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Signed-off-by: Tanguy Pruvot <[email protected]>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,166 @@ | ||
| /** | ||
| * Tribus Algo for Denarius | ||
| * | ||
| * tpruvot@github 06 2017 - GPLv3 | ||
| * | ||
| */ | ||
| extern "C" { | ||
| #include "sph/sph_jh.h" | ||
| #include "sph/sph_keccak.h" | ||
| #include "sph/sph_echo.h" | ||
| } | ||
|
|
||
| #include "miner.h" | ||
| #include "cuda_helper.h" | ||
| #include "x11/cuda_x11.h" | ||
|
|
||
| void jh512_setBlock_80(int thr_id, uint32_t *endiandata); | ||
| void jh512_cuda_hash_80(const int thr_id, const uint32_t threads, const uint32_t startNounce, uint32_t *d_hash); | ||
|
|
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| static uint32_t *d_hash[MAX_GPUS]; | ||
|
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||
|
|
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| // cpu hash | ||
|
|
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| extern "C" void tribus_hash(void *state, const void *input) | ||
| { | ||
| uint8_t _ALIGN(64) hash[64]; | ||
|
|
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| sph_jh512_context ctx_jh; | ||
| sph_keccak512_context ctx_keccak; | ||
| sph_echo512_context ctx_echo; | ||
|
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| sph_jh512_init(&ctx_jh); | ||
| sph_jh512(&ctx_jh, input, 80); | ||
| sph_jh512_close(&ctx_jh, (void*) hash); | ||
|
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| sph_keccak512_init(&ctx_keccak); | ||
| sph_keccak512(&ctx_keccak, (const void*) hash, 64); | ||
| sph_keccak512_close(&ctx_keccak, (void*) hash); | ||
|
|
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| sph_echo512_init(&ctx_echo); | ||
| sph_echo512(&ctx_echo, (const void*) hash, 64); | ||
| sph_echo512_close(&ctx_echo, (void*) hash); | ||
|
|
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| memcpy(state, hash, 32); | ||
| } | ||
|
|
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| static bool init[MAX_GPUS] = { 0 }; | ||
|
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| extern "C" int scanhash_tribus(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]; | ||
|
|
||
| int8_t intensity = is_windows() ? 20 : 23; | ||
| uint32_t throughput = cuda_default_throughput(thr_id, 1 << intensity); | ||
| if (init[thr_id]) throughput = min(throughput, max_nonce - first_nonce); | ||
|
|
||
| if (opt_benchmark) | ||
| ((uint32_t*)ptarget)[7] = 0x00FF; | ||
|
|
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| 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(); | ||
| } | ||
| gpulog(LOG_INFO, thr_id, "Intensity set to %g, %u cuda threads", throughput2intensity(throughput), throughput); | ||
|
|
||
| quark_jh512_cpu_init(thr_id, throughput); | ||
| quark_keccak512_cpu_init(thr_id, throughput); | ||
| x11_echo512_cpu_init(thr_id, throughput); | ||
|
|
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| // char[64] work space for hashes results | ||
| CUDA_SAFE_CALL(cudaMalloc(&d_hash[thr_id], (size_t)64 * throughput)); | ||
|
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| cuda_check_cpu_init(thr_id, throughput); | ||
| init[thr_id] = true; | ||
| } | ||
|
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| for (int k=0; k < 20; k++) | ||
| be32enc(&endiandata[k], pdata[k]); | ||
|
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| jh512_setBlock_80(thr_id, endiandata); | ||
| cuda_check_cpu_setTarget(ptarget); | ||
|
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| work->valid_nonces = 0; | ||
|
|
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| do { | ||
| int order = 1; | ||
|
|
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| // Hash with CUDA | ||
| jh512_cuda_hash_80(thr_id, throughput, pdata[19], d_hash[thr_id]); | ||
| quark_keccak512_cpu_hash_64(thr_id, throughput, pdata[19], NULL, d_hash[thr_id], order++); | ||
| x11_echo512_cpu_hash_64(thr_id, throughput, pdata[19], NULL, d_hash[thr_id], order++); | ||
|
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| *hashes_done = pdata[19] - first_nonce + throughput; | ||
|
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| work->nonces[0] = cuda_check_hash(thr_id, throughput, pdata[19], d_hash[thr_id]); | ||
| if (work->nonces[0] != UINT32_MAX) | ||
| { | ||
| const uint32_t Htarg = ptarget[7]; | ||
| uint32_t _ALIGN(64) vhash[8]; | ||
| be32enc(&endiandata[19], work->nonces[0]); | ||
| tribus_hash(vhash, endiandata); | ||
|
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| if (vhash[7] <= Htarg && fulltest(vhash, ptarget)) { | ||
| work->valid_nonces = 1; | ||
| work_set_target_ratio(work, vhash); | ||
| work->nonces[1] = cuda_check_hash_suppl(thr_id, throughput, pdata[19], d_hash[thr_id], 1); | ||
| if (work->nonces[1] != 0) { | ||
| be32enc(&endiandata[19], work->nonces[1]); | ||
| tribus_hash(vhash, endiandata); | ||
| bn_set_target_ratio(work, vhash, 1); | ||
| work->valid_nonces++; | ||
| pdata[19] = max(work->nonces[0], work->nonces[1]) + 1; | ||
| } else { | ||
| pdata[19] = work->nonces[0] + 1; // cursor | ||
| } | ||
| goto out; | ||
| } | ||
| else if (vhash[7] > Htarg) { | ||
| gpu_increment_reject(thr_id); | ||
| if (!opt_quiet) | ||
| gpulog(LOG_WARNING, thr_id, "result for %08x does not validate on CPU!", work->nonces[0]); | ||
| pdata[19] = work->nonces[0] + 1; | ||
| continue; | ||
| } | ||
| } | ||
|
|
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| if ((uint64_t) throughput + pdata[19] >= max_nonce) { | ||
| pdata[19] = max_nonce; | ||
| break; | ||
| } | ||
|
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| pdata[19] += throughput; | ||
|
|
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| } while (!work_restart[thr_id].restart); | ||
|
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| out: | ||
| // *hashes_done = pdata[19] - first_nonce; | ||
|
|
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| return work->valid_nonces; | ||
| } | ||
|
|
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| // ressources cleanup | ||
| extern "C" void free_tribus(int thr_id) | ||
| { | ||
| if (!init[thr_id]) | ||
| return; | ||
|
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| cudaThreadSynchronize(); | ||
|
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| cudaFree(d_hash[thr_id]); | ||
|
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| quark_groestl512_cpu_free(thr_id); | ||
| cuda_check_cpu_free(thr_id); | ||
| init[thr_id] = false; | ||
|
|
||
| cudaDeviceSynchronize(); | ||
| } |
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