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blake: remove hashharder workaround

2upstream
Tanguy Pruvot 10 years ago
parent
commit
56ed0fed05
  1. 14
      blake32.cu
  2. 10
      ccminer.cpp

14
blake32.cu

@ -48,7 +48,7 @@ __device__ static uint32_t prevsum = 0;
extern "C" uint32_t crc32_u32t(const uint32_t *buf, size_t size); extern "C" uint32_t crc32_u32t(const uint32_t *buf, size_t size);
#endif #endif
/* 8 adapters max (-t threads) */ /* 8 adapters max */
static uint32_t *d_resNonce[8]; static uint32_t *d_resNonce[8];
static uint32_t *h_resNonce[8]; static uint32_t *h_resNonce[8];
@ -303,17 +303,11 @@ void blake256_gpu_hash_16(const uint32_t threads, const uint32_t startNonce, uin
ending[3] = nonce; /* our tested value */ ending[3] = nonce; /* our tested value */
blake256_compress(h, ending, 640, rounds); blake256_compress(h, ending, 640, rounds);
#if 0
if (trace) { if (h[7] == 0 && cuda_swab32(h[6]) <= highTarget) {
printf("blake hash[6][7]: %08x %08x\n", h[6], h[7]);
}
#endif
//if (h[7] == 0 && high64 <= highTarget) {
if (h[7] == 0) {
#if NBN == 2 #if NBN == 2
/* keep the smallest nonce, + extra one if found */ /* keep the smallest nonce, + extra one if found */
if (resNonce[0] > nonce) { if (resNonce[0] > nonce) {
// printf("%llx %llx \n", high64, highTarget);
resNonce[1] = resNonce[0]; resNonce[1] = resNonce[0];
resNonce[0] = nonce; resNonce[0] = nonce;
} }
@ -468,7 +462,7 @@ extern "C" int scanhash_blake256(int thr_id, uint32_t *pdata, const uint32_t *pt
blake256hash(vhashcpu, endiandata, blakerounds); blake256hash(vhashcpu, endiandata, blakerounds);
//applog(LOG_BLUE, "%08x %16llx", vhashcpu[6], targetHigh); //applog(LOG_BLUE, "%08x %16llx", vhashcpu[6], targetHigh);
if (vhashcpu[6] <= Htarg /*&& fulltest(vhashcpu, ptarget)*/) if (vhashcpu[6] <= Htarg && fulltest(vhashcpu, ptarget))
{ {
pdata[19] = foundNonce; pdata[19] = foundNonce;
rc = 1; rc = 1;

10
ccminer.cpp

@ -1134,13 +1134,9 @@ static void *miner_thread(void *userdata)
// we can't scan more than uint capacity // we can't scan more than uint capacity
max64 = min(UINT32_MAX, max64); max64 = min(UINT32_MAX, max64);
//if (opt_debug)
// applog(LOG_DEBUG, "GPU #%d: start=%08x end=%08x max64=%llx",
// device_map[thr_id], *nonceptr, end_nonce, max64);
start_nonce = *nonceptr; start_nonce = *nonceptr;
#if 0
/* do not recompute something already scanned */ /* do not recompute something already scanned (hashharder workaround) */
if (opt_algo == ALGO_BLAKE && opt_n_threads == 1) { if (opt_algo == ALGO_BLAKE && opt_n_threads == 1) {
union { union {
uint64_t data; uint64_t data;
@ -1176,7 +1172,7 @@ static void *miner_thread(void *userdata)
} }
} }
} }
#endif
/* never let small ranges at end */ /* never let small ranges at end */
if (end_nonce >= UINT32_MAX - 256) if (end_nonce >= UINT32_MAX - 256)
end_nonce = UINT32_MAX; end_nonce = UINT32_MAX;

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