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<h3>
Eric S. Raymond pushed to branch master
at <a href="https://gitlab.com/NTPsec/ntpsec">NTPsec / ntpsec</a>
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<h4>
Commits:
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<strong><a href="https://gitlab.com/NTPsec/ntpsec/commit/b14ba537ba719c40389801197b2e4c01aaaf2334">b14ba537</a></strong>
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<span>by Eric S. Raymond</span>
<i>at 2016-09-28T07:52:06-04:00</i>
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<pre class="commit-message" style="margin: 0; white-space: pre-wrap">Adapt precision/resolution measurement in ntpfrob to clock_gettime().
As a bonus, use CLOCK_MONOTONIC so the measurement is not perturbed by
NTP adjustments.
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<h4>1 changed file:</h4>
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ntpfrob/precision.c
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<h4>Changes:</h4>
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<a href="https://gitlab.com/NTPsec/ntpsec/commit/b14ba537ba719c40389801197b2e4c01aaaf2334#diff-0"><strong>ntpfrob/precision.c</strong></a>
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<td class="line_content match " style="background: #fafafa; color: rgba(0,0,0,0.3); padding-left: 0.5em; padding-right: 0.5em" bgcolor="#fafafa">@@ -52,41 +52,41 @@ void precision(const iomode mode)</td>
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<pre style="margin: 0"> <span id="LC52" class="line"><span class="cm" style="color: #998; font-style: italic"> * MINLOOPS > 1 ensures that even if there is a STEP between the initial call</span></span>
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<pre style="margin: 0"> <span id="LC53" class="line"><span class="cm" style="color: #998; font-style: italic"> * and the first loop, it doesn't stop too early.</span></span>
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<pre style="margin: 0"> <span id="LC54" class="line"><span class="cm" style="color: #998; font-style: italic"> * Making it even greater allows MINSTEP to be reduced, assuming that the</span></span>
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<pre style="margin: 0"> <span id="LC55" class="line"><span class="cm" style="color: #998; font-style: italic"> * chance of MINSTEP-1 other processes getting in and calling <span class="idiff left right">gettimeofday</span></span></span>
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<pre style="margin: 0"> <span id="LC55" class="line"><span class="cm" style="color: #998; font-style: italic"> * chance of MINSTEP-1 other processes getting in and calling <span class="idiff left right">clock_gettime()</span></span></span>
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<pre style="margin: 0"> <span id="LC56" class="line"><span class="cm" style="color: #998; font-style: italic"> * between this processes's calls.</span></span>
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<pre style="margin: 0"> <span id="LC57" class="line"><span class="cm" style="color: #998; font-style: italic"> * Reducing MINSTEP may be necessary as this sets an upper bound for the time</span></span>
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<pre style="margin: 0"> <span id="LC58" class="line"><span class="cm" style="color: #998; font-style: italic"> * to actually call <span class="idiff left right">gettimeofday</span>.</span></span>
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<pre style="margin: 0"> <span id="LC58" class="line"><span class="cm" style="color: #998; font-style: italic"> * to actually call <span class="idiff left right">clock_gettime()</span>.</span></span>
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<pre style="margin: 0"> <span id="LC59" class="line"><span class="cm" style="color: #998; font-style: italic"> */</span></span>
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<pre style="margin: 0"> <span id="LC60" class="line"></span>
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<pre style="margin: 0"> <span id="LC61" class="line"><span class="cp" style="color: #999; font-weight: bold">#define D<span class="idiff left right">USECS 1000000</span></span></span>
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<pre style="margin: 0"> <span id="LC61" class="line"><span class="cp" style="color: #999; font-weight: bold">#define D<span class="idiff left right">NSECS 1000000000L</span></span></span>
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<pre style="margin: 0"> <span id="LC62" class="line"><span class="cp" style="color: #999; font-weight: bold">#define HUSECS (1024 * 1024)</span></span>
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<pre style="margin: 0"> <span id="LC63" class="line"><span class="cp" style="color: #999; font-weight: bold">#define MINSTEP 5 </span><span class="cm" style="color: #998; font-style: italic">/* some systems increment uS on each call */</span></span>
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<pre style="margin: 0"> <span id="LC63" class="line"><span class="cp" style="color: #999; font-weight: bold">#define MINSTEP 5<span class="idiff left right">000</span> </span><span class="cm" style="color: #998; font-style: italic">/* some systems increment uS on each call */</span></span>
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<pre style="margin: 0"> <span id="LC64" class="line"><span class="cm" style="color: #998; font-style: italic">/* Don't use "1" as some *other* process may read too*/</span></span>
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<pre style="margin: 0"> <span id="LC65" class="line"><span class="cm" style="color: #998; font-style: italic">/*We assume no system actually *ANSWERS* in this time*/</span></span>
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<pre style="margin: 0"> <span id="LC66" class="line"><span class="cp" style="color: #999; font-weight: bold">#define MAXSTEP 20000<span class="idiff left"> </span></span><span class="cm" style="color: #998; font-style: italic"><span class="idiff right">/* maximum clock increment (u</span>s) */</span></span>
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<pre style="margin: 0"> <span id="LC66" class="line"><span class="cp" style="color: #999; font-weight: bold">#define MAXSTEP 20000<span class="idiff left">000 </span></span><span class="cm" style="color: #998; font-style: italic"><span class="idiff right">/* maximum clock increment (n</span>s) */</span></span>
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<pre style="margin: 0"> <span id="LC67" class="line"><span class="cp" style="color: #999; font-weight: bold">#define MINLOOPS 5 </span><span class="cm" style="color: #998; font-style: italic">/* minimum number of step samples */</span></span>
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<pre style="margin: 0"> <span id="LC68" class="line"><span class="cp" style="color: #999; font-weight: bold">#define MAXLOOPS HUSECS </span><span class="cm" style="color: #998; font-style: italic">/* Assume precision < .1s ! */</span></span>
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<pre style="margin: 0"> <span id="LC70" class="line"><span class="kt" style="color: #458; font-weight: bold">int</span></span>
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<pre style="margin: 0"> <span id="LC71" class="line"><span class="nf" style="color: #900; font-weight: bold">default_get_resolution</span><span class="p">(</span><span class="kt" style="color: #458; font-weight: bold">void</span><span class="p">)</span></span>
