Browse Source
Also known as Double Skein Signed-off-by: Tanguy Pruvot <tanguy.pruvot@gmail.com>master
Tanguy Pruvot
10 years ago
11 changed files with 173 additions and 8 deletions
@ -0,0 +1,122 @@ |
|||||||
|
extern "C" { |
||||||
|
#include "sph/sph_skein.h" |
||||||
|
} |
||||||
|
|
||||||
|
#include "miner.h" |
||||||
|
#include "cuda_helper.h" |
||||||
|
|
||||||
|
static uint32_t *d_hash[MAX_GPUS]; |
||||||
|
|
||||||
|
extern void skein512_cpu_setBlock_80(void *pdata); |
||||||
|
extern void skein512_cpu_hash_80(int thr_id, uint32_t threads, uint32_t startNounce, uint32_t *d_hash, int order); |
||||||
|
|
||||||
|
extern void quark_skein512_cpu_hash_64(int thr_id, uint32_t threads, uint32_t startNounce, uint32_t *d_nonceVector, uint32_t *d_hash, int order); |
||||||
|
|
||||||
|
extern "C" void skein2hash(void *output, const void *input) |
||||||
|
{ |
||||||
|
sph_skein512_context ctx_skein; |
||||||
|
|
||||||
|
uint32_t hash[16]; |
||||||
|
|
||||||
|
sph_skein512_init(&ctx_skein); |
||||||
|
sph_skein512(&ctx_skein, input, 80); |
||||||
|
sph_skein512_close(&ctx_skein, hash); |
||||||
|
//applog_hash((uchar*)hash); |
||||||
|
//applog_hash((uchar*)&hash[8]); |
||||||
|
sph_skein512_init(&ctx_skein); |
||||||
|
sph_skein512(&ctx_skein, hash, 64); |
||||||
|
sph_skein512_close(&ctx_skein, hash); |
||||||
|
|
||||||
|
memcpy(output, hash, 32); |
||||||
|
} |
||||||
|
|
||||||
|
#ifdef _DEBUG |
||||||
|
#define TRACE(algo) { \ |
||||||
|
if (max_nonce == 1 && pdata[19] <= 1) { \ |
||||||
|
uint32_t* debugbuf = NULL; \ |
||||||
|
cudaMallocHost(&debugbuf, 16*sizeof(uint32_t)); \ |
||||||
|
cudaMemcpy(debugbuf, d_hash[thr_id], 16*sizeof(uint32_t), cudaMemcpyDeviceToHost); \ |
||||||
|
printf("SK2 %s %08x %08x %08x %08x...\n", algo, \ |
||||||
|
swab32(debugbuf[0]), swab32(debugbuf[1]), swab32(debugbuf[2]), swab32(debugbuf[3])); \ |
||||||
|
cudaFree(debugbuf); \ |
||||||
|
} \ |
||||||
|
} |
||||||
|
#else |
||||||
|
#define TRACE(algo) {} |
||||||
|
#endif |
||||||
|
|
||||||
|
static bool init[MAX_GPUS] = { 0 }; |
||||||
|
|
||||||
|
extern "C" int scanhash_skein2(int thr_id, uint32_t *pdata, |
||||||
|
const uint32_t *ptarget, uint32_t max_nonce, |
||||||
|
unsigned long *hashes_done) |
||||||
|
{ |
||||||
|
const uint32_t first_nonce = pdata[19]; |
||||||
|
|
||||||
|
uint32_t throughput = device_intensity(thr_id, __func__, 1 << 19); // 256*256*8 |
||||||
|
throughput = min(throughput, (max_nonce - first_nonce)); |
||||||
|
|
||||||
|
if (opt_benchmark) |
||||||
|
((uint32_t*)ptarget)[7] = 0x0FFF; |
||||||
|
|
||||||
|
if (!init[thr_id]) |
||||||
|
{ |
||||||
|
cudaDeviceReset(); |
||||||
|
cudaSetDevice(device_map[thr_id]); |
||||||
|
|
||||||
|
CUDA_SAFE_CALL(cudaMalloc(&d_hash[thr_id], 64 * throughput)); |
||||||
|
|
||||||
|
cuda_check_cpu_init(thr_id, throughput); |
||||||
|
init[thr_id] = true; |
||||||
|
} |
||||||
|
|
||||||
|
uint32_t endiandata[20]; |
||||||
|
for (int k=0; k < 20; k++) |
||||||
|
be32enc(&endiandata[k], pdata[k]); |
||||||
|
|
||||||
|
skein512_cpu_setBlock_80((void*)endiandata); |
||||||
|
cuda_check_cpu_setTarget(ptarget); |
||||||
|
|
||||||
|
do { |
||||||
|
int order = 0; |
||||||
|
|
||||||
|
// Hash with CUDA |
||||||
|
skein512_cpu_hash_80(thr_id, throughput, pdata[19], d_hash[thr_id], order++); |
||||||
|
TRACE("80:"); |
||||||
|
quark_skein512_cpu_hash_64(thr_id, throughput, pdata[19], NULL, d_hash[thr_id], order++); |
||||||
|
TRACE("64:"); |
||||||
|
|
||||||
|
uint32_t foundNonce = cuda_check_hash(thr_id, throughput, pdata[19], d_hash[thr_id]); |
||||||
|
if (foundNonce != UINT32_MAX) |
||||||
|
{ |
||||||
|
uint32_t vhash64[8]; |
||||||
|
|
||||||
|
endiandata[19] = foundNonce; |
||||||
|
skein2hash(vhash64, endiandata); |
||||||
|
|
||||||
|
#define Htarg ptarget[7] |
||||||
|
if (vhash64[7] <= Htarg && fulltest(vhash64, ptarget)) { |
||||||
|
int res = 1; |
||||||
|
uint32_t secNonce = cuda_check_hash_suppl(thr_id, throughput, pdata[19], d_hash[thr_id], 1); |
||||||
|
*hashes_done = pdata[19] - first_nonce + throughput; |
||||||
|
if (secNonce != 0) { |
||||||
|
if (!opt_quiet) |
||||||
|
applog(LOG_BLUE, "GPU #%d: found second nonce %08x !", device_map[thr_id], swab32(secNonce)); |
||||||
|
pdata[21] = swab32(secNonce); |
||||||
|
res++; |
||||||
|
} |
||||||
|
pdata[19] = swab32(foundNonce); |
||||||
|
return res; |
||||||
|
} |
||||||
|
else { |
||||||
|
applog(LOG_INFO, "GPU #%d: result for nonce $%08X does not validate on CPU!", device_map[thr_id], foundNonce); |
||||||
|
} |
||||||
|
} |
||||||
|
|
||||||
|
pdata[19] += throughput; |
||||||
|
|
||||||
|
} while (pdata[19] < max_nonce && !work_restart[thr_id].restart); |
||||||
|
|
||||||
|
*hashes_done = pdata[19] - first_nonce + 1; |
||||||
|
return 0; |
||||||
|
} |
||||||
Loading…
Reference in new issue