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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,194 @@ | ||
| /** | ||
| * Skunk Algo for Signatum | ||
| * (skein, cube, fugue, gost streebog) | ||
| * | ||
| * tpruvot@github 06 2017 - GPLv3 | ||
| */ | ||
| extern "C" { | ||
| #include "sph/sph_skein.h" | ||
| #include "sph/sph_cubehash.h" | ||
| #include "sph/sph_fugue.h" | ||
| #include "sph/sph_streebog.h" | ||
| } | ||
|
|
||
| #include "miner.h" | ||
| #include "cuda_helper.h" | ||
|
|
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| extern void skein512_cpu_setBlock_80(void *pdata); | ||
| extern void quark_skein512_cpu_init(int thr_id, uint32_t threads); | ||
| extern void skein512_cpu_hash_80(int thr_id, uint32_t threads, uint32_t startNounce, uint32_t *d_hash, int swap); | ||
|
|
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| extern void x11_cubehash512_cpu_init(int thr_id, uint32_t threads); | ||
| extern void x11_cubehash512_cpu_hash_64(int thr_id, uint32_t threads, uint32_t startNounce, uint32_t *d_nonceVector, uint32_t *d_hash, int order); | ||
|
|
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| extern void x13_fugue512_cpu_init(int thr_id, uint32_t threads); | ||
| extern void x13_fugue512_cpu_hash_64(int thr_id, uint32_t threads, uint32_t startNounce, uint32_t *d_nonceVector, uint32_t *d_hash, int order); | ||
| extern void x13_fugue512_cpu_free(int thr_id); | ||
|
|
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| extern void streebog_cpu_hash_64_final(int thr_id, uint32_t threads, uint32_t *d_hash, uint32_t* d_resNonce); | ||
| extern void streebog_set_target(const uint32_t* ptarget); | ||
|
|
||
| #include <stdio.h> | ||
| #include <memory.h> | ||
|
|
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| #define NBN 2 | ||
| static uint32_t *d_hash[MAX_GPUS]; | ||
| static uint32_t *d_resNonce[MAX_GPUS]; | ||
|
|
||
| // CPU Hash | ||
| extern "C" void skunk_hash(void *output, const void *input) | ||
| { | ||
| unsigned char _ALIGN(128) hash[128] = { 0 }; | ||
|
|
||
| sph_skein512_context ctx_skein; | ||
| sph_cubehash512_context ctx_cubehash; | ||
| sph_fugue512_context ctx_fugue; | ||
| sph_gost512_context ctx_gost; | ||
|
|
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| sph_skein512_init(&ctx_skein); | ||
| sph_skein512(&ctx_skein, input, 80); | ||
| sph_skein512_close(&ctx_skein, (void*) hash); | ||
|
|
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| sph_cubehash512_init(&ctx_cubehash); | ||
| sph_cubehash512(&ctx_cubehash, (const void*) hash, 64); | ||
| sph_cubehash512_close(&ctx_cubehash, (void*) hash); | ||
|
|
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| sph_fugue512_init(&ctx_fugue); | ||
| sph_fugue512(&ctx_fugue, (const void*) hash, 64); | ||
| sph_fugue512_close(&ctx_fugue, (void*) hash); | ||
|
|
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| sph_gost512_init(&ctx_gost); | ||
| sph_gost512(&ctx_gost, (const void*) hash, 64); | ||
| sph_gost512_close(&ctx_gost, (void*) hash); | ||
|
|
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| memcpy(output, hash, 32); | ||
| } | ||
|
|
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| static bool init[MAX_GPUS] = { 0 }; | ||
|
|
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| extern "C" int scanhash_skunk(int thr_id, struct work* work, uint32_t max_nonce, unsigned long *hashes_done) | ||
| { | ||
| int dev_id = device_map[thr_id]; | ||
|
|
||
| uint32_t *pdata = work->data; | ||
| uint32_t *ptarget = work->target; | ||
| const uint32_t first_nonce = pdata[19]; | ||
| int intensity = (device_sm[device_map[thr_id]] > 500) ? 18 : 17; | ||
| if (strstr(device_name[dev_id], "GTX 10")) intensity = 19; | ||