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<pre style="margin: 0"> <span id="LC72" class="line"><span class="p">{</span></span>
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<pre style="margin: 0"> <span id="LC73" class="line"> <span class="k" style="font-weight: bold">struct</span> <span class="n" style="color: #333">timeval</span> <span class="n" style="color: #333">tp</span><span class="p">;</span></span>
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<pre style="margin: 0"> <span id="LC74" class="line"> <span class="k" style="font-weight: bold">struct</span> <span class="n" style="color: #333">timezone</span> <span class="n" style="color: #333">tzp</span><span class="p">;</span></span>
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<pre style="margin: 0"> <span id="LC73" class="line"> <span class="k" style="font-weight: bold">struct</span> <span class="n" style="color: #333">timespec</span> <span class="n" style="color: #333">tp</span><span class="p">;</span></span>
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<pre style="margin: 0"> <span id="LC74" class="line"> <span class="kt" style="color: #458; font-weight: bold">long</span> <span class="n" style="color: #333">last</span><span class="p">;</span></span>
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<pre style="margin: 0"> <span id="LC75" class="line"> <span class="kt" style="color: #458; font-weight: bold">int</span> <span class="n" style="color: #333">i</span><span class="p">;</span></span>
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<pre style="margin: 0"> <span id="LC76" class="line"> <span class="kt" style="color: #458; font-weight: bold">long</span> <span class="n" style="color: #333">diff</span><span class="p">;</span></span>
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<pre style="margin: 0"> <span id="LC77" class="line"> <span class="kt" style="color: #458; font-weight: bold">long</span> <span class="n" style="color: #333">val</span><span class="p">;</span></span>
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<pre style="margin: 0"> <span id="LC78" class="line"> <span class="kt" style="color: #458; font-weight: bold">int</span> <span class="n" style="color: #333">minsteps</span> <span class="o" style="font-weight: bold">=</span> <span class="n" style="color: #333">MINLOOPS</span><span class="p">;</span> <span class="cm" style="color: #998; font-style: italic">/* need at least this many steps */</span></span>
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<pre style="margin: 0"> <span id="LC79" class="line"></span>
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<pre style="margin: 0"> <span id="LC81" class="line"> <span class="n" style="color: #333"><span class="idiff left">gettimeofday</span></span><span class="p"><span class="idiff">(</span></span><span class="o" style="font-weight: bold"><span class="idiff">&</span></span><span class="n" style="color: #333"><span class="idiff">tp</span></span><span class="p"><span class="idiff">,</span></span><span class="idiff"> </span><span class="o" style="font-weight: bold"><span class="idiff">&</span></span><span class="n" style="color: #333"><span class="idiff right">tz</span>p</span><span class="p">);</span></span>
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<td class="diff-line-num old old_line" data-linenumber="82" style="background: #f9d7dc; border-right-color: #fac5cd; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#f9d7dc">
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<pre style="margin: 0"> <span id="LC82" class="line"> <span class="n" style="color: #333">last</span> <span class="o" style="font-weight: bold">=</span> <span class="n" style="color: #333">tp</span><span class="p">.</span><span class="n" style="color: #333">tv_<span class="idiff left right">u</span>sec</span><span class="p">;</span></span>
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<pre style="margin: 0"> <span id="LC80" class="line"> <span class="n" style="color: #333"><span class="idiff left">clock_gettime</span></span><span class="p"><span class="idiff">(</span></span><span class="n" style="color: #333"><span class="idiff">CLOCK_MONOTONIC</span></span><span class="p"><span class="idiff">,</span></span><span class="idiff"> </span><span class="o" style="font-weight: bold"><span class="idiff">&</span></span><span class="n" style="color: #333"><span class="idiff right">t</span>p</span><span class="p">);</span></span>
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<pre style="margin: 0"> <span id="LC81" class="line"> <span class="n" style="color: #333">last</span> <span class="o" style="font-weight: bold">=</span> <span class="n" style="color: #333">tp</span><span class="p">.</span><span class="n" style="color: #333">tv_<span class="idiff left right">n</span>sec</span><span class="p">;</span></span>
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<pre style="margin: 0"> <span id="LC82" class="line"> <span class="k" style="font-weight: bold">for</span> <span class="p">(</span><span class="n" style="color: #333">i</span> <span class="o" style="font-weight: bold">=</span> <span class="o" style="font-weight: bold">-</span> <span class="o" style="font-weight: bold">--</span><span class="n" style="color: #333">minsteps</span><span class="p">;</span> <span class="n" style="color: #333">i</span><span class="o" style="font-weight: bold"><</span> <span class="n" style="color: #333">MAXLOOPS</span><span class="p">;</span> <span class="n" style="color: #333">i</span><span class="o" style="font-weight: bold">++</span><span class="p">)</span> <span class="p">{</span></span>
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<pre style="margin: 0"> <span id="LC84" class="line"> <span class="n" style="color: #333"><span class="idiff left">gettimeofday</span></span><span class="p"><span class="idiff">(</span></span><span class="o" style="font-weight: bold"><span class="idiff">&</span></span><span class="n" style="color: #333"><span class="idiff">tp</span></span><span class="p"><span class="idiff">,</span></span><span class="idiff"> </span><span class="o" style="font-weight: bold"><span class="idiff">&</span></span><span class="n" style="color: #333"><span class="idiff right">tz</span>p</span><span class="p">);</span></span>
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<pre style="margin: 0"> <span id="LC85" class="line"> <span class="n" style="color: #333">diff</span> <span class="o" style="font-weight: bold">=</span> <span class="n" style="color: #333">tp</span><span class="p">.</span><span class="n" style="color: #333">tv_<span class="idiff left right">u</span>sec</span> <span class="o" style="font-weight: bold">-</span> <span class="n" style="color: #333">last</span><span class="p">;</span></span>
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86
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<pre style="margin: 0"> <span id="LC86" class="line"> <span class="k" style="font-weight: bold">if</span> <span class="p">(</span><span class="n" style="color: #333">diff</span> <span class="o" style="font-weight: bold"><</span> <span class="mi" style="color: #099">0</span><span class="p">)</span> <span class="n" style="color: #333">diff</span> <span class="o" style="font-weight: bold">+=</span> <span class="n" style="color: #333">D<span class="idiff left right">U</span>SECS</span><span class="p">;</span></span>
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<td class="diff-line-num new new_line" data-linenumber="83" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">
