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authorÆvar Arnfjörð Bjarmason <>2017-05-25 20:05:23 (GMT)
committerJunio C Hamano <>2017-05-26 03:59:05 (GMT)
commit9ec726a4120bb219530faf988198a704ec7dd1f1 (patch)
tree5af66775f7ba959eb926fc38a00a0e8021e36b3e /t/
parent6d423dd542f062a9696c210c33cf33e0657ab923 (diff)
grep: skip pthreads overhead when using one thread
Skip the administrative overhead of using pthreads when only using one thread. Instead take the non-threaded path which would be taken under NO_PTHREADS. The threading support was initially added in commit 5b594f457a ("Threaded grep", 2010-01-25) with a hardcoded compile-time number of 8 threads. Later the number of threads was made configurable in commit 89f09dd34e ("grep: add --threads=<num> option and grep.threads configuration", 2015-12-15). That change did not add any special handling for --threads=1. Now we take a slightly faster path by skipping thread handling entirely when 1 thread is requested. Signed-off-by: Ævar Arnfjörð Bjarmason <> Signed-off-by: Junio C Hamano <>
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