| uint32_t throughput = cuda_default_throughput(thr_id, 1U << intensity); | ||
| //if (init[thr_id]) throughput = min(throughput, max_nonce - first_nonce); | ||
|
|
||
| if (opt_benchmark) | ||
| ptarget[7] = 0xf; | ||
|
|
||
| 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_skein512_cpu_init(thr_id, throughput); | ||
| x11_cubehash512_cpu_init(thr_id, throughput); | ||
| x13_fugue512_cpu_init(thr_id, throughput); | ||
|
|
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| CUDA_CALL_OR_RET_X(cudaMalloc(&d_hash[thr_id], (size_t) 64 * throughput), 0); | ||
| CUDA_CALL_OR_RET_X(cudaMalloc(&d_resNonce[thr_id], NBN * sizeof(uint32_t)), -1); | ||
|
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| init[thr_id] = true; | ||
| } | ||
|
|
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| uint32_t _ALIGN(64) h_resNonce[NBN]; | ||
| uint32_t _ALIGN(64) endiandata[20]; | ||
| for (int k=0; k < 20; k++) | ||
| be32enc(&endiandata[k], pdata[k]); | ||
|
|
||
| skein512_cpu_setBlock_80(endiandata); | ||
|
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| cudaMemset(d_resNonce[thr_id], 0xff, NBN*sizeof(uint32_t)); | ||
| streebog_set_target(ptarget); | ||
|
|
||
| do { | ||
| int order = 0; | ||
| skein512_cpu_hash_80(thr_id, throughput, pdata[19], d_hash[thr_id], 1); order++; | ||
| x11_cubehash512_cpu_hash_64(thr_id, throughput, pdata[19], NULL, d_hash[thr_id], order++); | ||
| x13_fugue512_cpu_hash_64(thr_id, throughput, pdata[19], NULL, d_hash[thr_id], order++); | ||
| streebog_cpu_hash_64_final(thr_id, throughput, d_hash[thr_id], d_resNonce[thr_id]); | ||
|
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| cudaMemcpy(h_resNonce, d_resNonce[thr_id], NBN*sizeof(uint32_t), cudaMemcpyDeviceToHost); | ||
|
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| *hashes_done = pdata[19] - first_nonce + throughput; | ||
|
|
||
| if (h_resNonce[0] != UINT32_MAX) | ||
| { | ||
| uint32_t _ALIGN(64) vhash[8]; | ||
| const uint32_t Htarg = ptarget[7]; | ||
| const uint32_t startNounce = pdata[19]; | ||
|
|
||
| be32enc(&endiandata[19], startNounce + h_resNonce[0]); | ||
| skunk_hash(vhash, endiandata); | ||
| if (vhash[7] <= Htarg && fulltest(vhash, ptarget)) | ||
| { | ||
| work->nonces[0] = startNounce + h_resNonce[0]; | ||
| work->valid_nonces = 1; | ||
| work_set_target_ratio(work, vhash); | ||
| if (h_resNonce[1] != UINT32_MAX) | ||
| { | ||
| uint32_t secNonce = work->nonces[1] = startNounce + h_resNonce[1]; | ||
| be32enc(&endiandata[19], secNonce); | ||
| skunk_hash(vhash, endiandata); | ||
| work->nonces[1] = secNonce; | ||
| if (bn_hash_target_ratio(vhash, ptarget) > work->shareratio[0]) { | ||
| work_set_target_ratio(work, vhash); | ||
| xchg(work->nonces[1], work->nonces[0]); | ||
| } else { | ||
| bn_set_target_ratio(work, vhash, work->valid_nonces); | ||
| } | ||
| work->valid_nonces++; | ||
| pdata[19] = max(work->nonces[0], work->nonces[1]) + 1; | ||
| } else { | ||
| pdata[19] = work->nonces[0] + 1; // cursor | ||
| } | ||
| return work->valid_nonces; | ||
| } | ||
| else if (vhash[7] > Htarg) { | ||
| gpu_increment_reject(thr_id); | ||
| cudaMemset(d_resNonce[thr_id], 0xff, NBN*sizeof(uint32_t)); | ||
| pdata[19] = startNounce + h_resNonce[0] + 1; | ||
| continue; | ||
| } | ||
| } | ||
| 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_skunk(int thr_id) | ||
| { | ||
| if (!init[thr_id]) | ||
| return; | ||
|
|
||
| cudaThreadSynchronize(); | ||
|
|
||
| x13_fugue512_cpu_free(thr_id); | ||
| cudaFree(d_hash[thr_id]); | ||
| cudaFree(d_resNonce[thr_id]); | ||
|
|
||
| init[thr_id] = false; | ||
|
|
||
| cudaDeviceSynchronize(); | ||
| } |
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