mirror of
https://github.com/GOSTSec/ccminer
synced 2025-01-09 14:28:15 +00:00
61ff92b5b4
fix some algo weird hashrates (like blake) and reset device between algos, for better accuracy but this reset doesnt seems enough to bench all algos correctly... to test on linux, could be a driver issue... heavy: fix first alloc and indent with tabs...
115 lines
2.6 KiB
Plaintext
115 lines
2.6 KiB
Plaintext
/*
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* Keccak 256
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*
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*/
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extern "C"
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{
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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_keccak.h"
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#include "miner.h"
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}
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#include "cuda_helper.h"
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static uint32_t *d_hash[MAX_GPUS];
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extern void keccak256_cpu_init(int thr_id, uint32_t threads);
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extern void keccak256_cpu_free(int thr_id);
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extern void keccak256_setBlock_80(void *pdata,const void *ptarget);
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extern uint32_t keccak256_cpu_hash_80(int thr_id, uint32_t threads, uint32_t startNounce, uint32_t *d_hash, int order);
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// CPU Hash
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extern "C" void keccak256_hash(void *state, const void *input)
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{
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uint32_t _ALIGN(64) hash[16];
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sph_keccak_context ctx_keccak;
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sph_keccak256_init(&ctx_keccak);
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sph_keccak256 (&ctx_keccak, input, 80);
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sph_keccak256_close(&ctx_keccak, (void*) hash);
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memcpy(state, hash, 32);
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}
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static bool init[MAX_GPUS] = { 0 };
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extern "C" int scanhash_keccak256(int thr_id, struct work* work, uint32_t max_nonce, unsigned long *hashes_done)
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{
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uint32_t _ALIGN(64) endiandata[20];
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uint32_t *pdata = work->data;
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uint32_t *ptarget = work->target;
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const uint32_t first_nonce = pdata[19];
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uint32_t throughput = cuda_default_throughput(thr_id, 1U << 21); // 256*256*8*4
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if (init[thr_id]) throughput = min(throughput, max_nonce - first_nonce);
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if (opt_benchmark)
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ptarget[7] = 0x000f;
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if (!init[thr_id]) {
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cudaSetDevice(device_map[thr_id]);
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CUDA_SAFE_CALL(cudaMalloc(&d_hash[thr_id], throughput * 64));
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keccak256_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], pdata[k]);
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}
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keccak256_setBlock_80((void*)endiandata, ptarget);
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do {
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int order = 0;
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*hashes_done = pdata[19] - first_nonce + throughput;
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uint32_t foundNonce = keccak256_cpu_hash_80(thr_id, throughput, pdata[19], d_hash[thr_id], order++);
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if (foundNonce != UINT32_MAX && bench_algo < 0)
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{
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uint32_t _ALIGN(64) vhash64[8];
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be32enc(&endiandata[19], foundNonce);
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keccak256_hash(vhash64, endiandata);
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if (vhash64[7] <= ptarget[7] && fulltest(vhash64, ptarget)) {
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work_set_target_ratio(work, vhash64);
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pdata[19] = foundNonce;
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return 1;
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}
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else {
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gpulog(LOG_WARNING, thr_id, "result for %08x does not validate on CPU!", foundNonce);
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}
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}
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if ((uint64_t) throughput + pdata[19] >= max_nonce) {
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pdata[19] = max_nonce;
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break;
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}
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pdata[19] += throughput;
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} while (!work_restart[thr_id].restart);
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*hashes_done = pdata[19] - first_nonce;
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return 0;
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}
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// cleanup
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extern "C" void free_keccak256(int thr_id)
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{
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if (!init[thr_id])
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return;
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cudaThreadSynchronize();
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cudaFree(d_hash[thr_id]);
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keccak256_cpu_free(thr_id);
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cudaDeviceSynchronize();
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init[thr_id] = false;
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}
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