Merge pull request #1705 from SChernykh/evo

KawPow: reduced stale/expired shares

src/backend/common/Worker.h

@@ -42,10 +42,11 @@ class Worker : public IWorker
 public:
     Worker(size_t id, int64_t affinity, int priority);
 
-    inline const VirtualMemory *memory() const override { return nullptr; }
-    inline size_t id() const override                   { return m_id; }
-    inline uint64_t hashCount() const override          { return m_hashCount.load(std::memory_order_relaxed); }
-    inline uint64_t timestamp() const override          { return m_timestamp.load(std::memory_order_relaxed); }
+    inline const VirtualMemory *memory() const override   { return nullptr; }
+    inline size_t id() const override                     { return m_id; }
+    inline uint64_t hashCount() const override            { return m_hashCount.load(std::memory_order_relaxed); }
+    inline uint64_t timestamp() const override            { return m_timestamp.load(std::memory_order_relaxed); }
+    inline void jobEarlyNotification(const Job&) override {}
 
 protected:
     void storeStats();

src/backend/common/Workers.h

@@ -47,6 +47,7 @@ namespace xmrig {
 
 class Hashrate;
 class WorkersPrivate;
+class Job;
 
 
 template<class T>
@@ -63,6 +64,7 @@ public:
     void start(const std::vector<T> &data);
     void stop();
     void tick(uint64_t ticks);
+    void jobEarlyNotification(const Job&);
 
 private:
     static IWorker *create(Thread<T> *handle);
@@ -73,6 +75,17 @@ private:
 };
 
 
+template<class T>
+void xmrig::Workers<T>::jobEarlyNotification(const Job& job)
+{
+    for (Thread<T>* t : m_workers) {
+        if (t->worker()) {
+            t->worker()->jobEarlyNotification(job);
+        }
+    }
+}
+
+
 template<>
 IWorker *Workers<CpuLaunchData>::create(Thread<CpuLaunchData> *handle);
 extern template class Workers<CpuLaunchData>;

src/backend/common/interfaces/IWorker.h

@@ -34,6 +34,7 @@ namespace xmrig {
 
 
 class VirtualMemory;
+class Job;
 
 
 class IWorker
@@ -48,6 +49,7 @@ public:
     virtual uint64_t hashCount() const              = 0;
     virtual uint64_t timestamp() const              = 0;
     virtual void start()                            = 0;
+    virtual void jobEarlyNotification(const Job&)   = 0;
 };
 
 

src/backend/cuda/CudaBackend.cpp

@@ -372,8 +372,11 @@ void xmrig::CudaBackend::execCommand(char)
 }
 
 
-void xmrig::CudaBackend::prepare(const Job &)
+void xmrig::CudaBackend::prepare(const Job &job)
 {
+    if (d_ptr) {
+        d_ptr->workers.jobEarlyNotification(job);
+    }
 }
 
 

src/backend/cuda/CudaWorker.cpp

@@ -118,6 +118,14 @@ xmrig::CudaWorker::~CudaWorker()
 }
 
 
+void xmrig::CudaWorker::jobEarlyNotification(const Job& job)
+{
+    if (m_runner) {
+        m_runner->jobEarlyNotification(job);
+    }
+}
+
+
 bool xmrig::CudaWorker::selfTest()
 {
     return m_runner != nullptr;

src/backend/cuda/CudaWorker.h

@@ -49,6 +49,8 @@ public:
 
     ~CudaWorker() override;
 
+    void jobEarlyNotification(const Job&) override;
+
     static std::atomic<bool> ready;
 
 protected:

src/backend/cuda/interfaces/ICudaRunner.h

@@ -52,6 +52,7 @@ public:
     virtual bool init()                                                             = 0;
     virtual bool run(uint32_t startNonce, uint32_t *rescount, uint32_t *resnonce)   = 0;
     virtual bool set(const Job &job, uint8_t *blob)                                 = 0;
+    virtual void jobEarlyNotification(const Job&)                                   = 0;
 };
 
