diff --git a/src/backend/common/Tags.h b/src/backend/common/Tags.h
index 762f8f2e7..0e2982759 100644
--- a/src/backend/common/Tags.h
+++ b/src/backend/common/Tags.h
@@ -47,11 +47,6 @@ const char *cuda_tag();
 #endif
 
 
-#ifdef XMRIG_ALGO_RANDOMX
-const char *rx_tag();
-#endif
-
-
 } // namespace xmrig
 
 
diff --git a/src/backend/cpu/interfaces/ICpuInfo.h b/src/backend/cpu/interfaces/ICpuInfo.h
index c33d26daa..dd740a180 100644
--- a/src/backend/cpu/interfaces/ICpuInfo.h
+++ b/src/backend/cpu/interfaces/ICpuInfo.h
@@ -28,6 +28,7 @@
 
 #include "backend/cpu/CpuThreads.h"
 #include "base/crypto/Algorithm.h"
+#include "base/tools/Object.h"
 #include "crypto/common/Assembly.h"
 
 
@@ -37,6 +38,8 @@ namespace xmrig {
 class ICpuInfo
 {
 public:
+    XMRIG_DISABLE_COPY_MOVE(ICpuInfo)
+
     enum Vendor : uint32_t {
         VENDOR_UNKNOWN,
         VENDOR_INTEL,
@@ -66,6 +69,7 @@ public:
         FLAG_MAX
     };
 
+    ICpuInfo()          = default;
     virtual ~ICpuInfo() = default;
 
 #   if defined(__x86_64__) || defined(_M_AMD64) || defined (__arm64__) || defined (__aarch64__)
diff --git a/src/base/crypto/Algorithm.cpp b/src/base/crypto/Algorithm.cpp
index e71ca168d..778bee760 100644
--- a/src/base/crypto/Algorithm.cpp
+++ b/src/base/crypto/Algorithm.cpp
@@ -135,6 +135,12 @@ static AlgoName const algorithm_names[] = {
 } /* namespace xmrig */
 
 
+xmrig::Algorithm::Algorithm(const rapidjson::Value &value) :
+    m_id(parse(value.GetString()))
+{
+}
+
+
 rapidjson::Value xmrig::Algorithm::toJSON() const
 {
     using namespace rapidjson;
@@ -143,6 +149,12 @@ rapidjson::Value xmrig::Algorithm::toJSON() const
 }
 
 
+rapidjson::Value xmrig::Algorithm::toJSON(rapidjson::Document &) const
+{
+    return toJSON();
+}
+
+
 size_t xmrig::Algorithm::l2() const
 {
 #   ifdef XMRIG_ALGO_RANDOMX
diff --git a/src/base/crypto/Algorithm.h b/src/base/crypto/Algorithm.h
index e4a1466aa..b04765d52 100644
--- a/src/base/crypto/Algorithm.h
+++ b/src/base/crypto/Algorithm.h
@@ -92,6 +92,7 @@ public:
     inline Algorithm() = default;
     inline Algorithm(const char *algo) : m_id(parse(algo)) {}
     inline Algorithm(Id id) : m_id(id)                     {}
+    Algorithm(const rapidjson::Value &value);
 
     inline bool isCN() const                          { auto f = family(); return f == CN || f == CN_LITE || f == CN_HEAVY || f == CN_PICO; }
     inline bool isEqual(const Algorithm &other) const { return m_id == other.m_id; }
@@ -108,6 +109,7 @@ public:
     inline operator Algorithm::Id() const                 { return m_id; }
 
     rapidjson::Value toJSON() const;
+    rapidjson::Value toJSON(rapidjson::Document &doc) const;
     size_t l2() const;
     size_t l3() const;
     uint32_t maxIntensity() const;
diff --git a/src/crypto/rx/Rx.cpp b/src/crypto/rx/Rx.cpp
index 36a9c5936..4c98d85ad 100644
--- a/src/crypto/rx/Rx.cpp
+++ b/src/crypto/rx/Rx.cpp
@@ -30,7 +30,6 @@
 #include "backend/cpu/CpuConfig.h"
 #include "backend/cpu/CpuThreads.h"
 #include "base/io/log/Log.h"
-#include "base/io/log/Tags.h"
 #include "crypto/rx/RxConfig.h"
 #include "crypto/rx/RxQueue.h"
 
@@ -58,48 +57,6 @@ public:
 } // namespace xmrig
 
 
-const char *xmrig::rx_tag()
-{
-    return Tags::randomx();
-}
-
-
-bool xmrig::Rx::init(const Job &job, const RxConfig &config, const CpuConfig &cpu)
-{
-    if (job.algorithm().family() != Algorithm::RANDOM_X) {
-        if (msrInitialized) {
-            msrDestroy();
-            msrInitialized = false;
-        }
-        return true;
-    }
-
-    if (isReady(job)) {
-        return true;
-    }
-
-    if (!msrInitialized) {
-        msrInit(config, cpu.threads().get(job.algorithm()).data());
-        msrInitialized = true;
-    }
-
-    if (!osInitialized) {
-        setupMainLoopExceptionFrame();
-        osInitialized = true;
-    }
-
-    d_ptr->queue.enqueue(job, config.nodeset(), config.threads(cpu.limit()), cpu.isHugePages(), config.isOneGbPages(), config.mode(), cpu.priority());
-
-    return false;
-}
-
-
-bool xmrig::Rx::isReady(const Job &job)
-{
-    return d_ptr->queue.isReady(job);
-}
-
-
 xmrig::HugePagesInfo xmrig::Rx::hugePages()
 {
     return d_ptr->queue.hugePages();
@@ -130,6 +87,45 @@ void xmrig::Rx::init(IRxListener *listener)
 }
 
