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Code Issues Releases Wiki Activity

sia: use the new work share diff

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This commit is contained in:
Tanguy Pruvot 2016-09-28 00:59:35 +02:00
parent 1a31d4d2d6
commit 665de3a1f2
1 changed files with 11 additions and 10 deletions
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21
sia/sia.cu
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@ -211,7 +211,6 @@ int scanhash_sia(int thr_id, struct work *work, uint32_t max_nonce, unsigned lon
cudaDeviceReset(); cudaDeviceReset();
// reduce cpu usage (linux) // reduce cpu usage (linux)
cudaSetDeviceFlags(cudaDeviceScheduleBlockingSync); cudaSetDeviceFlags(cudaDeviceScheduleBlockingSync);
//cudaDeviceSetCacheConfig(cudaFuncCachePreferL1);
CUDA_LOG_ERROR(); CUDA_LOG_ERROR();
} }
gpulog(LOG_INFO, thr_id, "Intensity set to %g, %u cuda threads", throughput2intensity(throughput), throughput); gpulog(LOG_INFO, thr_id, "Intensity set to %g, %u cuda threads", throughput2intensity(throughput), throughput);
@ -235,17 +234,16 @@ int scanhash_sia(int thr_id, struct work *work, uint32_t max_nonce, unsigned lon
if (foundNonce != UINT32_MAX) if (foundNonce != UINT32_MAX)
{ {
int res = 0; work->valid_nonces = 0;
inputdata[8] = foundNonce; inputdata[8] = foundNonce;
blake2b_hash(hash, inputdata); blake2b_hash(hash, inputdata);
if (swab32(hash[0]) <= Htarg) { if (swab32(hash[0]) <= Htarg) {
// sia hash target is reversed (start of hash) // sia hash target is reversed (start of hash)
swab256(vhashcpu, hash); swab256(vhashcpu, hash);
// applog_hex(vhashcpu, 32);
if (fulltest(vhashcpu, ptarget)) { if (fulltest(vhashcpu, ptarget)) {
work_set_target_ratio(work, vhashcpu); work_set_target_ratio(work, vhashcpu);
work->nonces[0] = foundNonce; work->nonces[0] = foundNonce;
res ++; work->valid_nonces++;
} }
} }
@ -253,22 +251,25 @@ int scanhash_sia(int thr_id, struct work *work, uint32_t max_nonce, unsigned lon
inputdata[8] = secNonce; inputdata[8] = secNonce;
blake2b_hash(hash, inputdata); blake2b_hash(hash, inputdata);
if (swab32(hash[0]) <= Htarg) { if (swab32(hash[0]) <= Htarg) {
if (opt_debug) gpulog(LOG_DEBUG, thr_id, "found second nonce %08x", secNonce);
gpulog(LOG_BLUE, thr_id, "found second nonce %08x", secNonce);
swab256(vhashcpu, hash); swab256(vhashcpu, hash);
if (fulltest(vhashcpu, ptarget)) { if (fulltest(vhashcpu, ptarget)) {
work->nonces[1] = secNonce; work->nonces[1] = secNonce;
if (bn_hash_target_ratio(vhashcpu, ptarget) > work->shareratio[0]) { if (bn_hash_target_ratio(vhashcpu, ptarget) > work->shareratio[0]) {
work->sharediff[1] = work->sharediff[0];
work->shareratio[1] = work->shareratio[0];
xchg(work->nonces[1], work->nonces[0]);
work_set_target_ratio(work, vhashcpu); work_set_target_ratio(work, vhashcpu);
xchg(work->nonces[0], work->nonces[1]); } else {
bn_set_target_ratio(work, vhashcpu, 1);
} }
res++; work->valid_nonces++;
} }
} }
} }
if (res) { if (work->valid_nonces) {
pdata[8] = max_nonce; pdata[8] = max_nonce;
return res; return work->valid_nonces;
} }
} }