Tanguy Pruvot
9 years ago
5 changed files with 137 additions and 1 deletions
@ -0,0 +1,120 @@ |
|||||||
|
/* |
||||||
|
* whirlpool routine (djm) |
||||||
|
*/ |
||||||
|
extern "C" |
||||||
|
{ |
||||||
|
#include "sph/sph_whirlpool.h" |
||||||
|
#include "miner.h" |
||||||
|
} |
||||||
|
|
||||||
|
#include "cuda_helper.h" |
||||||
|
|
||||||
|
static uint32_t *d_hash[MAX_GPUS]; |
||||||
|
|
||||||
|
extern void x15_whirlpool_cpu_init(int thr_id, uint32_t threads, int mode); |
||||||
|
extern void x15_whirlpool_cpu_hash_64(int thr_id, uint32_t threads, uint32_t startNounce, uint32_t *d_nonceVector, uint32_t *d_hash, int order); |
||||||
|
|
||||||
|
extern void whirlpool512_setBlock_80(void *pdata, const void *ptarget); |
||||||
|
extern void whirlpool512_cpu_hash_80(int thr_id, uint32_t threads, uint32_t startNounce, uint32_t *d_hash, int order); |
||||||
|
extern uint32_t whirlpool512_cpu_finalhash_64(int thr_id, uint32_t threads, uint32_t startNounce, uint32_t *d_nonceVector, uint32_t *d_hash, int order); |
||||||
|
|
||||||
|
|
||||||
|
// CPU Hash function |
||||||
|
extern "C" void wcoinhash(void *state, const void *input) |
||||||
|
{ |
||||||
|
sph_whirlpool_context ctx_whirlpool; |
||||||
|
|
||||||
|
unsigned char hash[128]; // uint32_t hashA[16], hashB[16]; |
||||||
|
#define hashB hash+64 |
||||||
|
|
||||||
|
memset(hash, 0, sizeof hash); |
||||||
|
|
||||||
|
sph_whirlpool1_init(&ctx_whirlpool); |
||||||
|
sph_whirlpool1(&ctx_whirlpool, input, 80); |
||||||
|
sph_whirlpool1_close(&ctx_whirlpool, hash); |
||||||
|
|
||||||
|
sph_whirlpool1_init(&ctx_whirlpool); |
||||||
|
sph_whirlpool1(&ctx_whirlpool, hash, 64); |
||||||
|
sph_whirlpool1_close(&ctx_whirlpool, hashB); |
||||||
|
|
||||||
|
sph_whirlpool1_init(&ctx_whirlpool); |
||||||
|
sph_whirlpool1(&ctx_whirlpool, hashB, 64); |
||||||
|
sph_whirlpool1_close(&ctx_whirlpool, hash); |
||||||
|
|
||||||
|
sph_whirlpool1_init(&ctx_whirlpool); |
||||||
|
sph_whirlpool1(&ctx_whirlpool, hash, 64); |
||||||
|
sph_whirlpool1_close(&ctx_whirlpool, hash); |
||||||
|
|
||||||
|
memcpy(state, hash, 32); |
||||||
|
} |
||||||
|
|
||||||
|
static bool init[MAX_GPUS] = { 0 }; |
||||||
|
|
||||||
|
extern "C" int scanhash_whirl(int thr_id, struct work* work, uint32_t max_nonce, unsigned long *hashes_done) |
||||||
|
{ |
||||||
|
uint32_t _ALIGN(128) endiandata[20]; |
||||||
|
uint32_t* pdata = work->data; |
||||||
|
uint32_t* ptarget = work->target; |
||||||
|
const uint32_t first_nonce = pdata[19]; |
||||||
|
|
||||||
|
uint32_t throughput = device_intensity(thr_id, __func__, 1U << 19); // 19=256*256*8; |
||||||
|
throughput = min(throughput, max_nonce - first_nonce); |
||||||
|
|
||||||
|
if (opt_benchmark) |
||||||
|
((uint32_t*)ptarget)[7] = 0x0000ff; |
||||||
|
|
||||||
|
if (!init[thr_id]) { |
||||||
|
cudaSetDevice(device_map[thr_id]); |
||||||
|
|
||||||
|
cudaMalloc(&d_hash[thr_id], 16 * sizeof(uint32_t) * throughput); |
||||||
|
x15_whirlpool_cpu_init(thr_id, throughput, 1 /* old whirlpool */); |
||||||
|
|
||||||
|
init[thr_id] = true; |
||||||
|
} |
||||||
|
|
||||||
|
for (int k=0; k < 20; k++) { |
||||||
|
be32enc(&endiandata[k], pdata[k]); |
||||||
|
} |
||||||
|
|
||||||
|
whirlpool512_setBlock_80((void*)endiandata, ptarget); |
||||||
|
|
||||||
|
do { |
||||||
|
uint32_t foundNonce; |
||||||
|
int order = 0; |
||||||
|
|
||||||
|
whirlpool512_cpu_hash_80(thr_id, throughput, pdata[19], d_hash[thr_id], order++); |
||||||
|
x15_whirlpool_cpu_hash_64(thr_id, throughput, pdata[19], NULL, d_hash[thr_id], order++); |
||||||
|
x15_whirlpool_cpu_hash_64(thr_id, throughput, pdata[19], NULL, d_hash[thr_id], order++); |
||||||
|
|
||||||
|
foundNonce = whirlpool512_cpu_finalhash_64(thr_id, throughput, pdata[19], NULL, d_hash[thr_id], order++); |
||||||
|
if (foundNonce != UINT32_MAX) |
||||||
|
{ |
||||||
|
const uint32_t Htarg = ptarget[7]; |
||||||
|
uint32_t vhash[8]; |
||||||
|
be32enc(&endiandata[19], foundNonce); |
||||||
|
wcoinhash(vhash, endiandata); |
||||||
|
|
||||||
|
if (vhash[7] <= Htarg && fulltest(vhash, ptarget)) { |
||||||
|
int res = 1; |
||||||
|
*hashes_done = pdata[19] - first_nonce + throughput; |
||||||
|
bn_store_hash_target_ratio(vhash, ptarget, work); |
||||||
|
#if 0 |
||||||
|
uint32_t secNonce = cuda_check_hash_suppl(thr_id, throughput, pdata[19], d_hash[thr_id], 1); |
||||||
|
if (secNonce != 0) { |
||||||
|
pdata[21] = secNonce; |
||||||
|
res++; |
||||||
|
} |
||||||
|
#endif |
||||||
|
pdata[19] = foundNonce; |
||||||
|
return res; |
||||||
|
} else { |
||||||
|
applog(LOG_WARNING, "GPU #%d: result for %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; |
||||||
|
return 0; |
||||||
|
} |
||||||
Loading…
Reference in new issue