 
+template<typename T>
+bool xmrig::Rx::init(const T &seed, const RxConfig &config, const CpuConfig &cpu)
+{
+    if (seed.algorithm().family() != Algorithm::RANDOM_X) {
+        if (msrInitialized) {
+            msrDestroy();
+            msrInitialized = false;
+        }
+
+        return true;
+    }
+
+    if (isReady(seed)) {
+        return true;
+    }
+
+    if (!msrInitialized) {
+        msrInit(config, cpu.threads().get(seed.algorithm()).data());
+        msrInitialized = true;
+    }
+
+    if (!osInitialized) {
+        setupMainLoopExceptionFrame();
+        osInitialized = true;
+    }
+
+    d_ptr->queue.enqueue(seed, config.nodeset(), config.threads(cpu.limit()), cpu.isHugePages(), config.isOneGbPages(), config.mode(), cpu.priority());
+
+    return false;
+}
+
+
+template<typename T>
+bool xmrig::Rx::isReady(const T &seed)
+{
+    return d_ptr->queue.isReady(seed);
+}
+
+
 #ifndef XMRIG_FEATURE_MSR
 void xmrig::Rx::msrInit(const RxConfig &, const std::vector<CpuThread> &)
 {
@@ -147,3 +143,15 @@ void xmrig::Rx::setupMainLoopExceptionFrame()
 {
 }
 #endif
+
+
+namespace xmrig {
+
+
+template bool Rx::init(const RxSeed &seed, const RxConfig &config, const CpuConfig &cpu);
+template bool Rx::isReady(const RxSeed &seed);
+template bool Rx::init(const Job &seed, const RxConfig &config, const CpuConfig &cpu);
+template bool Rx::isReady(const Job &seed);
+
+
+} // namespace xmrig
diff --git a/src/crypto/rx/Rx.h b/src/crypto/rx/Rx.h
index 43be29cc2..71a9fb13e 100644
--- a/src/crypto/rx/Rx.h
+++ b/src/crypto/rx/Rx.h
@@ -7,8 +7,8 @@
  * Copyright 2017-2019 XMR-Stak    <https://github.com/fireice-uk>, <https://github.com/psychocrypt>
  * Copyright 2018      Lee Clagett <https://github.com/vtnerd>
  * Copyright 2018-2019 tevador     <tevador@gmail.com>
- * Copyright 2018-2019 SChernykh   <https://github.com/SChernykh>
- * Copyright 2016-2019 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
+ * Copyright 2018-2020 SChernykh   <https://github.com/SChernykh>
+ * Copyright 2016-2020 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
  *
  *   This program is free software: you can redistribute it and/or modify
  *   it under the terms of the GNU General Public License as published by
@@ -52,12 +52,12 @@ class RxDataset;
 class Rx
 {
 public:
-    static bool init(const Job &job, const RxConfig &config, const CpuConfig &cpu);
-    static bool isReady(const Job &job);
     static HugePagesInfo hugePages();
     static RxDataset *dataset(const Job &job, uint32_t nodeId);
     static void destroy();
     static void init(IRxListener *listener);
+    template<typename T> static bool init(const T &seed, const RxConfig &config, const CpuConfig &cpu);
+    template<typename T> static bool isReady(const T &seed);
 
 #   ifdef XMRIG_FIX_RYZEN
     static void setMainLoopBounds(const std::pair<const void*, const void*>& bounds);
diff --git a/src/crypto/rx/RxBasicStorage.cpp b/src/crypto/rx/RxBasicStorage.cpp
index 8026166d6..7f3896660 100644
--- a/src/crypto/rx/RxBasicStorage.cpp
+++ b/src/crypto/rx/RxBasicStorage.cpp
@@ -7,8 +7,8 @@
  * Copyright 2017-2019 XMR-Stak    <https://github.com/fireice-uk>, <https://github.com/psychocrypt>
  * Copyright 2018      Lee Clagett <https://github.com/vtnerd>
  * Copyright 2018-2019 tevador     <tevador@gmail.com>
- * Copyright 2018-2019 SChernykh   <https://github.com/SChernykh>
- * Copyright 2016-2019 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
+ * Copyright 2018-2020 SChernykh   <https://github.com/SChernykh>
+ * Copyright 2016-2020 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
  *
  *   This program is free software: you can redistribute it and/or modify
  *   it under the terms of the GNU General Public License as published by
@@ -28,6 +28,7 @@
 #include "crypto/rx/RxBasicStorage.h"
 #include "backend/common/Tags.h"
 #include "base/io/log/Log.h"
+#include "base/io/log/Tags.h"
 #include "base/tools/Chrono.h"
 #include "base/tools/Object.h"
 #include "crypto/rx/RxAlgo.h"
@@ -75,7 +76,7 @@ public:
         if (!m_dataset->cache()->get()) {
             deleteDataset();
 