 

src/backend/cuda/runners/CudaBaseRunner.h

@@ -52,6 +52,7 @@ protected:
     size_t intensity() const override;
     size_t roundSize() const override { return intensity(); }
     size_t processedHashes() const override { return intensity(); }
+    void jobEarlyNotification(const Job&) override {}
 
 protected:
     bool callWrapper(bool result) const;

src/backend/cuda/runners/CudaKawPowRunner.cpp

@@ -43,7 +43,7 @@ xmrig::CudaKawPowRunner::CudaKawPowRunner(size_t index, const CudaLaunchData &da
 
 bool xmrig::CudaKawPowRunner::run(uint32_t /*startNonce*/, uint32_t *rescount, uint32_t *resnonce)
 {
-    return callWrapper(CudaLib::kawPowHash(m_ctx, m_jobBlob, m_target, rescount, resnonce));
+    return callWrapper(CudaLib::kawPowHash(m_ctx, m_jobBlob, m_target, rescount, resnonce, &m_skippedHashes));
 }
 
 
@@ -75,3 +75,9 @@ bool xmrig::CudaKawPowRunner::set(const Job &job, uint8_t *blob)
 
     return result;
 }
+
+
+void xmrig::CudaKawPowRunner::jobEarlyNotification(const Job&)
+{
+    CudaLib::kawPowStopHash(m_ctx);
+}

src/backend/cuda/runners/CudaKawPowRunner.h

@@ -40,9 +40,12 @@ public:
 protected:
     bool run(uint32_t startNonce, uint32_t *rescount, uint32_t *resnonce) override;
     bool set(const Job &job, uint8_t *blob) override;
+    size_t processedHashes() const override { return intensity() - m_skippedHashes; }
+    void jobEarlyNotification(const Job&) override;
 
 private:
-    uint8_t* m_jobBlob;
+    uint8_t* m_jobBlob = nullptr;
+    uint32_t m_skippedHashes = 0;
 };
 
 

src/backend/cuda/wrappers/CudaLib.cpp

@@ -67,6 +67,7 @@ static const char *kRxHash                              = "rxHash";
 static const char *kRxPrepare                           = "rxPrepare";
 static const char *kKawPowHash                          = "kawPowHash";
 static const char *kKawPowPrepare                       = "kawPowPrepare";
+static const char *kKawPowStopHash                      = "kawPowStopHash";
 static const char *kSetJob                              = "setJob";
 static const char *kSetJob_v2                           = "setJob_v2";
 static const char *kVersion                             = "version";
@@ -90,8 +91,9 @@ using pluginVersion_t                                   = const char * (*)();
 using release_t                                         = void (*)(nvid_ctx *);
 using rxHash_t                                          = bool (*)(nvid_ctx *, uint32_t, uint64_t, uint32_t *, uint32_t *);
 using rxPrepare_t                                       = bool (*)(nvid_ctx *, const void *, size_t, bool, uint32_t);
-using kawPowHash_t                                      = bool (*)(nvid_ctx *, uint8_t*, uint64_t, uint32_t *, uint32_t *);
+using kawPowHash_t                                      = bool (*)(nvid_ctx *, uint8_t*, uint64_t, uint32_t *, uint32_t *, uint32_t *);
 using kawPowPrepare_t                                   = bool (*)(nvid_ctx *, const void *, size_t, size_t, uint32_t, const uint64_t*);
+using kawPowStopHash_t                                  = bool (*)(nvid_ctx *);
 using setJob_t                                          = bool (*)(nvid_ctx *, const void *, size_t, int32_t);
 using setJob_v2_t                                       = bool (*)(nvid_ctx *, const void *, size_t, const char *);
 using version_t                                         = uint32_t (*)(Version);
@@ -117,6 +119,7 @@ static rxHash_t pRxHash                                 = nullptr;
 static rxPrepare_t pRxPrepare                           = nullptr;
 static kawPowHash_t pKawPowHash                         = nullptr;
 static kawPowPrepare_t pKawPowPrepare                   = nullptr;
+static kawPowStopHash_t pKawPowStopHash                 = nullptr;
 static setJob_t pSetJob                                 = nullptr;
 static setJob_v2_t pSetJob_v2                           = nullptr;
 static version_t pVersion                               = nullptr;
@@ -205,9 +208,9 @@ bool xmrig::CudaLib::rxPrepare(nvid_ctx *ctx, const void *dataset, size_t datase
 }
 
