Christian Buchner
11 years ago
6 changed files with 194 additions and 11 deletions
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extern "C" |
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{ |
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#include "sph/sph_blake.h" |
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#include "sph/sph_groestl.h" |
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#include "sph/sph_skein.h" |
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#include "sph/sph_jh.h" |
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#include "sph/sph_keccak.h" |
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#include "miner.h" |
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} |
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#include <stdint.h> |
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// aus cpu-miner.c |
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extern int device_map[8]; |
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// Speicher für Input/Output der verketteten Hashfunktionen |
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static uint32_t *d_hash[8]; |
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extern void quark_blake512_cpu_init(int thr_id, int threads); |
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extern void quark_blake512_cpu_setBlock_80(void *pdata); |
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extern void quark_blake512_cpu_hash_80(int thr_id, int threads, uint32_t startNounce, uint32_t *d_hash, int order); |
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extern void quark_groestl512_cpu_init(int thr_id, int threads); |
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extern void quark_groestl512_cpu_hash_64(int thr_id, int threads, uint32_t startNounce, uint32_t *d_nonceVector, uint32_t *d_hash, int order); |
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extern void quark_jh512_cpu_init(int thr_id, int threads); |
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extern void quark_jh512_cpu_hash_64(int thr_id, int threads, uint32_t startNounce, uint32_t *d_nonceVector, uint32_t *d_hash, int order); |
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extern void quark_keccak512_cpu_init(int thr_id, int threads); |
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extern void quark_keccak512_cpu_hash_64(int thr_id, int threads, uint32_t startNounce, uint32_t *d_nonceVector, uint32_t *d_hash, int order); |
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extern void quark_skein512_cpu_init(int thr_id, int threads); |
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extern void quark_skein512_cpu_hash_64(int thr_id, int threads, uint32_t startNounce, uint32_t *d_nonceVector, uint32_t *d_hash, int order); |
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extern void quark_check_cpu_init(int thr_id, int threads); |
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extern void quark_check_cpu_setTarget(const void *ptarget); |
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extern uint32_t quark_check_cpu_hash_64(int thr_id, int threads, uint32_t startNounce, uint32_t *d_nonceVector, uint32_t *d_inputHash, int order); |
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// Original nist5hash Funktion aus einem miner Quelltext |
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inline void nist5hash(void *state, const void *input) |
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{ |
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sph_blake512_context ctx_blake; |
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sph_groestl512_context ctx_groestl; |
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sph_jh512_context ctx_jh; |
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sph_keccak512_context ctx_keccak; |
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sph_skein512_context ctx_skein; |
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unsigned char hash[64]; |
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sph_blake512_init(&ctx_blake); |
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// ZBLAKE; |
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sph_blake512 (&ctx_blake, input, 80); |
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sph_blake512_close(&ctx_blake, (void*) hash); |
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sph_groestl512_init(&ctx_groestl); |
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// ZGROESTL; |
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sph_groestl512 (&ctx_groestl, (const void*) hash, 64); |
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sph_groestl512_close(&ctx_groestl, (void*) hash); |
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sph_jh512_init(&ctx_jh); |
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// ZJH; |
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sph_jh512 (&ctx_jh, (const void*) hash, 64); |
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sph_jh512_close(&ctx_jh, (void*) hash); |
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sph_keccak512_init(&ctx_keccak); |
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// ZKECCAK; |
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sph_keccak512 (&ctx_keccak, (const void*) hash, 64); |
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sph_keccak512_close(&ctx_keccak, (void*) hash); |
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sph_skein512_init(&ctx_skein); |
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// ZSKEIN; |
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sph_skein512 (&ctx_skein, (const void*) hash, 64); |
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sph_skein512_close(&ctx_skein, (void*) hash); |
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memcpy(state, hash, 32); |
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} |
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extern bool opt_benchmark; |
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extern "C" int scanhash_nist5(int thr_id, uint32_t *pdata, |
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const uint32_t *ptarget, uint32_t max_nonce, |
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unsigned long *hashes_done) |
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{ |
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const uint32_t first_nonce = pdata[19]; |
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// TODO: entfernen für eine Release! Ist nur zum Testen! |
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if (opt_benchmark) |
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((uint32_t*)ptarget)[7] = 0x0000ff; |
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const uint32_t Htarg = ptarget[7]; |
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const int throughput = 256*4096; // 100; |
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static bool init[8] = {0,0,0,0,0,0,0,0}; |
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if (!init[thr_id]) |
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{ |
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cudaSetDevice(device_map[thr_id]); |
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// Konstanten kopieren, Speicher belegen |
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cudaMalloc(&d_hash[thr_id], 16 * sizeof(uint32_t) * throughput); |
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quark_blake512_cpu_init(thr_id, throughput); |
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quark_groestl512_cpu_init(thr_id, throughput); |
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quark_jh512_cpu_init(thr_id, throughput); |
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quark_keccak512_cpu_init(thr_id, throughput); |
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quark_skein512_cpu_init(thr_id, throughput); |
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quark_check_cpu_init(thr_id, throughput); |
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init[thr_id] = true; |
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} |
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uint32_t endiandata[20]; |
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for (int k=0; k < 20; k++) |
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be32enc(&endiandata[k], ((uint32_t*)pdata)[k]); |
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quark_blake512_cpu_setBlock_80((void*)endiandata); |
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quark_check_cpu_setTarget(ptarget); |
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do { |
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int order = 0; |
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// erstes Blake512 Hash mit CUDA |
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quark_blake512_cpu_hash_80(thr_id, throughput, pdata[19], d_hash[thr_id], order++); |
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// das ist der unbedingte Branch für Groestl512 |
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quark_groestl512_cpu_hash_64(thr_id, throughput, pdata[19], NULL, d_hash[thr_id], order++); |
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// das ist der unbedingte Branch für JH512 |
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quark_jh512_cpu_hash_64(thr_id, throughput, pdata[19], NULL, d_hash[thr_id], order++); |
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// das ist der unbedingte Branch für Keccak512 |
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quark_keccak512_cpu_hash_64(thr_id, throughput, pdata[19], NULL, d_hash[thr_id], order++); |
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// das ist der unbedingte Branch für Skein512 |
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quark_skein512_cpu_hash_64(thr_id, throughput, pdata[19], NULL, d_hash[thr_id], order++); |
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// Scan nach Gewinner Hashes auf der GPU |
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uint32_t foundNonce = quark_check_cpu_hash_64(thr_id, throughput, pdata[19], NULL, d_hash[thr_id], order++); |
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if (foundNonce != 0xffffffff) |
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{ |
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uint32_t vhash64[8]; |
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be32enc(&endiandata[19], foundNonce); |
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nist5hash(vhash64, endiandata); |
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if ((vhash64[7]<=Htarg) && fulltest(vhash64, ptarget)) { |
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pdata[19] = foundNonce; |
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*hashes_done = foundNonce - first_nonce + 1; |
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return 1; |
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} else { |
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applog(LOG_INFO, "GPU #%d: result for nonce $%08X does not validate on CPU!", thr_id, foundNonce); |
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} |
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} |
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pdata[19] += throughput; |
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} while (pdata[19] < max_nonce && !work_restart[thr_id].restart); |
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*hashes_done = pdata[19] - first_nonce + 1; |
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return 0; |
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} |
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