mirror of
https://github.com/GOSTSec/ccminer
synced 2025-01-09 14:28:15 +00:00
61ff92b5b4
fix some algo weird hashrates (like blake) and reset device between algos, for better accuracy but this reset doesnt seems enough to bench all algos correctly... to test on linux, could be a driver issue... heavy: fix first alloc and indent with tabs...
118 lines
2.8 KiB
Plaintext
118 lines
2.8 KiB
Plaintext
/*
|
|
* luffa 80 algo (Introduced by Doomcoin)
|
|
*/
|
|
extern "C" {
|
|
#include "sph/sph_luffa.h"
|
|
}
|
|
|
|
#include "miner.h"
|
|
|
|
#include "cuda_helper.h"
|
|
|
|
static uint32_t *d_hash[MAX_GPUS];
|
|
|
|
extern void qubit_luffa512_cpu_init(int thr_id, uint32_t threads);
|
|
extern void qubit_luffa512_cpu_setBlock_80(void *pdata);
|
|
extern void qubit_luffa512_cpu_hash_80(int thr_id, uint32_t threads, uint32_t startNounce, uint32_t *d_hash, int order);
|
|
|
|
extern "C" void luffa_hash(void *state, const void *input)
|
|
{
|
|
uint8_t _ALIGN(64) hash[64];
|
|
|
|
sph_luffa512_context ctx_luffa;
|
|
|
|
sph_luffa512_init(&ctx_luffa);
|
|
sph_luffa512 (&ctx_luffa, input, 80);
|
|
sph_luffa512_close(&ctx_luffa, (void*) hash);
|
|
|
|
memcpy(state, hash, 32);
|
|
}
|
|
|
|
static bool init[MAX_GPUS] = { 0 };
|
|
|
|
extern "C" int scanhash_luffa(int thr_id, struct work* work, uint32_t max_nonce, unsigned long *hashes_done)
|
|
{
|
|
uint32_t _ALIGN(64) endiandata[20];
|
|
uint32_t *pdata = work->data;
|
|
uint32_t *ptarget = work->target;
|
|
const uint32_t first_nonce = pdata[19];
|
|
uint32_t throughput = cuda_default_throughput(thr_id, 1U << 21);
|
|
if (init[thr_id]) throughput = min(throughput, max_nonce - first_nonce);
|
|
|
|
if (opt_benchmark)
|
|
ptarget[7] = 0x0000f;
|
|
|
|
if (!init[thr_id])
|
|
{
|
|
cudaSetDevice(device_map[thr_id]);
|
|
if (opt_cudaschedule == -1 && gpu_threads == 1) {
|
|
cudaDeviceReset();
|
|
// reduce cpu usage
|
|
cudaSetDeviceFlags(cudaDeviceScheduleBlockingSync);
|
|
CUDA_LOG_ERROR();
|
|
}
|
|
|
|
CUDA_SAFE_CALL(cudaMalloc(&d_hash[thr_id], (size_t) 64 * throughput));
|
|
|
|
qubit_luffa512_cpu_init(thr_id, throughput);
|
|
cuda_check_cpu_init(thr_id, throughput);
|
|
|
|
init[thr_id] = true;
|
|
}
|
|
|
|
for (int k=0; k < 19; k++)
|
|
be32enc(&endiandata[k], pdata[k]);
|
|
|
|
qubit_luffa512_cpu_setBlock_80((void*)endiandata);
|
|
cuda_check_cpu_setTarget(ptarget);
|
|
|
|
do {
|
|
qubit_luffa512_cpu_hash_80(thr_id, (int) throughput, pdata[19], d_hash[thr_id], 0);
|
|
|
|
*hashes_done = pdata[19] - first_nonce + throughput;
|
|
|
|
uint32_t foundNonce = cuda_check_hash(thr_id, throughput, pdata[19], d_hash[thr_id]);
|
|
if (foundNonce != UINT32_MAX)
|
|
{
|
|
uint32_t _ALIGN(64) vhash64[8];
|
|
be32enc(&endiandata[19], foundNonce);
|
|
luffa_hash(vhash64, endiandata);
|
|
|
|
if (vhash64[7] <= ptarget[7] && fulltest(vhash64, ptarget)) {
|
|
work_set_target_ratio(work, vhash64);
|
|
pdata[19] = foundNonce;
|
|
return 1;
|
|
} else {
|
|
gpulog(LOG_WARNING, thr_id, "result for %08x does not validate on CPU!", foundNonce);
|
|
}
|
|
}
|
|
|
|
if ((uint64_t) throughput + pdata[19] >= max_nonce) {
|
|
pdata[19] = max_nonce;
|
|
break;
|
|
}
|
|
|
|
pdata[19] += throughput;
|
|
|
|
} while (!work_restart[thr_id].restart);
|
|
|
|
*hashes_done = pdata[19] - first_nonce;
|
|
return 0;
|
|
}
|
|
|
|
// cleanup
|
|
extern "C" void free_luffa(int thr_id)
|
|
{
|
|
if (!init[thr_id])
|
|
return;
|
|
|
|
cudaThreadSynchronize();
|
|
|
|
cudaFree(d_hash[thr_id]);
|
|
|
|
cuda_check_cpu_free(thr_id);
|
|
|
|
init[thr_id] = false;
|
|
cudaDeviceSynchronize();
|
|
}
|