 
-bool xmrig::CudaLib::kawPowHash(nvid_ctx *ctx, uint8_t* job_blob, uint64_t target, uint32_t *rescount, uint32_t *resnonce) noexcept
+bool xmrig::CudaLib::kawPowHash(nvid_ctx *ctx, uint8_t* job_blob, uint64_t target, uint32_t *rescount, uint32_t *resnonce, uint32_t *skipped_hashes) noexcept
 {
-    return pKawPowHash(ctx, job_blob, target, rescount, resnonce);
+    return pKawPowHash(ctx, job_blob, target, rescount, resnonce, skipped_hashes);
 }
 
 
@@ -217,6 +220,12 @@ bool xmrig::CudaLib::kawPowPrepare(nvid_ctx *ctx, const void* cache, size_t cach
 }
 
 
+bool xmrig::CudaLib::kawPowStopHash(nvid_ctx *ctx) noexcept
+{
+    return pKawPowStopHash(ctx);
+}
+
+
 bool xmrig::CudaLib::setJob(nvid_ctx *ctx, const void *data, size_t size, const Algorithm &algorithm) noexcept
 {
     const Algorithm algo = RxAlgo::id(algorithm);
@@ -367,6 +376,7 @@ bool xmrig::CudaLib::load()
         DLSYM(AstroBWTPrepare);
         DLSYM(KawPowHash);
         DLSYM(KawPowPrepare);
+        DLSYM(KawPowStopHash);
         DLSYM(Version);
 
         if (!pDeviceInfo_v2) {

src/backend/cuda/wrappers/CudaLib.h

@@ -80,8 +80,9 @@ public:
     static bool deviceInit(nvid_ctx *ctx) noexcept;
     static bool rxHash(nvid_ctx *ctx, uint32_t startNonce, uint64_t target, uint32_t *rescount, uint32_t *resnonce) noexcept;
     static bool rxPrepare(nvid_ctx *ctx, const void *dataset, size_t datasetSize, bool dataset_host, uint32_t batchSize) noexcept;
-    static bool kawPowHash(nvid_ctx *ctx, uint8_t* job_blob, uint64_t target, uint32_t *rescount, uint32_t *resnonce) noexcept;
+    static bool kawPowHash(nvid_ctx *ctx, uint8_t* job_blob, uint64_t target, uint32_t *rescount, uint32_t *resnonce, uint32_t *skipped_hashes) noexcept;
     static bool kawPowPrepare(nvid_ctx *ctx, const void* cache, size_t cache_size, size_t dag_size, uint32_t height, const uint64_t* dag_sizes) noexcept;
+    static bool kawPowStopHash(nvid_ctx *ctx) noexcept;
     static bool setJob(nvid_ctx *ctx, const void *data, size_t size, const Algorithm &algorithm) noexcept;
     static const char *deviceName(nvid_ctx *ctx) noexcept;
     static const char *lastError(nvid_ctx *ctx) noexcept;

src/backend/opencl/OclBackend.cpp

@@ -350,8 +350,11 @@ void xmrig::OclBackend::execCommand(char)
 }
 
 
-void xmrig::OclBackend::prepare(const Job &)
+void xmrig::OclBackend::prepare(const Job &job)
 {
+    if (d_ptr) {
+        d_ptr->workers.jobEarlyNotification(job);
+    }
 }
 