83
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<pre style="margin: 0"> <span id="LC83" class="line"> <span class="n" style="color: #333"><span class="idiff left">clock_gettime</span></span><span class="p"><span class="idiff">(</span></span><span class="n" style="color: #333"><span class="idiff">CLOCK_MONOTONIC</span></span><span class="p"><span class="idiff">,</span></span><span class="idiff"> </span><span class="o" style="font-weight: bold"><span class="idiff">&</span></span><span class="n" style="color: #333"><span class="idiff right">t</span>p</span><span class="p">);</span></span>
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<td class="diff-line-num new new_line" data-linenumber="84" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">
84
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<pre style="margin: 0"> <span id="LC84" class="line"> <span class="n" style="color: #333">diff</span> <span class="o" style="font-weight: bold">=</span> <span class="n" style="color: #333">tp</span><span class="p">.</span><span class="n" style="color: #333">tv_<span class="idiff left right">n</span>sec</span> <span class="o" style="font-weight: bold">-</span> <span class="n" style="color: #333">last</span><span class="p">;</span></span>
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<td class="diff-line-num new new_line" data-linenumber="85" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">
85
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<pre style="margin: 0"> <span id="LC85" class="line"> <span class="k" style="font-weight: bold">if</span> <span class="p">(</span><span class="n" style="color: #333">diff</span> <span class="o" style="font-weight: bold"><</span> <span class="mi" style="color: #099">0</span><span class="p">)</span> <span class="n" style="color: #333">diff</span> <span class="o" style="font-weight: bold">+=</span> <span class="n" style="color: #333">D<span class="idiff left right">N</span>SECS</span><span class="p">;</span></span>
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87
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<td class="diff-line-num new_line" data-linenumber="86" style="background: #fafafa; border-right-color: #f0f0f0; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#fafafa">
86
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<pre style="margin: 0"> <span id="LC86" class="line"> <span class="k" style="font-weight: bold">if</span> <span class="p">(</span><span class="n" style="color: #333">diff</span> <span class="o" style="font-weight: bold">></span> <span class="n" style="color: #333">MINSTEP</span><span class="p">)</span> <span class="k" style="font-weight: bold">if</span> <span class="p">(</span><span class="n" style="color: #333">minsteps</span><span class="o" style="font-weight: bold">--</span> <span class="o" style="font-weight: bold"><=</span> <span class="mi" style="color: #099">0</span><span class="p">)</span> <span class="k" style="font-weight: bold">break</span><span class="p">;</span></span>
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<pre style="margin: 0"> <span id="LC88" class="line"> <span class="n" style="color: #333">last</span> <span class="o" style="font-weight: bold">=</span> <span class="n" style="color: #333">tp</span><span class="p">.</span><span class="n" style="color: #333">tv_<span class="idiff left right">u</span>sec</span><span class="p">;</span></span>
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<td class="diff-line-num new new_line" data-linenumber="87" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">
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<pre style="margin: 0"> <span id="LC87" class="line"> <span class="n" style="color: #333">last</span> <span class="o" style="font-weight: bold">=</span> <span class="n" style="color: #333">tp</span><span class="p">.</span><span class="n" style="color: #333">tv_<span class="idiff left right">n</span>sec</span><span class="p">;</span></span>
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<pre style="margin: 0"> <span id="LC88" class="line"> <span class="p">}</span></span>
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<td class="diff-line-num new new_line" data-linenumber="89" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">
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<pre style="margin: 0"> <span id="LC89" class="line"> <span class="n" style="color: #333">diff</span> <span class="o" style="font-weight: bold">/=</span> <span class="mi" style="color: #099">1000</span><span class="p">;</span> <span class="cm" style="color: #998; font-style: italic">/* step down to milliseconds */</span></span>
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<pre style="margin: 0"> <span id="LC90" class="line"></span>
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91
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<pre style="margin: 0"> <span id="LC91" class="line"> <span class="n" style="color: #333">fprintf</span><span class="p">(</span><span class="n" style="color: #333">stderr</span><span class="p">,</span> <span class="s" style="color: #d14">"resolution = %ld usec after %d loop%s</span><span class="se" style="color: #d14">\n</span><span class="s" style="color: #d14">"</span><span class="p">,</span></span>
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92
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<pre style="margin: 0"> <span id="LC92" class="line"> <span class="n" style="color: #333">diff</span><span class="p">,</span> <span class="n" style="color: #333">i</span><span class="p">,</span> <span class="p">(</span><span class="n" style="color: #333">i</span><span class="o" style="font-weight: bold">==</span><span class="mi" style="color: #099">1</span><span class="p">)</span> <span class="o" style="font-weight: bold">?</span> <span class="s" style="color: #d14">""</span> <span class="o" style="font-weight: bold">:</span> <span class="s" style="color: #d14">"s"</span><span class="p">);</span></span>
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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="113" style="background: #fafafa; border-right-color: #f0f0f0; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#fafafa">...</td>
<td class="diff-line-num unfold js-unfold new_line" data-linenumber="113" style="background: #fafafa; border-right-color: #f0f0f0; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#fafafa">...</td>
<td class="line_content match " style="background: #fafafa; color: rgba(0,0,0,0.3); padding-left: 0.5em; padding-right: 0.5em" bgcolor="#fafafa">@@ -113,8 +113,8 @@ default_get_resolution(void)</td>
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113
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<pre style="margin: 0"> <span id="LC113" class="line"></span>
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114
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114
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<pre style="margin: 0"> <span id="LC114" class="line"><span class="cm" style="color: #998; font-style: italic">/*</span></span>
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115
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115
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<pre style="margin: 0"> <span id="LC115" class="line"><span class="cm" style="color: #998; font-style: italic"> * This routine calculates the differences between successive calls to</span></span>
