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fixed "gpu illegal memory access" bug for A100. #9

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fixed "gpu illegal memory access" bug for A100. #9

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4 changes: 2 additions & 2 deletions GpuKang.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -19,8 +19,8 @@ extern bool gGenMode; //tames generation mode
int RCGpuKang::CalcKangCnt()
{
Kparams.BlockCnt = mpCnt;
Kparams.BlockSize = IsOldGpu ? 512 : 256;
Kparams.GroupCnt = IsOldGpu ? 64 : 24;
Kparams.BlockSize = IsOldGpu ? BLOCK_SIZE_OLD_GPU : BLOCK_SIZE_NEW_GPU;
Kparams.GroupCnt = IsOldGpu ? PNT_GROUP_OLD_GPU : PNT_GROUP_NEW_GPU;
return Kparams.BlockSize* Kparams.GroupCnt* Kparams.BlockCnt;
}

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2 changes: 1 addition & 1 deletion defs.h
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Expand Up @@ -36,7 +36,7 @@ typedef char i8;

//use different options for cards older than RTX 40xx
#ifdef __CUDA_ARCH__
#if __CUDA_ARCH__ < 890
#if __CUDA_ARCH__ < 890 && __CUDA_ARCH__ != 800
#define OLD_GPU
#endif
#ifdef OLD_GPU
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