 

src/backend/opencl/OclWorker.cpp

@@ -139,6 +139,14 @@ xmrig::OclWorker::~OclWorker()
 }
 
 
+void xmrig::OclWorker::jobEarlyNotification(const Job& job)
+{
+    if (m_runner) {
+        m_runner->jobEarlyNotification(job);
+    }
+}
+
+
 bool xmrig::OclWorker::selfTest()
 {
     return m_runner != nullptr;

src/backend/opencl/OclWorker.h

@@ -38,6 +38,7 @@ namespace xmrig {
 
 
 class IOclRunner;
+class Job;
 
 
 class OclWorker : public Worker
@@ -49,6 +50,8 @@ public:
 
     ~OclWorker() override;
 
+    void jobEarlyNotification(const Job&) override;
+
     static std::atomic<bool> ready;
 
 protected:

src/backend/opencl/cl/kawpow/kawpow.cl

@@ -133,14 +133,22 @@ typedef struct
 #if PLATFORM != OPENCL_PLATFORM_NVIDIA  // use maxrregs on nv
 __attribute__((reqd_work_group_size(GROUP_SIZE, 1, 1)))
 #endif
-__kernel void progpow_search(__global dag_t const* g_dag, __global uint* job_blob, ulong target, uint hack_false, volatile __global uint* results)
+__kernel void progpow_search(__global dag_t const* g_dag, __global uint* job_blob, ulong target, uint hack_false, volatile __global uint* results, volatile __global uint* stop)
 {
+    const uint32_t lid = get_local_id(0);
+    const uint32_t gid = get_global_id(0);
+
+    if (stop[0]) {
+        if (lid == 0) {
+            // Count groups of skipped hashes (if we don't count them we'll break hashrate display)
+            atomic_inc(stop + 1);
+        }
+        return;
+    }
+
     __local shuffle_t share[HASHES_PER_GROUP];
     __local uint32_t c_dag[PROGPOW_CACHE_WORDS];
 
-    uint32_t const lid = get_local_id(0);
-    uint32_t const gid = get_global_id(0);
-
     const uint32_t lane_id = lid & (PROGPOW_LANES - 1);
     const uint32_t group_id = lid / PROGPOW_LANES;
 
@@ -271,6 +279,8 @@ __kernel void progpow_search(__global dag_t const* g_dag, __global uint* job_blo
 
     if (result <= target)
     {
+        *stop = 1;
+
         const uint k = atomic_inc(results) + 1;
         if (k <= 15)
             results[k] = gid;

src/backend/opencl/cl/kawpow/kawpow_cl.h

@@ -2,7 +2,7 @@
 
 namespace xmrig {
 
-static const char kawpow_cl[5773] = {
+static const char kawpow_cl[5870] = {
     0x23,0x69,0x66,0x64,0x65,0x66,0x20,0x63,0x6c,0x5f,0x63,0x6c,0x61,0x6e,0x67,0x5f,0x73,0x74,0x6f,0x72,0x61,0x67,0x65,0x5f,0x63,0x6c,0x61,0x73,0x73,0x5f,0x73,0x70,
     0x65,0x63,0x69,0x66,0x69,0x65,0x72,0x73,0x0a,0x23,0x70,0x72,0x61,0x67,0x6d,0x61,0x20,0x4f,0x50,0x45,0x4e,0x43,0x4c,0x20,0x45,0x58,0x54,0x45,0x4e,0x53,0x49,0x4f,
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@@ -110,80 +110,83 @@ static const char kawpow_cl[5773] = {
     0x68,0x28,0x5f,0x5f,0x67,0x6c,0x6f,0x62,0x61,0x6c,0x20,0x64,0x61,0x67,0x5f,0x74,0x20,0x63,0x6f,0x6e,0x73,0x74,0x2a,0x20,0x67,0x5f,0x64,0x61,0x67,0x2c,0x5f,0x5f,
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+    0x6e,0x63,0x28,0x72,0x65,0x73,0x75,0x6c,0x74,0x73,0x29,0x2b,0x31,0x3b,0x0a,0x69,0x66,0x28,0x6b,0x3c,0x3d,0x31,0x35,0x29,0x0a,0x72,0x65,0x73,0x75,0x6c,0x74,0x73,
+    0x5b,0x6b,0x5d,0x3d,0x67,0x69,0x64,0x3b,0x0a,0x7d,0x0a,0x7d,0x0a,0x00
 };
 