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<pre style="margin: 0"> <span id="LC116" class="line"><span class="cm" style="color: #998; font-style: italic"> * <span class="idiff left right">gettimeofday(). If a difference is less than zero, the u</span>s field</span></span>
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<pre style="margin: 0"> <span id="LC117" class="line"><span class="cm" style="color: #998; font-style: italic"> * has rolled over to the next second, so we add a second in <span class="idiff left right">u</span>s. If</span></span>
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116
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<pre style="margin: 0"> <span id="LC116" class="line"><span class="cm" style="color: #998; font-style: italic"> * <span class="idiff left right">clock_gettime(MONOTONIC). If a difference is less than zero, the n</span>s field</span></span>
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<pre style="margin: 0"> <span id="LC117" class="line"><span class="cm" style="color: #998; font-style: italic"> * has rolled over to the next second, so we add a second in <span class="idiff left right">n</span>s. If</span></span>
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118
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118
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<pre style="margin: 0"> <span id="LC118" class="line"><span class="cm" style="color: #998; font-style: italic"> * the difference is greater than zero and less than MINSTEP, the</span></span>
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119
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<pre style="margin: 0"> <span id="LC119" class="line"><span class="cm" style="color: #998; font-style: italic"> * clock has been advanced by a small amount to avoid standing still.</span></span>
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<pre style="margin: 0"> <span id="LC120" class="line"><span class="cm" style="color: #998; font-style: italic"> * If the clock has advanced by a greater amount, then a timer interrupt</span></span>
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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="126" style="background: #fafafa; border-right-color: #f0f0f0; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#fafafa">...</td>
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<td class="line_content match " style="background: #fafafa; color: rgba(0,0,0,0.3); padding-left: 0.5em; padding-right: 0.5em" bgcolor="#fafafa">@@ -126,36 +126,36 @@ default_get_resolution(void)</td>
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<pre style="margin: 0"> <span id="LC126" class="line"><span class="kt" style="color: #458; font-weight: bold">int</span></span>
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<pre style="margin: 0"> <span id="LC127" class="line"><span class="nf" style="color: #900; font-weight: bold">default_get_precision</span><span class="p">(</span><span class="kt" style="color: #458; font-weight: bold">void</span><span class="p">)</span></span>
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<pre style="margin: 0"> <span id="LC128" class="line"><span class="p">{</span></span>
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129
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<pre style="margin: 0"> <span id="LC129" class="line"> <span class="k" style="font-weight: bold">struct</span> <span class="n" style="color: #333">timeval</span> <span class="n" style="color: #333">tp</span><span class="p">;</span></span>
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130
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<pre style="margin: 0"> <span id="LC130" class="line"> <span class="k" style="font-weight: bold">struct</span> <span class="n" style="color: #333">timezone</span> <span class="n" style="color: #333">tzp</span><span class="p">;</span></span>
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<pre style="margin: 0"> <span id="LC129" class="line"> <span class="k" style="font-weight: bold">struct</span> <span class="n" style="color: #333">timespec</span> <span class="n" style="color: #333">tp</span><span class="p">;</span></span>
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131
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130
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<pre style="margin: 0"> <span id="LC130" class="line"> <span class="kt" style="color: #458; font-weight: bold">long</span> <span class="n" style="color: #333">last</span><span class="p">;</span></span>
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132
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131
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<pre style="margin: 0"> <span id="LC131" class="line"> <span class="kt" style="color: #458; font-weight: bold">int</span> <span class="n" style="color: #333">i</span><span class="p">;</span></span>
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133
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132
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<pre style="margin: 0"> <span id="LC132" class="line"> <span class="kt" style="color: #458; font-weight: bold">long</span> <span class="n" style="color: #333">diff</span><span class="p">;</span></span>
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134
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<td class="diff-line-num new_line" data-linenumber="133" style="background: #fafafa; border-right-color: #f0f0f0; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#fafafa">
133
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<pre style="margin: 0"> <span id="LC133" class="line"> <span class="kt" style="color: #458; font-weight: bold">long</span> <span class="n" style="color: #333">val</span><span class="p">;</span></span>
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135
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<td class="diff-line-num new_line old" data-linenumber="134" style="background: #f9d7dc; border-right-color: #fac5cd; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#f9d7dc">
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<pre style="margin: 0"> <span id="LC135" class="line"> <span class="kt" style="color: #458; font-weight: bold">long</span> <span class="n" style="color: #333"><span class="idiff left right">u</span>sec</span><span class="p">;</span></span>
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134
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<pre style="margin: 0"> <span id="LC134" class="line"> <span class="kt" style="color: #458; font-weight: bold">long</span> <span class="n" style="color: #333"><span class="idiff left right">n</span>sec</span><span class="p">;</span></span>
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136
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135
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<pre style="margin: 0"> <span id="LC135" class="line"></span>
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137
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<pre style="margin: 0"> <span id="LC137" class="line"> <span class="n" style="color: #333"><span class="idiff left right">u</span>sec</span> <span class="o" style="font-weight: bold">=</span> <span class="mi" style="color: #099">0</span><span class="p">;</span></span>
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<td class="diff-line-num new new_line" data-linenumber="136" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">
