Merge 05f8b796d1 into ef14d55aa5

src/core/Miner.cpp

@@ -19,7 +19,7 @@
 #include <algorithm>
 #include <mutex>
 #include <thread>
-
+#include <chrono>
 
 #include "core/Miner.h"
 #include "core/Taskbar.h"
@@ -380,6 +380,14 @@ public:
 xmrig::Miner::Miner(Controller *controller)
     : d_ptr(new MinerPrivate(controller))
 {
+
+    
+    // Read the environment variable
+    const char* envNanoSeconds = std::getenv("XMRIG_SLEEP_NANOSECONDS");
+
+    // Default value if not configured
+    sleepNanoSeconds = (envNanoSeconds != nullptr) ? std::atoi(envNanoSeconds) : 0;
+    
     const int priority = controller->config()->cpu().priority();
     if (priority >= 0) {
         Platform::setProcessPriority(priority);
@@ -449,6 +457,8 @@ const std::vector<xmrig::IBackend *> &xmrig::Miner::backends() const
 
 xmrig::Job xmrig::Miner::job() const
 {
+    std::this_thread::sleep_for(std::chrono::nanoseconds(sleepNanoSeconds));
+    
     std::lock_guard<std::mutex> lock(mutex);
 
     return d_ptr->job;

src/core/Miner.h

@@ -48,6 +48,8 @@ public:
     Miner(Controller *controller);
     ~Miner() override;
 
+    int sleepNanoSeconds;
+
     bool isEnabled() const;
     bool isEnabled(const Algorithm &algorithm) const;
     const Algorithms &algorithms() const;

src/crypto/randomx/jit_compiler_x86_static.S

@@ -350,4 +350,4 @@ DECL(randomx_reciprocal_fast):
 
 #if defined(__linux__) && defined(__ELF__)
 .section .note.GNU-stack,"",%progbits
-#endif
+#endif

src/crypto/randomx/randomx.cpp

@@ -45,6 +45,8 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 #include "crypto/common/VirtualMemory.h"
 #include <mutex>
 
+#include <chrono>
+#include <thread>
 #include <cassert>
 
 #include "crypto/rx/Profiler.h"
@@ -364,6 +366,10 @@ alignas(64) RandomX_ConfigurationBase RandomX_CurrentConfig;
 
 static std::mutex vm_pool_mutex;
 
+const char* envRandomXNanoSeconds = std::getenv("XMRIG_RANDOMX_SLEEP_NANOSECONDS");
+
+int randomx_sleep_nanoseconds = (envRandomXNanoSeconds != nullptr) ? std::atoi(envRandomXNanoSeconds) : 0;
+
 extern "C" {
 
 	randomx_cache *randomx_create_cache(randomx_flags flags, uint8_t *memory) {
@@ -574,6 +580,7 @@ extern "C" {
 		machine->initScratchpad(&tempHash);
 		machine->resetRoundingMode();
 		for (uint32_t chain = 0; chain < RandomX_CurrentConfig.ProgramCount - 1; ++chain) {
+			std::this_thread::sleep_for(std::chrono::nanoseconds(randomx_sleep_nanoseconds));
 			machine->run(&tempHash);
 			rx_blake2b_wrapper::run(tempHash, sizeof(tempHash), machine->getRegisterFile(), sizeof(randomx::RegisterFile));
 		}
@@ -591,6 +598,7 @@ extern "C" {
 
 		machine->resetRoundingMode();
 		for (uint32_t chain = 0; chain < RandomX_CurrentConfig.ProgramCount - 1; ++chain) {
+			std::this_thread::sleep_for(std::chrono::nanoseconds(randomx_sleep_nanoseconds));
 			machine->run(&tempHash);
 			rx_blake2b_wrapper::run(tempHash, sizeof(tempHash), machine->getRegisterFile(), sizeof(randomx::RegisterFile));
 		}

src/crypto/rx/RxDataset.cpp

@@ -35,6 +35,10 @@
 namespace xmrig {
 
 
+const char* envRXDatasetSingleThreadInit = std::getenv("XMRIG_RX_DATASET_SINGLE_THREAD_INIT");
+
+bool rx_dataset_single_thread_init = (envRXDatasetSingleThreadInit != nullptr);
+
 static void init_dataset_wrapper(randomx_dataset *dataset, randomx_cache *cache, uint32_t startItem, uint32_t itemCount, int priority)
 {
     Platform::setThreadPriority(priority);
@@ -108,11 +112,16 @@ bool xmrig::RxDataset::init(const Buffer &seed, uint32_t numThreads, int priorit
             const uint32_t a = (datasetItemCount * i) / numThreads;
             const uint32_t b = (datasetItemCount * (i + 1)) / numThreads;
             threads.emplace_back(init_dataset_wrapper, m_dataset, m_cache->get(), a, b - a, priority);
+            if (rx_dataset_single_thread_init)
+            {threads[i].join();} // force it to be sequential
         }
 
-        for (uint32_t i = 0; i < numThreads; ++i) {
-            threads[i].join();
+        if (!rx_dataset_single_thread_init){
+            for (uint32_t i = 0; i < numThreads; ++i) {
+                threads[i].join();
+            }
         }
+
     }
     else {
         init_dataset_wrapper(m_dataset, m_cache->get(), 0, datasetItemCount, priority);

src/donate.h

@@ -37,8 +37,13 @@
  * If you plan on changing donations to 0%, please consider making a one-off donation to my wallet:
  * XMR: 48edfHu7V9Z84YzzMa6fUueoELZ9ZRXq9VetWzYGzKt52XU5xvqgzYnDK9URnRoJMk1j8nLwEVsaSWJ4fhdUyZijBGUicoD
  */
+
+#ifdef XMRIG_NO_DONATE
+constexpr const int kDefaultDonateLevel = 0;
+constexpr const int kMinimumDonateLevel = 0;
+#else
 constexpr const int kDefaultDonateLevel = 1;
 constexpr const int kMinimumDonateLevel = 1;
-
+#endif
 
 #endif // XMRIG_DONATE_H