 } // namespace xmrig

src/backend/opencl/generators/ocl_generic_kawpow_generator.cpp

@@ -53,7 +53,10 @@ bool ocl_generic_kawpow_generator(const OclDevice &device, const Algorithm &algo
         break;
     }
 
-    threads.add(OclThread(device.index(), device.computeUnits() * 262144, isNavi ? 128 : 256, 1));
+    const uint32_t cu_intensity = isNavi ? 524288 : 262144;
+    const uint32_t worksize = isNavi ? 128 : 256;
+    threads.add(OclThread(device.index(), device.computeUnits() * cu_intensity, worksize, 1));
+
     return true;
 }
 

src/backend/opencl/interfaces/IOclRunner.h

@@ -66,6 +66,7 @@ public:
     virtual void init()                                     = 0;
     virtual void run(uint32_t nonce, uint32_t *hashOutput)  = 0;
     virtual void set(const Job &job, uint8_t *blob)         = 0;
+    virtual void jobEarlyNotification(const Job&)           = 0;
 
 protected:
     virtual size_t bufferSize() const                       = 0;

src/backend/opencl/runners/OclBaseRunner.h

@@ -49,16 +49,17 @@ public:
     ~OclBaseRunner() override;
 
 protected:
-    inline cl_context ctx() const override              { return m_ctx; }
-    inline const Algorithm &algorithm() const override  { return m_algorithm; }
-    inline const char *buildOptions() const override    { return m_options.c_str(); }
-    inline const char *deviceKey() const override       { return m_deviceKey.c_str(); }
-    inline const char *source() const override          { return m_source; }
-    inline const OclLaunchData &data() const override   { return m_data; }
-    inline size_t intensity() const override            { return m_intensity; }
-    inline size_t threadId() const override             { return m_threadId; }
-    inline uint32_t roundSize() const override          { return m_intensity; }
-    inline uint32_t processedHashes() const override    { return m_intensity; }
+    inline cl_context ctx() const override                { return m_ctx; }
+    inline const Algorithm &algorithm() const override    { return m_algorithm; }
+    inline const char *buildOptions() const override      { return m_options.c_str(); }
+    inline const char *deviceKey() const override         { return m_deviceKey.c_str(); }
+    inline const char *source() const override            { return m_source; }
+    inline const OclLaunchData &data() const override     { return m_data; }
+    inline size_t intensity() const override              { return m_intensity; }
+    inline size_t threadId() const override               { return m_threadId; }
+    inline uint32_t roundSize() const override            { return m_intensity; }
+    inline uint32_t processedHashes() const override      { return m_intensity; }
+    inline void jobEarlyNotification(const Job&) override {}
 
     size_t bufferSize() const override;
     uint32_t deviceIndex() const override;

src/backend/opencl/runners/OclKawPowRunner.cpp

@@ -71,6 +71,9 @@ OclKawPowRunner::~OclKawPowRunner()
 
     OclLib::release(m_searchKernel);
 
+    OclLib::release(m_controlQueue);
+    OclLib::release(m_stop);
+
     OclKawPow::clear();
 }
 
@@ -83,8 +86,11 @@ void OclKawPowRunner::run(uint32_t nonce, uint32_t *hashOutput)
 
     enqueueWriteBuffer(m_input, CL_FALSE, 0, 40, m_blob);
 
