diff options
Diffstat (limited to 'xmrstak/backend/nvidia/minethd.cpp')
-rw-r--r-- | xmrstak/backend/nvidia/minethd.cpp | 83 |
1 files changed, 63 insertions, 20 deletions
diff --git a/xmrstak/backend/nvidia/minethd.cpp b/xmrstak/backend/nvidia/minethd.cpp index 5564596..153e4e3 100644 --- a/xmrstak/backend/nvidia/minethd.cpp +++ b/xmrstak/backend/nvidia/minethd.cpp @@ -80,14 +80,22 @@ minethd::minethd(miner_work& pWork, size_t iNo, const jconf::thd_cfg& cfg) ctx.syncMode = cfg.syncMode; this->affinity = cfg.cpu_aff; - std::unique_lock<std::mutex> lck(thd_aff_set); - std::future<void> order_guard = order_fix.get_future(); + std::future<void> numa_guard = numa_promise.get_future(); + thread_work_guard = thread_work_promise.get_future(); oWorkThd = std::thread(&minethd::work_main, this); - order_guard.wait(); + /* Wait until the gpu memory is initialized and numa cpu memory is pinned. + * The startup time is reduced if the memory is initialized in sequential order + * without concurrent threads (CUDA driver is less occupied). + */ + numa_guard.wait(); +} - if(affinity >= 0) //-1 means no affinity +void minethd::start_mining() +{ + thread_work_promise.set_value(); + if(this->affinity >= 0) //-1 means no affinity if(!cpu::minethd::thd_setaffinity(oWorkThd.native_handle(), affinity)) printer::inst()->print_msg(L1, "WARNING setting affinity failed."); } @@ -166,7 +174,7 @@ std::vector<iBackend*>* minethd::thread_starter(uint32_t threadOffset, miner_wor if(cfg.cpu_aff >= 0) { #if defined(__APPLE__) - printer::inst()->print_msg(L1, "WARNING on MacOS thread affinity is only advisory."); + printer::inst()->print_msg(L1, "WARNING on macOS thread affinity is only advisory."); #endif printer::inst()->print_msg(L1, "Starting NVIDIA GPU thread %d, affinity: %d.", i, (int)cfg.cpu_aff); @@ -179,6 +187,11 @@ std::vector<iBackend*>* minethd::thread_starter(uint32_t threadOffset, miner_wor } + for (i = 0; i < n; i++) + { + static_cast<minethd*>((*pvThreads)[i])->start_mining(); + } + return pvThreads; } @@ -208,26 +221,36 @@ void minethd::work_main() if(affinity >= 0) //-1 means no affinity bindMemoryToNUMANode(affinity); - order_fix.set_value(); - std::unique_lock<std::mutex> lck(thd_aff_set); - lck.release(); + if(cuda_get_deviceinfo(&ctx) != 0 || cryptonight_extra_cpu_init(&ctx) != 1) + { + printer::inst()->print_msg(L0, "Setup failed for GPU %d. Exitting.\n", (int)iThreadNo); + std::exit(0); + } + + // numa memory bind and gpu memory is initialized + numa_promise.set_value(); + std::this_thread::yield(); + // wait until all NVIDIA devices are initialized + thread_work_guard.wait(); uint64_t iCount = 0; cryptonight_ctx* cpu_ctx; cpu_ctx = cpu::minethd::minethd_alloc_ctx(); - cn_hash_fun hash_fun = cpu::minethd::func_selector(::jconf::inst()->HaveHardwareAes(), true /*bNoPrefetch*/, ::jconf::inst()->IsCurrencyMonero()); + auto miner_algo = ::jconf::inst()->GetMiningAlgo(); + cn_hash_fun hash_fun; + if(miner_algo == cryptonight_monero || miner_algo == cryptonight_heavy) + { + // start with cryptonight and switch later if fork version is reached + hash_fun = cpu::minethd::func_selector(::jconf::inst()->HaveHardwareAes(), true /*bNoPrefetch*/, cryptonight); + } + else + hash_fun = cpu::minethd::func_selector(::jconf::inst()->HaveHardwareAes(), true /*bNoPrefetch*/, miner_algo); uint32_t iNonce; globalStates::inst().iConsumeCnt++; - if(cuda_get_deviceinfo(&ctx) != 0 || cryptonight_extra_cpu_init(&ctx) != 1) - { - printer::inst()->print_msg(L0, "Setup failed for GPU %d. Exitting.\n", (int)iThreadNo); - std::exit(0); - } - - bool mineMonero = strcmp_i(::jconf::inst()->GetCurrency(), "monero"); + uint8_t version = 0; while (bQuit == 0) { @@ -242,6 +265,16 @@ void minethd::work_main() std::this_thread::sleep_for(std::chrono::milliseconds(100)); consume_work(); + uint8_t new_version = oWork.getVersion(); + if(miner_algo == cryptonight_monero && version < 7 && new_version >= 7) + { + hash_fun = cpu::minethd::func_selector(::jconf::inst()->HaveHardwareAes(), true /*bNoPrefetch*/, cryptonight_monero); + } + else if(miner_algo == cryptonight_heavy && version < 3 && new_version >= 3) + { + hash_fun = cpu::minethd::func_selector(::jconf::inst()->HaveHardwareAes(), true /*bNoPrefetch*/, cryptonight_heavy); + } + version = new_version; continue; } @@ -266,11 +299,11 @@ void minethd::work_main() uint32_t foundNonce[10]; uint32_t foundCount; - cryptonight_extra_cpu_prepare(&ctx, iNonce); + cryptonight_extra_cpu_prepare(&ctx, iNonce, miner_algo, version); - cryptonight_core_cpu_hash(&ctx, mineMonero); + cryptonight_core_cpu_hash(&ctx, miner_algo, iNonce, version); - cryptonight_extra_cpu_final(&ctx, iNonce, oWork.iTarget, &foundCount, foundNonce); + cryptonight_extra_cpu_final(&ctx, iNonce, oWork.iTarget, &foundCount, foundNonce, miner_algo, version); for(size_t i = 0; i < foundCount; i++) { @@ -287,7 +320,7 @@ void minethd::work_main() if ( (*((uint64_t*)(bResult + 24))) < oWork.iTarget) executor::inst()->push_event(ex_event(job_result(oWork.sJobID, foundNonce[i], bResult, iThreadNo), oWork.iPoolId)); else - executor::inst()->push_event(ex_event("NVIDIA Invalid Result", oWork.iPoolId)); + executor::inst()->push_event(ex_event("NVIDIA Invalid Result", ctx.device_id, oWork.iPoolId)); } iCount += h_per_round; @@ -301,6 +334,16 @@ void minethd::work_main() } consume_work(); + uint8_t new_version = oWork.getVersion(); + if(miner_algo == cryptonight_monero && version < 7 && new_version >= 7) + { + hash_fun = cpu::minethd::func_selector(::jconf::inst()->HaveHardwareAes(), true /*bNoPrefetch*/, cryptonight_monero); + } + else if(miner_algo == cryptonight_heavy && version < 3 && new_version >= 3) + { + hash_fun = cpu::minethd::func_selector(::jconf::inst()->HaveHardwareAes(), true /*bNoPrefetch*/, cryptonight_heavy); + } + version = new_version; } } |