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<pre style="margin: 0"> <span id="LC136" class="line"> <span class="n" style="color: #333"><span class="idiff left right">n</span>sec</span> <span class="o" style="font-weight: bold">=</span> <span class="mi" style="color: #099">0</span><span class="p">;</span></span>
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<td class="diff-line-num old_line" data-linenumber="138" style="background: #fafafa; border-right-color: #f0f0f0; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#fafafa">
138
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<td class="diff-line-num new_line" data-linenumber="137" style="background: #fafafa; border-right-color: #f0f0f0; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#fafafa">
137
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<pre style="margin: 0"> <span id="LC137" class="line"> <span class="n" style="color: #333">val</span> <span class="o" style="font-weight: bold">=</span> <span class="n" style="color: #333">MAXSTEP</span><span class="p">;</span></span>
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139
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<pre style="margin: 0"> <span id="LC139" class="line"> <span class="n" style="color: #333"><span class="idiff left">gettimeofday</span></span><span class="p"><span class="idiff">(</span></span><span class="o" style="font-weight: bold"><span class="idiff">&</span></span><span class="n" style="color: #333"><span class="idiff">tp</span></span><span class="p"><span class="idiff">,</span></span><span class="idiff"> </span><span class="o" style="font-weight: bold"><span class="idiff">&</span></span><span class="n" style="color: #333"><span class="idiff right">tz</span>p</span><span class="p">);</span></span>
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<td class="diff-line-num old old_line" data-linenumber="140" style="background: #f9d7dc; border-right-color: #fac5cd; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#f9d7dc">
140
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<td class="diff-line-num new_line old" data-linenumber="138" style="background: #f9d7dc; border-right-color: #fac5cd; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#f9d7dc">
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<pre style="margin: 0"> <span id="LC140" class="line"> <span class="n" style="color: #333">last</span> <span class="o" style="font-weight: bold">=</span> <span class="n" style="color: #333">tp</span><span class="p">.</span><span class="n" style="color: #333">tv_<span class="idiff left right">u</span>sec</span><span class="p">;</span></span>
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<td class="diff-line-num old old_line" data-linenumber="141" style="background: #f9d7dc; border-right-color: #fac5cd; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#f9d7dc">
141
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<td class="diff-line-num new_line old" data-linenumber="138" style="background: #f9d7dc; border-right-color: #fac5cd; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#f9d7dc">
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<pre style="margin: 0"> <span id="LC141" class="line"> <span class="k" style="font-weight: bold">for</span> <span class="p">(</span><span class="n" style="color: #333">i</span> <span class="o" style="font-weight: bold">=</span> <span class="mi" style="color: #099">0</span><span class="p">;</span> <span class="n" style="color: #333">i</span> <span class="o" style="font-weight: bold"><</span> <span class="n" style="color: #333">MINLOOPS</span> <span class="o" style="font-weight: bold">&&</span> <span class="n" style="color: #333"><span class="idiff left">usec</span></span><span class="idiff"> </span><span class="o" style="font-weight: bold"><span class="idiff"><</span></span><span class="idiff"> </span><span class="n" style="color: #333"><span class="idiff right">HUSECS</span></span><span class="p">;)</span> <span class="p">{</span></span>
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<td class="diff-line-num old old_line" data-linenumber="142" style="background: #f9d7dc; border-right-color: #fac5cd; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#f9d7dc">
142
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<td class="diff-line-num new_line old" data-linenumber="138" style="background: #f9d7dc; border-right-color: #fac5cd; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#f9d7dc">
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<pre style="margin: 0"> <span id="LC142" class="line"> <span class="idiff left"> </span><span class="n" style="color: #333"><span class="idiff">gettimeofday</span></span><span class="p"><span class="idiff">(</span></span><span class="o" style="font-weight: bold"><span class="idiff">&</span></span><span class="n" style="color: #333"><span class="idiff">tp</span></span><span class="p"><span class="idiff">,</span></span><span class="idiff"> </span><span class="o" style="font-weight: bold"><span class="idiff">&</span></span><span class="n" style="color: #333"><span class="idiff right">tz</span>p</span><span class="p">);</span></span>
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<td class="diff-line-num old old_line" data-linenumber="143" style="background: #f9d7dc; border-right-color: #fac5cd; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#f9d7dc">
143
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<td class="diff-line-num new_line old" data-linenumber="138" style="background: #f9d7dc; border-right-color: #fac5cd; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#f9d7dc">
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<pre style="margin: 0"> <span id="LC143" class="line"> <span class="n" style="color: #333">diff</span> <span class="o" style="font-weight: bold">=</span> <span class="n" style="color: #333">tp</span><span class="p">.</span><span class="n" style="color: #333">tv_<span class="idiff left right">u</span>sec</span> <span class="o" style="font-weight: bold">-</span> <span class="n" style="color: #333">last</span><span class="p">;</span></span>
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<td class="diff-line-num old old_line" data-linenumber="144" style="background: #f9d7dc; border-right-color: #fac5cd; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#f9d7dc">
144
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<td class="diff-line-num new_line old" data-linenumber="138" style="background: #f9d7dc; border-right-color: #fac5cd; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#f9d7dc">
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<pre style="margin: 0"> <span id="LC144" class="line"> <span class="n" style="color: #333">last</span> <span class="o" style="font-weight: bold">=</span> <span class="n" style="color: #333">tp</span><span class="p">.</span><span class="n" style="color: #333">tv_<span class="idiff left right">u</span>sec</span><span class="p">;</span></span>
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<td class="diff-line-num new old_line" data-linenumber="145" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">
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<td class="diff-line-num new new_line" data-linenumber="138" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">
138
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<pre style="margin: 0"> <span id="LC138" class="line"> <span class="n" style="color: #333"><span class="idiff left">clock_gettime</span></span><span class="p"><span class="idiff">(</span></span><span class="n" style="color: #333"><span class="idiff">CLOCK_MONOTONIC</span></span><span class="p"><span class="idiff">,</span></span><span class="idiff"> </span><span class="o" style="font-weight: bold"><span class="idiff">&</span></span><span class="n" style="color: #333"><span class="idiff right">t</span>p</span><span class="p">);</span></span>
