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quark: static shared memory allocation for SM3+

from KlausT committed on 4 Jan, add a few kH/s
master
Tanguy Pruvot 9 years ago
parent
commit
d7c2168f2b
  1. 2
      README.txt
  2. 10
      quark/cuda_quark_compactionTest.cu

2
README.txt

@ -228,7 +228,7 @@ features. @@ -228,7 +228,7 @@ features.
>>> RELEASE HISTORY <<<
Nov. 05th 2015 v1.7
Nov. 06th 2015 v1.7
Improve old devices compatibility (x11, lyra2, qubit...)
Add windows support for SM 2.1 and drop SM 3.5 (x86)
Improve lyra2 (v1/v2) cuda implementations

10
quark/cuda_quark_compactionTest.cu

@ -79,7 +79,7 @@ void quark_compactTest_gpu_SCAN(uint32_t *data, const int width, uint32_t *parti @@ -79,7 +79,7 @@ void quark_compactTest_gpu_SCAN(uint32_t *data, const int width, uint32_t *parti
uint32_t threads=0, uint32_t startNounce=0, uint32_t *inpHashes=NULL, uint32_t *d_validNonceTable=NULL)
{
#if __CUDA_ARCH__ >= 300
extern __shared__ uint32_t sums[];
__shared__ uint32_t sums[32];
int id = ((blockIdx.x * blockDim.x) + threadIdx.x);
//int lane_id = id % warpSize;
int lane_id = id % width;
@ -267,15 +267,15 @@ void quark_compactTest_cpu_singleCompaction(int thr_id, uint32_t threads, uint32 @@ -267,15 +267,15 @@ void quark_compactTest_cpu_singleCompaction(int thr_id, uint32_t threads, uint32
bool callThrid = (thr2 > 0) ? true : false;
// Erster Initialscan
quark_compactTest_gpu_SCAN<<<thr1,blockSize, 32*sizeof(uint32_t)>>>(
quark_compactTest_gpu_SCAN <<<thr1,blockSize>>>(
d_tempBranch1Nonces[thr_id], 32, d_partSum[0][thr_id], function, orgThreads, startNounce, inpHashes, d_validNonceTable);
// weitere Scans
if(callThrid) {
quark_compactTest_gpu_SCAN<<<thr2,blockSize, 32*sizeof(uint32_t)>>>(d_partSum[0][thr_id], 32, d_partSum[1][thr_id]);
quark_compactTest_gpu_SCAN<<<1, thr2, 32*sizeof(uint32_t)>>>(d_partSum[1][thr_id], (thr2>32) ? 32 : thr2);
quark_compactTest_gpu_SCAN<<<thr2,blockSize>>>(d_partSum[0][thr_id], 32, d_partSum[1][thr_id]);
quark_compactTest_gpu_SCAN<<<1, thr2>>>(d_partSum[1][thr_id], (thr2>32) ? 32 : thr2);
} else {
quark_compactTest_gpu_SCAN<<<thr3,blockSize2, 32*sizeof(uint32_t)>>>(d_partSum[0][thr_id], (blockSize2>32) ? 32 : blockSize2);
quark_compactTest_gpu_SCAN<<<thr3,blockSize2>>>(d_partSum[0][thr_id], (blockSize2>32) ? 32 : blockSize2);
}
// Sync + Anzahl merken

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