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authorMathias K <kesmtp@freenet.de>2011-02-04 21:15:22 +0100
committerØyvind Harboe <oyvind.harboe@zylin.com>2011-02-08 09:39:59 +0100
commit706284a8fd562d5a6e2c1f123f8cb366b7e49e7d (patch)
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buf_set_buf around 30% speed increase
Also i have checked the input of this function and in many cases a simple byte copy is possible. I have added this check now and is it possible the buffer is copied byte by byte and not bit by bit. With byte boundary input the test looks like this: buf_set_buf 0x02000000 iteration test: runtime (seconds): old: 6.828559 new: 0.436191 diff: 6.392368 runtime (seconds): old: 6.853636 new: 0.430389 diff: 6.423247 runtime (seconds): old: 6.794985 new: 0.423065 diff: 6.371920 Without: buf_set_buf 0x02000000 iteration test: runtime (seconds): old: 6.370869 new: 5.552624 diff: 0.818245 runtime (seconds): old: 6.420730 new: 5.665887 diff: 0.754843 runtime (seconds): old: 6.583306 new: 5.599021 diff: 0.984285 Regards, Mathias
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