Browse Source
Cleaned up and adapted to my changes (cputest added) Remove Makefile.in which should be in gitignore (Plz refresh it with ./config.sh to compile on linux)master
Tanguy Pruvot
10 years ago
11 changed files with 301 additions and 1514 deletions
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/** |
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* Fresh algorithm |
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*/ |
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extern "C" { |
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#include "sph/sph_shavite.h" |
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#include "sph/sph_simd.h" |
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#include "sph/sph_echo.h" |
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#include "miner.h" |
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#include "cuda_helper.h" |
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} |
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// to test gpu hash on a null buffer |
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#define NULLTEST 0 |
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static uint32_t *d_hash[8]; |
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extern int device_map[8]; |
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extern bool opt_benchmark; |
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extern void x11_shavite512_cpu_init(int thr_id, int threads); |
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extern void x11_shavite512_setBlock_80(void *pdata); |
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extern void x11_shavite512_cpu_hash_80(int thr_id, int threads, uint32_t startNounce, uint32_t *d_hash, int order); |
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extern void x11_shavite512_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 x11_simd512_cpu_init(int thr_id, int threads); |
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extern void x11_simd512_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 x11_echo512_cpu_init(int thr_id, int threads); |
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extern void x11_echo512_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 cuda_check_cpu_init(int thr_id, int threads); |
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extern void cuda_check_cpu_setTarget(const void *ptarget); |
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extern uint32_t cuda_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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extern void quark_compactTest_cpu_init(int thr_id, int threads); |
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extern void quark_compactTest_cpu_hash_64(int thr_id, int threads, uint32_t startNounce, uint32_t *inpHashes, |
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uint32_t *d_noncesTrue, size_t *nrmTrue, uint32_t *d_noncesFalse, size_t *nrmFalse, |
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int order); |
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// CPU Hash |
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extern "C" void fresh_hash(void *state, const void *input) |
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{ |
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// shavite-simd-shavite-simd-echo |
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sph_shavite512_context ctx_shavite; |
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sph_simd512_context ctx_simd; |
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sph_echo512_context ctx_echo; |
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unsigned char hash[128]; // uint32_t hashA[16], hashB[16]; |
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#define hashA hash |
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#define hashB hash+64 |
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memset(hash, 0, sizeof hash); |
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sph_shavite512_init(&ctx_shavite); |
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sph_shavite512(&ctx_shavite, input, 80); |
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sph_shavite512_close(&ctx_shavite, hashA); |
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sph_simd512_init(&ctx_simd); |
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sph_simd512(&ctx_simd, hashA, 64); |
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sph_simd512_close(&ctx_simd, hashB); |
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sph_shavite512_init(&ctx_shavite); |
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sph_shavite512(&ctx_shavite, hashB, 64); |
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sph_shavite512_close(&ctx_shavite, hashA); |
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sph_simd512_init(&ctx_simd); |
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sph_simd512(&ctx_simd, hashA, 64); |
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sph_simd512_close(&ctx_simd, hashB); |
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sph_echo512_init(&ctx_echo); |
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sph_echo512(&ctx_echo, hashB, 64); |
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sph_echo512_close(&ctx_echo, hashA); |
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memcpy(state, hash, 32); |
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} |
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#if NULLTEST |
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static void print_hash(unsigned char *hash) |
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{ |
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for (int i=0; i < 32; i += 4) { |
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printf("%02x%02x%02x%02x ", hash[i], hash[i+1], hash[i+2], hash[i+3]); |
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} |
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} |
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#endif |
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extern "C" int scanhash_fresh(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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const int throughput = 256*256*8; |
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static bool init[8] = {0,0,0,0,0,0,0,0}; |
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uint32_t endiandata[20]; |
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uint32_t Htarg = ptarget[7]; |
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if (opt_benchmark) |
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((uint32_t*)ptarget)[7] = Htarg = 0x0000ff; |
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#if NULLTEST |
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for (int k=0; k < 20; k++) |
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pdata[k] = 0; |
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#endif |
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if (!init[thr_id]) |
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{ |
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CUDA_SAFE_CALL(cudaSetDevice(device_map[thr_id])); |
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CUDA_SAFE_CALL(cudaMalloc(&d_hash[thr_id], 16 * sizeof(uint32_t) * throughput + 4)); |
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x11_shavite512_cpu_init(thr_id, throughput); |
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x11_simd512_cpu_init(thr_id, throughput); |
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x11_echo512_cpu_init(thr_id, throughput); |
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cuda_check_cpu_init(thr_id, throughput); |
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init[thr_id] = true; |
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} |
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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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x11_shavite512_setBlock_80((void*)endiandata); |
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cuda_check_cpu_setTarget(ptarget); |
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do { |
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uint32_t foundNonce; |
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int order = 0; |
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// GPU Hash |
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x11_shavite512_cpu_hash_80(thr_id, throughput, pdata[19], d_hash[thr_id], order++); |
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x11_simd512_cpu_hash_64(thr_id, throughput, pdata[19], NULL, d_hash[thr_id], order++); |
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x11_shavite512_cpu_hash_64(thr_id, throughput, pdata[19], NULL, d_hash[thr_id], order++); |
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x11_simd512_cpu_hash_64(thr_id, throughput, pdata[19], NULL, d_hash[thr_id], order++); |
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x11_echo512_cpu_hash_64(thr_id, throughput, pdata[19], NULL, d_hash[thr_id], order++); |
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#if NULLTEST |
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uint32_t buf[8]; memset(buf, 0, sizeof buf); |
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CUDA_SAFE_CALL(cudaMemcpy(buf, d_hash[thr_id], sizeof buf, cudaMemcpyDeviceToHost)); |
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CUDA_SAFE_CALL(cudaThreadSynchronize()); |
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print_hash((unsigned char*)buf); printf("\n"); |
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#endif |
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foundNonce = cuda_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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fresh_hash(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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} |
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else if (vhash64[7] > Htarg) { |
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applog(LOG_INFO, "GPU #%d: result for %08x is not in range: %x > %x", thr_id, foundNonce, vhash64[7], Htarg); |
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} |
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else { |
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applog(LOG_INFO, "GPU #%d: result for %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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