| commit | a75f5f0f0a3676216e0015b3040c785dbfe1e0da | [log] [tgz] |
|---|---|---|
| author | Matt Turner <mattst88@gmail.com> | Wed Apr 28 22:49:36 2010 -0400 |
| committer | Matt Turner <mattst88@monolith.freenet-rz.de> | Wed May 26 00:40:28 2010 +0200 |
| tree | c6cd7600562dd0d374e4d41a1d558ce96ef6c7e2 | |
| parent | 1cb3d8e2c8d30d2cbfe42b696d501d0a016edec1 [diff] |
alpha: simplify and optimize sched_find_first_bit Search only the first 100 bits instead of 140, saving a couple instructions. The resulting code is about 1/3 faster (40K ticks/1000 iterations down to 30K ticks/1000 iterations). Cc: Peter Zijlstra <peterz@infradead.org> Cc: Ingo Molnar <mingo@elte.hu> Cc: Ivan Kokshaysky <ink@jurassic.park.msu.ru> Cc: linux-alpha@vger.kernel.org Acked-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Matt Turner <mattst88@gmail.com>