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125 lines
4.0 KiB
125 lines
4.0 KiB
extern "C" { |
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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_keccak.h" |
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#include "lyra2/Lyra2.h" |
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} |
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#include "miner.h" |
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#include "cuda_helper.h" |
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static _ALIGN(64) uint64_t *d_hash[MAX_GPUS]; |
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extern void blake256_cpu_init(int thr_id, uint32_t threads); |
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extern void blake256_cpu_hash_80(const int thr_id, const uint32_t threads, const uint32_t startNonce, uint64_t *Hash, int order); |
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extern void blake256_cpu_setBlock_80(uint32_t *pdata); |
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extern void keccak256_cpu_hash_32(int thr_id, uint32_t threads, uint32_t startNonce, uint64_t *d_outputHash, int order); |
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extern void keccak256_cpu_init(int thr_id, uint32_t threads); |
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extern void skein256_cpu_hash_32(int thr_id, uint32_t threads, uint32_t startNonce, uint64_t *d_outputHash, int order); |
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extern void skein256_cpu_init(int thr_id, uint32_t threads); |
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extern void lyra2_cpu_hash_32(int thr_id, uint32_t threads, uint32_t startNonce, uint64_t *d_outputHash, int order); |
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extern void groestl256_setTarget(const void *ptarget); |
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extern uint32_t groestl256_cpu_hash_32(int thr_id, uint32_t threads, uint32_t startNounce, uint64_t *d_outputHash, int order); |
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extern void groestl256_cpu_init(int thr_id, uint32_t threads); |
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extern "C" void lyra2_hash(void *state, const void *input) |
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{ |
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sph_blake256_context ctx_blake; |
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sph_keccak256_context ctx_keccak; |
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sph_skein256_context ctx_skein; |
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sph_groestl256_context ctx_groestl; |
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uint32_t hashA[8], hashB[8]; |
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sph_blake256_init(&ctx_blake); |
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sph_blake256(&ctx_blake, input, 80); |
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sph_blake256_close(&ctx_blake, hashA); |
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sph_keccak256_init(&ctx_keccak); |
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sph_keccak256(&ctx_keccak, hashA, 32); |
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sph_keccak256_close(&ctx_keccak, hashB); |
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LYRA2(hashA, 32, hashB, 32, hashB, 32, 1, 8, 8); |
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sph_skein256_init(&ctx_skein); |
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sph_skein256(&ctx_skein, hashA, 32); |
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sph_skein256_close(&ctx_skein, hashB); |
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sph_groestl256_init(&ctx_groestl); |
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sph_groestl256(&ctx_groestl, hashB, 32); |
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sph_groestl256_close(&ctx_groestl, hashA); |
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memcpy(state, hashA, 32); |
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} |
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static bool init[MAX_GPUS] = { 0 }; |
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extern "C" int scanhash_lyra2(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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int intensity = (device_sm[device_map[thr_id]] >= 500 && !is_windows()) ? 18 : 17; |
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uint32_t throughput = device_intensity(thr_id, __func__, 1U << intensity); // 18=256*256*4; |
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throughput = min(throughput, max_nonce - first_nonce); |
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if (opt_benchmark) |
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((uint32_t*)ptarget)[7] = 0x0000ff; |
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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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blake256_cpu_init(thr_id, throughput); |
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keccak256_cpu_init(thr_id,throughput); |
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skein256_cpu_init(thr_id, throughput); |
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groestl256_cpu_init(thr_id, throughput); |
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CUDA_SAFE_CALL(cudaMalloc(&d_hash[thr_id], 16 * sizeof(uint32_t) * 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], pdata[k]); |
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blake256_cpu_setBlock_80(pdata); |
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groestl256_setTarget(ptarget); |
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do { |
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int order = 0; |
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uint32_t foundNonce; |
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blake256_cpu_hash_80(thr_id, throughput, pdata[19], d_hash[thr_id], order++); |
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keccak256_cpu_hash_32(thr_id, throughput, pdata[19], d_hash[thr_id], order++); |
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lyra2_cpu_hash_32(thr_id, throughput, pdata[19], d_hash[thr_id], order++); |
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skein256_cpu_hash_32(thr_id, throughput, pdata[19], d_hash[thr_id], order++); |
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foundNonce = groestl256_cpu_hash_32(thr_id, throughput, pdata[19], d_hash[thr_id], order++); |
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if (foundNonce != UINT32_MAX) |
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{ |
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const uint32_t Htarg = ptarget[7]; |
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uint32_t vhash64[8]; |
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be32enc(&endiandata[19], foundNonce); |
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lyra2_hash(vhash64, endiandata); |
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if (vhash64[7] <= Htarg && fulltest(vhash64, ptarget)) { |
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*hashes_done = pdata[19] - first_nonce + throughput; |
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pdata[19] = foundNonce; |
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return 1; |
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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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