With cmpthese -3 (or any other reasonable negative value), it still seems to run "forever"... (not sure why), but when I say cmpthese 100, I get the following: 

          Rate Threads   Forks
Threads 10.3/s      --    -23%
Forks   13.4/s     30%      --

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In reply to Re^10: while reading a file, transfer the same data to two different processes. by almut
in thread while reading a file, transfer the same data to two different processes. by avanta

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