You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
84 lines
2.5 KiB
84 lines
2.5 KiB
#include <cuda_runtime.h> |
|
#include "miner.h" |
|
#include "neoscrypt/neoscrypt.h" |
|
|
|
static uint32_t *d_hash[MAX_GPUS] ; |
|
extern void neoscrypt_setBlockTarget(uint32_t * data, const void *ptarget); |
|
extern void neoscrypt_cpu_init(int thr_id, uint32_t threads, uint32_t* hash); |
|
extern uint32_t neoscrypt_cpu_hash_k4(int stratum, int thr_id, uint32_t threads, uint32_t startNounce, int order); |
|
|
|
#define SHIFT 130 |
|
|
|
static bool init[MAX_GPUS] = { 0 }; |
|
|
|
int scanhash_neoscrypt(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]; |
|
|
|
if (opt_benchmark) |
|
((uint32_t*)ptarget)[7] = 0x0000ff; |
|
|
|
int intensity = is_windows() ? 18 : 19; |
|
uint32_t throughput = device_intensity(thr_id, __func__, 1U << intensity); |
|
throughput = throughput / 32; /* set for max intensity ~= 20 */ |
|
throughput = min(throughput, max_nonce - first_nonce + 1); |
|
|
|
if (!init[thr_id]) |
|
{ |
|
cudaSetDevice(device_map[thr_id]); |
|
cudaDeviceSetCacheConfig(cudaFuncCachePreferL1); |
|
|
|
cudaMalloc(&d_hash[thr_id], 32 * SHIFT * sizeof(uint64_t) * throughput); |
|
neoscrypt_cpu_init(thr_id, throughput, d_hash[thr_id]); |
|
|
|
applog(LOG_INFO, "Using %d cuda threads", throughput); |
|
if (cudaGetLastError() != cudaSuccess) { |
|
cudaError_t err = cudaGetLastError(); |
|
fprintf(stderr, "Cuda error in func '%s' at line %i : %s.\n", |
|
__FUNCTION__, __LINE__, cudaGetErrorString(err) ); |
|
proper_exit(EXIT_FAILURE); |
|
} |
|
init[thr_id] = true; |
|
} |
|
|
|
uint32_t endiandata[20]; |
|
if (have_stratum) { |
|
for (int k = 0; k < 20; k++) |
|
be32enc(&endiandata[k], ((uint32_t*)pdata)[k]); |
|
} else { |
|
for (int k = 0; k < 20; k++) |
|
endiandata[k] = pdata[k]; |
|
} |
|
|
|
neoscrypt_setBlockTarget(endiandata,ptarget); |
|
|
|
do { |
|
uint32_t foundNonce = neoscrypt_cpu_hash_k4((int)have_stratum, thr_id, throughput, pdata[19], 0); |
|
if (foundNonce != UINT32_MAX) |
|
{ |
|
uint32_t _ALIGN(64) vhash64[8]; |
|
|
|
*hashes_done = pdata[19] - first_nonce + 1; |
|
|
|
if (have_stratum) { |
|
be32enc(&endiandata[19], foundNonce); |
|
} else { |
|
endiandata[19] = foundNonce; |
|
} |
|
neoscrypt((uchar*)vhash64, (uchar*) endiandata, 0x80000620U); |
|
|
|
if (vhash64[7] <= ptarget[7] && fulltest(vhash64, ptarget)) { |
|
pdata[19] = foundNonce; |
|
return 1; |
|
} else { |
|
applog(LOG_WARNING, "GPU #%d: result for nonce %08x does not validate on CPU!", device_map[thr_id], foundNonce); |
|
} |
|
} |
|
|
|
pdata[19] += throughput; |
|
|
|
} while (!work_restart[thr_id].restart && (max_nonce > ((uint64_t)(pdata[19]) + throughput))); |
|
|
|
*hashes_done = pdata[19] - first_nonce + 1; |
|
return 0; |
|
}
|
|
|