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Fix 4 * 0 being 0 that would break dynamic intensity mode.

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This commit is contained in:
Con Kolivas 2012-10-12 11:35:20 +11:00
parent d15c70f8a8
commit 55396f534e
1 changed files with 1 additions and 1 deletions
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driver-opencl.c
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@ -1587,7 +1587,7 @@ static int64_t opencl_scanhash(struct thr_info *thr, struct work *work,
gpu_us = us_tdiff(&tv_gpuend, &gpu->tv_gpustart) / gpu->intervals;
/* Very rarely we may get an overflow so put an upper
* limit on the detected time */
if (gpu_us > gpu->gpu_us_average * 4)
if (unlikely(gpu->gpu_us_average > 0 && gpu_us > gpu->gpu_us_average * 4))
gpu_us = gpu->gpu_us_average * 4;
gpu->gpu_us_average = (gpu->gpu_us_average + gpu_us * 0.63) / 1.63;