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lbry: exit on card failure, dont loop

master
Tanguy Pruvot 8 years ago
parent
883fb19908
commit
3d701944b2
2 changed files with 9 additions and 3 deletions
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  1. 3
      lbry/cuda_sha256_lbry.cu
  2. 9
      lbry/lbry.cu

3
lbry/cuda_sha256_lbry.cu
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@ -868,7 +868,7 @@ void lbry_sha256d_gpu_hash_final(const uint32_t threads, uint64_t *Hash512, uint
} }
__host__ __host__
void lbry_sha256d_hash_final(int thr_id, uint32_t threads, uint32_t *d_inputHash, uint32_t *d_resNonce) int lbry_sha256d_hash_final(int thr_id, uint32_t threads, uint32_t *d_inputHash, uint32_t *d_resNonce)
{ {
int dev_id = device_map[thr_id]; int dev_id = device_map[thr_id];
const uint32_t threadsperblock = (device_sm[dev_id] > 500) ? 1024 : 768; const uint32_t threadsperblock = (device_sm[dev_id] > 500) ? 1024 : 768;
@ -877,4 +877,5 @@ void lbry_sha256d_hash_final(int thr_id, uint32_t threads, uint32_t *d_inputHash
dim3 block(threadsperblock); dim3 block(threadsperblock);
lbry_sha256d_gpu_hash_final <<<grid, block>>> (threads, (uint64_t*) d_inputHash, d_resNonce); lbry_sha256d_gpu_hash_final <<<grid, block>>> (threads, (uint64_t*) d_inputHash, d_resNonce);
return cudaGetLastError();
} }

9
lbry/lbry.cu
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@ -68,7 +68,7 @@ extern void lbry_sha256_setBlock_112(uint32_t *pdata, uint32_t *ptarget);
extern void lbry_sha256d_hash_112(int thr_id, uint32_t threads, uint32_t startNonce, uint32_t *d_outputHash); extern void lbry_sha256d_hash_112(int thr_id, uint32_t threads, uint32_t startNonce, uint32_t *d_outputHash);
extern void lbry_sha512_init(int thr_id); extern void lbry_sha512_init(int thr_id);
extern void lbry_sha512_hash_32(int thr_id, uint32_t threads, uint32_t *d_hash); extern void lbry_sha512_hash_32(int thr_id, uint32_t threads, uint32_t *d_hash);
extern void lbry_sha256d_hash_final(int thr_id, uint32_t threads, uint32_t *d_inputHash, uint32_t *d_resNonce); extern int lbry_sha256d_hash_final(int thr_id, uint32_t threads, uint32_t *d_inputHash, uint32_t *d_resNonce);
static __inline uint32_t swab32_if(uint32_t val, bool iftrue) { static __inline uint32_t swab32_if(uint32_t val, bool iftrue) {
return iftrue ? swab32(val) : val; return iftrue ? swab32(val) : val;
@ -136,7 +136,12 @@ extern "C" int scanhash_lbry(int thr_id, struct work *work, uint32_t max_nonce,
lbry_sha512_hash_32(thr_id, throughput, d_hash[thr_id]); lbry_sha512_hash_32(thr_id, throughput, d_hash[thr_id]);
uint32_t resNonces[2] = { UINT32_MAX, UINT32_MAX }; uint32_t resNonces[2] = { UINT32_MAX, UINT32_MAX };
lbry_sha256d_hash_final(thr_id, throughput, d_hash[thr_id], d_resNonce[thr_id]); int err = lbry_sha256d_hash_final(thr_id, throughput, d_hash[thr_id], d_resNonce[thr_id]);
if (err) {
// reinit
free_lbry(thr_id);
return -1;
}
cudaMemcpy(resNonces, d_resNonce[thr_id], 2 * sizeof(uint32_t), cudaMemcpyDeviceToHost); cudaMemcpy(resNonces, d_resNonce[thr_id], 2 * sizeof(uint32_t), cudaMemcpyDeviceToHost);

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