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<td class="diff-line-num new old_line" data-linenumber="145" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">
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<td class="diff-line-num new new_line" data-linenumber="139" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">
139
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<pre style="margin: 0"> <span id="LC139" class="line"> <span class="n" style="color: #333">last</span> <span class="o" style="font-weight: bold">=</span> <span class="n" style="color: #333">tp</span><span class="p">.</span><span class="n" style="color: #333">tv_<span class="idiff left right">n</span>sec</span><span class="p">;</span></span>
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<td class="diff-line-num new old_line" data-linenumber="145" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">
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<td class="diff-line-num new new_line" data-linenumber="140" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">
140
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<pre style="margin: 0"> <span id="LC140" class="line"> <span class="k" style="font-weight: bold">for</span> <span class="p">(</span><span class="n" style="color: #333">i</span> <span class="o" style="font-weight: bold">=</span> <span class="mi" style="color: #099">0</span><span class="p">;</span> <span class="n" style="color: #333">i</span> <span class="o" style="font-weight: bold"><</span> <span class="n" style="color: #333">MINLOOPS</span> <span class="o" style="font-weight: bold">&&</span> <span class="n" style="color: #333"><span class="idiff left">nsec</span></span><span class="idiff"> </span><span class="o" style="font-weight: bold"><span class="idiff"><</span></span><span class="idiff"> </span><span class="n" style="color: #333"><span class="idiff">HUSECS</span></span><span class="idiff"> </span><span class="o" style="font-weight: bold"><span class="idiff">*</span></span><span class="idiff"> </span><span class="mi" style="color: #099"><span class="idiff right">1024</span></span><span class="p">;)</span> <span class="p">{</span></span>
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<td class="diff-line-num new new_line" data-linenumber="141" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">
141
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<pre style="margin: 0"> <span id="LC141" class="line"> <span class="idiff left"> </span><span class="n" style="color: #333"><span class="idiff">clock_gettime</span></span><span class="p"><span class="idiff">(</span></span><span class="n" style="color: #333"><span class="idiff">CLOCK_MONOTONIC</span></span><span class="p"><span class="idiff">,</span></span><span class="idiff"> </span><span class="o" style="font-weight: bold"><span class="idiff">&</span></span><span class="n" style="color: #333"><span class="idiff right">t</span>p</span><span class="p">);</span></span>
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<td class="diff-line-num new old_line" data-linenumber="145" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">
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<td class="diff-line-num new new_line" data-linenumber="142" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">
142
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<pre style="margin: 0"> <span id="LC142" class="line"> <span class="n" style="color: #333">diff</span> <span class="o" style="font-weight: bold">=</span> <span class="n" style="color: #333">tp</span><span class="p">.</span><span class="n" style="color: #333">tv_<span class="idiff left right">n</span>sec</span> <span class="o" style="font-weight: bold">-</span> <span class="n" style="color: #333">last</span><span class="p">;</span></span>
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<td class="diff-line-num new new_line" data-linenumber="143" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">
143
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<pre style="margin: 0"> <span id="LC143" class="line"> <span class="n" style="color: #333">last</span> <span class="o" style="font-weight: bold">=</span> <span class="n" style="color: #333">tp</span><span class="p">.</span><span class="n" style="color: #333">tv_<span class="idiff left right">n</span>sec</span><span class="p">;</span></span>
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<td class="diff-line-num old_line" data-linenumber="145" style="background: #fafafa; border-right-color: #f0f0f0; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#fafafa">
145
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<td class="diff-line-num new_line" data-linenumber="144" style="background: #fafafa; border-right-color: #f0f0f0; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#fafafa">
144
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<pre style="margin: 0"> <span id="LC144" class="line"> <span class="k" style="font-weight: bold">if</span> <span class="p">(</span><span class="n" style="color: #333">diff</span> <span class="o" style="font-weight: bold"><</span> <span class="mi" style="color: #099">0</span><span class="p">)</span></span>
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<td class="diff-line-num old old_line" data-linenumber="146" style="background: #f9d7dc; border-right-color: #fac5cd; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#f9d7dc">
146
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<td class="diff-line-num new_line old" data-linenumber="145" style="background: #f9d7dc; border-right-color: #fac5cd; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#f9d7dc">
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<pre style="margin: 0"> <span id="LC146" class="line"> <span class="n" style="color: #333">diff</span> <span class="o" style="font-weight: bold">+=</span> <span class="n" style="color: #333">D<span class="idiff left right">U</span>SECS</span><span class="p">;</span></span>
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<td class="diff-line-num old old_line" data-linenumber="147" style="background: #f9d7dc; border-right-color: #fac5cd; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#f9d7dc">
147
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<td class="diff-line-num new_line old" data-linenumber="145" style="background: #f9d7dc; border-right-color: #fac5cd; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#f9d7dc">
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<pre style="margin: 0"> <span id="LC147" class="line"> <span class="n" style="color: #333"><span class="idiff left right">u</span>sec</span> <span class="o" style="font-weight: bold">+=</span> <span class="n" style="color: #333">diff</span><span class="p">;</span></span>
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<td class="diff-line-num new new_line" data-linenumber="145" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">
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<pre style="margin: 0"> <span id="LC145" class="line"> <span class="n" style="color: #333">diff</span> <span class="o" style="font-weight: bold">+=</span> <span class="n" style="color: #333">D<span class="idiff left right">N</span>SECS</span><span class="p">;</span></span>
