Pipe timings

[Hal Murray]

Pipes are basically not good enough since there can be only one reader.
(assuming we want ntpd to get all the data)


10000 samples, sender waits 1 ms between sends.

data is:
struct data {
  struct timespec time;
  int foo[12];
};


2 GHz Pentium:
# max = 150899us, average = 12821us
# 107 over 25us, 6 over 50us

1.6 GHz Atom:
# max = 128649us, average = 36328us
# 10000 over 25us, 198 over 50us

Pi-3
# max = 142761us, average = 21438us
# 278 over 25us, 30 over 50us


-- 
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