-    const uint32_t zero = 0;
-    enqueueWriteBuffer(m_output, CL_FALSE, 0, sizeof(uint32_t), &zero);
+    const uint32_t zero[2] = {};
+    enqueueWriteBuffer(m_output, CL_FALSE, 0, sizeof(uint32_t), zero);
+    enqueueWriteBuffer(m_stop, CL_FALSE, 0, sizeof(uint32_t) * 2, zero);
+
+    m_skippedHashes = 0;
 
     const cl_int ret = OclLib::enqueueNDRangeKernel(m_queue, m_searchKernel, 1, &global_work_offset, &global_work_size, &local_work_size, 0, nullptr, nullptr);
     if (ret != CL_SUCCESS) {
@@ -94,9 +100,14 @@ void OclKawPowRunner::run(uint32_t nonce, uint32_t *hashOutput)
         throw std::runtime_error(OclError::toString(ret));
     }
 
+    uint32_t stop[2] = {};
+    enqueueReadBuffer(m_stop, CL_FALSE, 0, sizeof(stop), stop);
+
     uint32_t output[16] = {};
     enqueueReadBuffer(m_output, CL_TRUE, 0, sizeof(output), output);
 
+    m_skippedHashes = stop[1] * m_workGroupSize;
+
     if (output[0] > 15) {
         output[0] = 15;
     }
@@ -166,12 +177,23 @@ void OclKawPowRunner::set(const Job &job, uint8_t *blob)
     OclLib::setKernelArg(m_searchKernel, 2, sizeof(target), &target);
     OclLib::setKernelArg(m_searchKernel, 3, sizeof(hack_false), &hack_false);
     OclLib::setKernelArg(m_searchKernel, 4, sizeof(m_output), &m_output);
+    OclLib::setKernelArg(m_searchKernel, 5, sizeof(m_stop), &m_stop);
 
     m_blob = blob;
     enqueueWriteBuffer(m_input, CL_TRUE, 0, sizeof(m_blob), m_blob);
 }
 
 
+void OclKawPowRunner::jobEarlyNotification(const Job&)
+{
+    const uint32_t one = 1;
+    const cl_int ret = OclLib::enqueueWriteBuffer(m_controlQueue, m_stop, CL_TRUE, 0, sizeof(one), &one, 0, nullptr, nullptr);
+    if (ret != CL_SUCCESS) {
+        throw std::runtime_error(OclError::toString(ret));
+    }
+}
+
+
 void xmrig::OclKawPowRunner::build()
 {
     OclBaseRunner::build();
@@ -183,6 +205,9 @@ void xmrig::OclKawPowRunner::build()
 void xmrig::OclKawPowRunner::init()
 {
     OclBaseRunner::init();
+
+    m_controlQueue = OclLib::createCommandQueue(m_ctx, data().device.id());
+    m_stop = OclLib::createBuffer(m_ctx, CL_MEM_READ_ONLY, sizeof(uint32_t) * 2);
 }
 
 } // namespace xmrig

src/backend/opencl/runners/OclKawPowRunner.h

@@ -50,9 +50,12 @@ protected:
     void set(const Job &job, uint8_t *blob) override;
     void build() override;
     void init() override;
+    void jobEarlyNotification(const Job& job) override;
+    uint32_t processedHashes() const override { return m_intensity - m_skippedHashes; }
 
 private:
     uint8_t* m_blob = nullptr;
+    uint32_t m_skippedHashes = 0;
 
     uint32_t m_blockHeight = 0;
     uint32_t m_epoch = 0xFFFFFFFFUL;
@@ -71,6 +74,9 @@ private:
 
     size_t m_workGroupSize = 256;
     size_t m_dagWorkGroupSize = 64;
+
+    cl_command_queue m_controlQueue = nullptr;
+    cl_mem m_stop = nullptr;
 };