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<td class="diff-line-num new old_line" data-linenumber="148" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">
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<td class="diff-line-num new new_line" data-linenumber="146" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">
146
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<pre style="margin: 0"> <span id="LC146" class="line"> <span class="n" style="color: #333"><span class="idiff left right">n</span>sec</span> <span class="o" style="font-weight: bold">+=</span> <span class="n" style="color: #333">diff</span><span class="p">;</span></span>
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<td class="diff-line-num old_line" data-linenumber="148" style="background: #fafafa; border-right-color: #f0f0f0; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#fafafa">
148
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<td class="diff-line-num new_line" data-linenumber="147" style="background: #fafafa; border-right-color: #f0f0f0; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#fafafa">
147
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<pre style="margin: 0"> <span id="LC147" class="line"> <span class="k" style="font-weight: bold">if</span> <span class="p">(</span><span class="n" style="color: #333">diff</span> <span class="o" style="font-weight: bold">></span> <span class="n" style="color: #333">MINSTEP</span><span class="p">)</span> <span class="p">{</span></span>
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<td class="diff-line-num old_line" data-linenumber="149" style="background: #fafafa; border-right-color: #f0f0f0; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#fafafa">
149
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<td class="diff-line-num new_line" data-linenumber="148" style="background: #fafafa; border-right-color: #f0f0f0; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#fafafa">
148
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<pre style="margin: 0"> <span id="LC148" class="line"> <span class="n" style="color: #333">i</span><span class="o" style="font-weight: bold">++</span><span class="p">;</span></span>
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<td class="diff-line-num old_line" data-linenumber="150" style="background: #fafafa; border-right-color: #f0f0f0; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#fafafa">
150
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<td class="diff-line-num new_line" data-linenumber="149" style="background: #fafafa; border-right-color: #f0f0f0; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#fafafa">
149
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<pre style="margin: 0"> <span id="LC149" class="line"> <span class="k" style="font-weight: bold">if</span> <span class="p">(</span><span class="n" style="color: #333">diff</span> <span class="o" style="font-weight: bold"><</span> <span class="n" style="color: #333">val</span><span class="p">)</span></span>
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<td class="diff-line-num old_line" data-linenumber="151" style="background: #fafafa; border-right-color: #f0f0f0; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#fafafa">
151
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<td class="diff-line-num new_line" data-linenumber="150" style="background: #fafafa; border-right-color: #f0f0f0; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#fafafa">
150
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<pre style="margin: 0"> <span id="LC150" class="line"> <span class="n" style="color: #333">val</span> <span class="o" style="font-weight: bold">=</span> <span class="n" style="color: #333">diff</span><span class="p">;</span></span>
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<td class="diff-line-num old_line" data-linenumber="152" style="background: #fafafa; border-right-color: #f0f0f0; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#fafafa">
152
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<td class="diff-line-num new_line" data-linenumber="151" style="background: #fafafa; border-right-color: #f0f0f0; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#fafafa">
151
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<pre style="margin: 0"> <span id="LC151" class="line"> <span class="p">}</span></span>
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<td class="diff-line-num old_line" data-linenumber="153" style="background: #fafafa; border-right-color: #f0f0f0; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#fafafa">
153
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<td class="diff-line-num new_line" data-linenumber="152" style="background: #fafafa; border-right-color: #f0f0f0; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#fafafa">
152
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<pre style="margin: 0"> <span id="LC152" class="line"> <span class="p">}</span></span>
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<td class="diff-line-num new old_line" data-linenumber="154" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">
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<td class="diff-line-num new new_line" data-linenumber="153" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">
153
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<pre style="margin: 0"> <span id="LC153" class="line"> <span class="n" style="color: #333">val</span> <span class="o" style="font-weight: bold">/=</span> <span class="mi" style="color: #099">1000</span><span class="p">;</span> <span class="cm" style="color: #998; font-style: italic">/* step down to milliseconds */</span></span>
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<td class="diff-line-num old_line" data-linenumber="154" style="background: #fafafa; border-right-color: #f0f0f0; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#fafafa">
154
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<td class="diff-line-num new_line" data-linenumber="154" style="background: #fafafa; border-right-color: #f0f0f0; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#fafafa">
154
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<pre style="margin: 0"> <span id="LC154" class="line"> <span class="n" style="color: #333">fprintf</span><span class="p">(</span><span class="n" style="color: #333">stderr</span><span class="p">,</span> <span class="s" style="color: #d14">"precision = %ld usec after %d loop%s</span><span class="se" style="color: #d14">\n</span><span class="s" style="color: #d14">"</span><span class="p">,</span></span>
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<td class="diff-line-num old_line" data-linenumber="155" style="background: #fafafa; border-right-color: #f0f0f0; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#fafafa">
155
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<td class="diff-line-num new_line" data-linenumber="155" style="background: #fafafa; border-right-color: #f0f0f0; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#fafafa">
155
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<pre style="margin: 0"> <span id="LC155" class="line"> <span class="n" style="color: #333">val</span><span class="p">,</span> <span class="n" style="color: #333">i</span><span class="p">,</span> <span class="p">(</span><span class="n" style="color: #333">i</span> <span class="o" style="font-weight: bold">==</span> <span class="mi" style="color: #099">1</span><span class="p">)</span> <span class="o" style="font-weight: bold">?</span> <span class="s" style="color: #d14">""</span> <span class="o" style="font-weight: bold">:</span> <span class="s" style="color: #d14">"s"</span><span class="p">);</span></span>
