mirror of
https://github.com/GOSTSec/ccminer
synced 2025-01-08 22:07:56 +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...
108 lines
2.4 KiB
C++
108 lines
2.4 KiB
C++
#include <string.h>
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#include <stdint.h>
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#include <cuda_runtime.h>
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#include <openssl/sha.h>
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#include "sph/sph_groestl.h"
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#include "cuda_groestlcoin.h"
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#include "miner.h"
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// CPU hash
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void groestlhash(void *state, const void *input)
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{
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uint32_t _ALIGN(64) hash[16];
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sph_groestl512_context ctx_groestl;
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sph_groestl512_init(&ctx_groestl);
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sph_groestl512(&ctx_groestl, input, 80);
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sph_groestl512_close(&ctx_groestl, hash);
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sph_groestl512_init(&ctx_groestl);
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sph_groestl512(&ctx_groestl, hash, 64);
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sph_groestl512_close(&ctx_groestl, 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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int scanhash_groestlcoin(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[32];
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uint32_t *pdata = work->data;
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uint32_t *ptarget = work->target;
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uint32_t start_nonce = pdata[19];
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uint32_t throughput = cuda_default_throughput(thr_id, 1 << 19); // 256*256*8
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if (init[thr_id]) throughput = min(throughput, max_nonce - start_nonce);
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uint32_t *outputHash = (uint32_t*)malloc((size_t) 64* throughput);
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if (opt_benchmark)
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ptarget[7] = 0x001f;
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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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CUDA_LOG_ERROR();
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groestlcoin_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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groestlcoin_cpu_setBlock(thr_id, endiandata, (void*)ptarget);
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do {
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uint32_t foundNounce = UINT32_MAX;
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*hashes_done = pdata[19] - start_nonce + throughput;
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// GPU hash
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groestlcoin_cpu_hash(thr_id, throughput, pdata[19], outputHash, &foundNounce);
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if (foundNounce < UINT32_MAX && bench_algo < 0)
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{
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uint32_t _ALIGN(64) vhash[8];
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endiandata[19] = swab32(foundNounce);
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groestlhash(vhash, endiandata);
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if (vhash[7] <= ptarget[7] && fulltest(vhash, ptarget)) {
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work_set_target_ratio(work, vhash);
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pdata[19] = foundNounce;
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free(outputHash);
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return true;
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} else {
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gpulog(LOG_WARNING, thr_id, "result for %08x does not validate on CPU!", foundNounce);
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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] - start_nonce;
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free(outputHash);
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return 0;
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}
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// cleanup
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void free_groestlcoin(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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groestlcoin_cpu_free(thr_id);
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init[thr_id] = false;
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cudaDeviceSynchronize();
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}
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