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191 lines
4.9 KiB
191 lines
4.9 KiB
/** |
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* Made to benchmark and test algo switch |
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* |
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* 2015 - tpruvot@github |
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*/ |
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#include "miner.h" |
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#include "algos.h" |
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#include <unistd.h> |
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int bench_algo = -1; |
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static double algo_hashrates[MAX_GPUS][ALGO_COUNT] = { 0 }; |
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static uint32_t algo_throughput[MAX_GPUS][ALGO_COUNT] = { 0 }; |
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static int algo_mem_used[MAX_GPUS][ALGO_COUNT] = { 0 }; |
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static int device_mem_free[MAX_GPUS] = { 0 }; |
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static pthread_barrier_t miner_barr; |
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static pthread_barrier_t algo_barr; |
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static pthread_mutex_t bench_lock = PTHREAD_MUTEX_INITIALIZER; |
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extern double thr_hashrates[MAX_GPUS]; |
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extern volatile enum sha_algos opt_algo; |
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void bench_init(int threads) |
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{ |
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bench_algo = opt_algo = (enum sha_algos) 0; /* first */ |
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applog(LOG_BLUE, "Starting benchmark mode with %s", algo_names[opt_algo]); |
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pthread_barrier_init(&miner_barr, NULL, threads); |
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pthread_barrier_init(&algo_barr, NULL, threads); |
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// required for usage of first algo. |
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for (int n=0; n < opt_n_threads; n++) { |
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device_mem_free[n] = cuda_available_memory(n); |
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} |
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} |
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void bench_free() |
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{ |
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pthread_barrier_destroy(&miner_barr); |
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pthread_barrier_destroy(&algo_barr); |
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} |
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// required to switch algos |
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void algo_free_all(int thr_id) |
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{ |
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// only initialized algos will be freed |
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free_blake256(thr_id); |
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free_bmw(thr_id); |
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free_c11(thr_id); |
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free_deep(thr_id); |
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free_keccak256(thr_id); |
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free_fresh(thr_id); |
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free_fugue256(thr_id); |
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free_groestlcoin(thr_id); |
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free_heavy(thr_id); |
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free_jackpot(thr_id); |
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free_luffa(thr_id); |
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free_lyra2(thr_id); |
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free_lyra2v2(thr_id); |
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free_myriad(thr_id); |
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free_neoscrypt(thr_id); |
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free_nist5(thr_id); |
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free_pentablake(thr_id); |
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free_quark(thr_id); |
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free_qubit(thr_id); |
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free_skeincoin(thr_id); |
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free_skein2(thr_id); |
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free_s3(thr_id); |
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free_whirl(thr_id); |
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free_whirlx(thr_id); |
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free_x11(thr_id); |
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free_x13(thr_id); |
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free_x14(thr_id); |
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free_x15(thr_id); |
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free_x17(thr_id); |
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free_zr5(thr_id); |
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//free_sha256d(thr_id); |
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free_scrypt(thr_id); |
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free_scrypt_jane(thr_id); |
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// warn on cuda error |
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CUDA_LOG_ERROR(); |
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} |
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// benchmark all algos (called once per mining thread) |
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bool bench_algo_switch_next(int thr_id) |
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{ |
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int algo = (int) opt_algo; |
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int prev_algo = algo; |
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int dev_id = device_map[thr_id % MAX_GPUS]; |
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int mfree, mused; |
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algo++; |
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// skip some duplicated algos |
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if (algo == ALGO_C11) algo++; // same as x11 |
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if (algo == ALGO_DMD_GR) algo++; // same as groestl |
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if (algo == ALGO_WHIRLCOIN) algo++; // same as whirlpool |
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if (device_sm[dev_id] && device_sm[dev_id] < 300) { |
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// incompatible SM 2.1 kernels... |
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if (algo == ALGO_FRESH) algo++; |
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if (algo == ALGO_GROESTL) algo++; |
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if (algo == ALGO_MYR_GR) algo++; |
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if (algo == ALGO_JACKPOT) algo++; |
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if (algo == ALGO_LYRA2v2) algo++; |
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if (algo == ALGO_NEOSCRYPT) algo++; |
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if (algo == ALGO_QUARK) algo++; |
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if (algo == ALGO_QUBIT) algo++; |
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if (algo == ALGO_S3) algo++; // to check... |
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while (algo >= ALGO_X11 && algo <= ALGO_X17) algo++; |
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if (algo == ALGO_WHIRLPOOLX) algo++; |
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} |
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// and unwanted ones... |
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if (algo == ALGO_SCRYPT) algo++; |
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if (algo == ALGO_SCRYPT_JANE) algo++; |
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// free current algo memory and track mem usage |
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mused = cuda_available_memory(thr_id); |
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algo_free_all(thr_id); |
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mfree = cuda_available_memory(thr_id); |
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// we need to wait completion on all cards before the switch |
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if (opt_n_threads > 1) { |
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pthread_barrier_wait(&miner_barr); |
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} |
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char rate[32] = { 0 }; |
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double hashrate = stats_get_speed(thr_id, thr_hashrates[thr_id]); |
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format_hashrate(hashrate, rate); |
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gpulog(LOG_NOTICE, thr_id, "%s hashrate = %s", algo_names[prev_algo], rate); |
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// check if there is memory leak |
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if (device_mem_free[thr_id] > mfree) { |
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gpulog(LOG_WARNING, thr_id, "memory leak detected in %s ! %d MB free", |
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algo_names[prev_algo], mfree); |
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cuda_reset_device(thr_id, NULL); // force to free the leak |
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mfree = cuda_available_memory(thr_id); |
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} |
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// store used memory per algo |
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algo_mem_used[thr_id][opt_algo] = device_mem_free[thr_id] - mused; |
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device_mem_free[thr_id] = mfree; |
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// store to dump a table per gpu later |
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algo_hashrates[thr_id][prev_algo] = hashrate; |
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// wait the other threads to display logs correctly |
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if (opt_n_threads > 1) { |
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pthread_barrier_wait(&algo_barr); |
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} |
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if (algo == ALGO_AUTO) |
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return false; |
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// mutex primary used for the stats purge |
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pthread_mutex_lock(&bench_lock); |
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stats_purge_all(); |
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opt_algo = (enum sha_algos) algo; |
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global_hashrate = 0; |
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thr_hashrates[thr_id] = 0; // reset for minmax64 |
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pthread_mutex_unlock(&bench_lock); |
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if (thr_id == 0) |
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applog(LOG_BLUE, "Benchmark algo %s...", algo_names[algo]); |
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return true; |
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} |
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void bench_set_throughput(int thr_id, uint32_t throughput) |
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{ |
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algo_throughput[thr_id][opt_algo] = throughput; |
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} |
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void bench_display_results() |
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{ |
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for (int n=0; n < opt_n_threads; n++) |
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{ |
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int dev_id = device_map[n]; |
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applog(LOG_BLUE, "Benchmark results for GPU #%d - %s:", dev_id, device_name[dev_id]); |
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for (int i=0; i < ALGO_COUNT-1; i++) { |
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double rate = algo_hashrates[n][i]; |
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if (rate == 0.0) continue; |
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applog(LOG_INFO, "%12s : %12.1f kH/s, %5d MB, %8u thr.", algo_names[i], |
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rate / 1024., algo_mem_used[n][i], algo_throughput[n][i]); |
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} |
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} |
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} |
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