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equihash: error fix for the TITAN V

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This commit is contained in:
Tanguy Pruvot 2018-03-15 21:22:10 +01:00
parent d8a64d4bd2
commit fd406f02c2
1 changed files with 17 additions and 20 deletions
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37
equi/cuda_equi.cu
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@ -80,6 +80,8 @@ u32 umin(const u32, const u32);
u32 umax(const u32, const u32);
#endif
#define OPT_SYNC_ALL
#if CUDA_VERSION >= 9000 && __CUDA_ARCH__ >= 300
#define __shfl2(var, srcLane) __shfl_sync(0xFFFFFFFFu, var, srcLane)
#undef __any
@ -514,10 +516,11 @@ __global__ void digit_1(equi<RB, SM>* eq)
u32 si[2];
#ifdef OPT_SYNC_ALL
// enable this to make fully safe shared mem operations;
// disabled gains some speed, but can rarely cause a crash
//__syncthreads();
__syncthreads();
#endif
#pragma unroll
for (u32 i = 0; i != 2; ++i)
{
@ -654,11 +657,9 @@ __global__ void digit_2(equi<RB, SM>* eq)
uint4 tt[2];
u32 si[2];
// enable this to make fully safe shared mem operations;
// disabled gains some speed, but can rarely cause a crash
//__syncthreads();
#ifdef OPT_SYNC_ALL
__syncthreads();
#endif
#pragma unroll 2
for (u32 i = 0; i < 2; i++)
{
@ -785,9 +786,9 @@ __global__ void digit_3(equi<RB, SM>* eq)
uint4 tt[2];
u32 ta[2];
// enable this to make fully safe shared mem operations;
// disabled gains some speed, but can rarely cause a crash
//__syncthreads();
#ifdef OPT_SYNC_ALL
__syncthreads();
#endif
#pragma unroll 2
for (u32 i = 0; i < 2; i++)
@ -919,11 +920,9 @@ __global__ void digit_4(equi<RB, SM>* eq)
u32 si[2];
uint4 tt[2];
// enable this to make fully safe shared mem operations;
// disabled gains some speed, but can rarely cause a crash
//__syncthreads();
#ifdef OPT_SYNC_ALL
__syncthreads();
#endif
#pragma unroll 2
for (u32 i = 0; i < 2; i++)
{
@ -1035,11 +1034,9 @@ __global__ void digit_5(equi<RB, SM>* eq)
u32 si[2];
uint4 tt[2];
// enable this to make fully safe shared mem operations;
// disabled gains some speed, but can rarely cause a crash
//__syncthreads();
#ifdef OPT_SYNC_ALL
__syncthreads();
#endif
#pragma unroll 2
for (u32 i = 0; i < 2; i++)
{