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<td class="diff-line-num old old_line" data-linenumber="156" style="background: #f9d7dc; border-right-color: #fac5cd; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#f9d7dc">
156
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<td class="diff-line-num new_line old" data-linenumber="156" style="background: #f9d7dc; border-right-color: #fac5cd; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#f9d7dc">
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<pre style="margin: 0"> <span id="LC156" class="line"> <span class="k" style="font-weight: bold">if</span> <span class="p">(</span><span class="n" style="color: #333"><span class="idiff left">usec</span></span><span class="idiff"> </span><span class="o" style="font-weight: bold"><span class="idiff">>=</span></span><span class="idiff"> </span><span class="n" style="color: #333"><span class="idiff right">HUSECS</span></span><span class="p">)</span> <span class="p">{</span></span>
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<td class="diff-line-num old old_line" data-linenumber="157" style="background: #f9d7dc; border-right-color: #fac5cd; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#f9d7dc">
157
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<td class="diff-line-num new_line old" data-linenumber="156" style="background: #f9d7dc; border-right-color: #fac5cd; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#f9d7dc">
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<pre style="margin: 0"> <span id="LC157" class="line"> <span class="n" style="color: #333">fprintf</span><span class="p">(</span><span class="n" style="color: #333">stderr</span><span class="p">,</span> <span class="s" style="color: #d14">" (Boy this machine is fast<span class="idiff left right"> ! u</span>sec was %ld)</span><span class="se" style="color: #d14">\n</span><span class="s" style="color: #d14">"</span><span class="p">,</span></span>
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<td class="diff-line-num old old_line" data-linenumber="158" style="background: #f9d7dc; border-right-color: #fac5cd; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#f9d7dc">
158
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<td class="diff-line-num new_line old" data-linenumber="156" style="background: #f9d7dc; border-right-color: #fac5cd; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#f9d7dc">
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<pre style="margin: 0"> <span id="LC158" class="line"> <span class="n" style="color: #333"><span class="idiff left right">u</span>sec</span><span class="p">);</span></span>
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<td class="diff-line-num new old_line" data-linenumber="159" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">
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<td class="diff-line-num new new_line" data-linenumber="156" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">
156
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<pre style="margin: 0"> <span id="LC156" class="line"> <span class="k" style="font-weight: bold">if</span> <span class="p">(</span><span class="n" style="color: #333"><span class="idiff left">nsec</span></span><span class="idiff"> </span><span class="o" style="font-weight: bold"><span class="idiff">>=</span></span><span class="idiff"> </span><span class="n" style="color: #333"><span class="idiff">HUSECS</span></span><span class="idiff"> </span><span class="o" style="font-weight: bold"><span class="idiff">*</span></span><span class="idiff"> </span><span class="mi" style="color: #099"><span class="idiff right">1024</span></span><span class="p">)</span> <span class="p">{</span></span>
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<td class="diff-line-num new old_line" data-linenumber="159" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">
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<td class="diff-line-num new new_line" data-linenumber="157" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">
157
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<pre style="margin: 0"> <span id="LC157" class="line"> <span class="n" style="color: #333">fprintf</span><span class="p">(</span><span class="n" style="color: #333">stderr</span><span class="p">,</span> <span class="s" style="color: #d14">" (Boy this machine is fast<span class="idiff left right">! n</span>sec was %ld)</span><span class="se" style="color: #d14">\n</span><span class="s" style="color: #d14">"</span><span class="p">,</span></span>
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<td class="diff-line-num new old_line" data-linenumber="159" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">
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<td class="diff-line-num new new_line" data-linenumber="158" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">
158
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<pre style="margin: 0"> <span id="LC158" class="line"> <span class="n" style="color: #333"><span class="idiff left right">n</span>sec</span><span class="p">);</span></span>
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<td class="diff-line-num old_line" data-linenumber="159" style="background: #fafafa; border-right-color: #f0f0f0; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#fafafa">
159
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<td class="diff-line-num new_line" data-linenumber="159" style="background: #fafafa; border-right-color: #f0f0f0; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#fafafa">
159
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<pre style="margin: 0"> <span id="LC159" class="line"> <span class="n" style="color: #333">val</span> <span class="o" style="font-weight: bold">=</span> <span class="n" style="color: #333">MINSTEP</span><span class="p">;</span> <span class="cm" style="color: #998; font-style: italic">/* val <= MINSTEP; fast machine */</span></span>
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<td class="diff-line-num old_line" data-linenumber="160" style="background: #fafafa; border-right-color: #f0f0f0; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#fafafa">
160
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<td class="diff-line-num new_line" data-linenumber="160" style="background: #fafafa; border-right-color: #f0f0f0; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#fafafa">
160
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<pre style="margin: 0"> <span id="LC160" class="line"> <span class="p">}</span></span>
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<td class="diff-line-num old_line" data-linenumber="161" style="background: #fafafa; border-right-color: #f0f0f0; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#fafafa">
161
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<td class="diff-line-num new_line" data-linenumber="161" style="background: #fafafa; border-right-color: #f0f0f0; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#fafafa">
161
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<pre style="margin: 0"> <span id="LC161" class="line"> <span class="n" style="color: #333">diff</span> <span class="o" style="font-weight: bold">=</span> <span class="n" style="color: #333">HUSECS</span><span class="p">;</span></span>
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