-            LOG_INFO("%s" RED_BOLD("failed to allocate RandomX memory") BLACK_BOLD(" (%" PRIu64 " ms)"), rx_tag(), Chrono::steadyMSecs() - ts);
+            LOG_INFO("%s" RED_BOLD("failed to allocate RandomX memory") BLACK_BOLD(" (%" PRIu64 " ms)"), Tags::randomx(), Chrono::steadyMSecs() - ts);
 
             return false;
         }
@@ -93,7 +94,7 @@ public:
         m_ready = m_dataset->init(m_seed.data(), threads, priority);
 
         if (m_ready) {
-            LOG_INFO("%s" GREEN_BOLD("dataset ready") BLACK_BOLD(" (%" PRIu64 " ms)"), rx_tag(), Chrono::steadyMSecs() - ts);
+            LOG_INFO("%s" GREEN_BOLD("dataset ready") BLACK_BOLD(" (%" PRIu64 " ms)"), Tags::randomx(), Chrono::steadyMSecs() - ts);
         }
     }
 
@@ -105,7 +106,7 @@ private:
             const auto pages = m_dataset->hugePages();
 
             LOG_INFO("%s" GREEN_BOLD("allocated") CYAN_BOLD(" %zu MB") BLACK_BOLD(" (%zu+%zu)") " huge pages %s%1.0f%% %u/%u" CLEAR " %sJIT" BLACK_BOLD(" (%" PRIu64 " ms)"),
-                     rx_tag(),
+                     Tags::randomx(),
                      pages.size / oneMiB,
                      RxDataset::maxSize() / oneMiB,
                      RxCache::maxSize() / oneMiB,
@@ -118,7 +119,7 @@ private:
                      );
         }
         else {
-            LOG_WARN(CLEAR "%s" YELLOW_BOLD_S "failed to allocate RandomX dataset, switching to slow mode" BLACK_BOLD(" (%" PRIu64 " ms)"), rx_tag(), Chrono::steadyMSecs() - ts);
+            LOG_WARN(CLEAR "%s" YELLOW_BOLD_S "failed to allocate RandomX dataset, switching to slow mode" BLACK_BOLD(" (%" PRIu64 " ms)"), Tags::randomx(), Chrono::steadyMSecs() - ts);
         }
     }
 
diff --git a/src/crypto/rx/RxBasicStorage.h b/src/crypto/rx/RxBasicStorage.h
index f11eb48aa..c689df835 100644
--- a/src/crypto/rx/RxBasicStorage.h
+++ b/src/crypto/rx/RxBasicStorage.h
@@ -7,8 +7,8 @@
  * Copyright 2017-2019 XMR-Stak    <https://github.com/fireice-uk>, <https://github.com/psychocrypt>
  * Copyright 2018      Lee Clagett <https://github.com/vtnerd>
  * Copyright 2018-2019 tevador     <tevador@gmail.com>
- * Copyright 2018-2019 SChernykh   <https://github.com/SChernykh>
- * Copyright 2016-2019 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
+ * Copyright 2018-2020 SChernykh   <https://github.com/SChernykh>
+ * Copyright 2016-2020 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
  *
  *   This program is free software: you can redistribute it and/or modify
  *   it under the terms of the GNU General Public License as published by
diff --git a/src/crypto/rx/RxDataset.cpp b/src/crypto/rx/RxDataset.cpp
index e0e9fccff..ef2371e0e 100644
--- a/src/crypto/rx/RxDataset.cpp
+++ b/src/crypto/rx/RxDataset.cpp
@@ -26,8 +26,8 @@
 
 
 #include "crypto/rx/RxDataset.h"
-#include "backend/common/Tags.h"
 #include "base/io/log/Log.h"
+#include "base/io/log/Tags.h"
 #include "base/kernel/Platform.h"
 #include "crypto/common/VirtualMemory.h"
 #include "crypto/rx/RxAlgo.h"
@@ -181,13 +181,13 @@ void xmrig::RxDataset::setRaw(const void *raw)
 void xmrig::RxDataset::allocate(bool hugePages, bool oneGbPages)
 {
     if (m_mode == RxConfig::LightMode) {
-        LOG_ERR(CLEAR "%s" RED_BOLD_S "fast RandomX mode disabled by config", rx_tag());
+        LOG_ERR(CLEAR "%s" RED_BOLD_S "fast RandomX mode disabled by config", Tags::randomx());
 
         return;
     }
 
     if (m_mode == RxConfig::AutoMode && uv_get_total_memory() < (maxSize() + RxCache::maxSize())) {
-        LOG_ERR(CLEAR "%s" RED_BOLD_S "not enough memory for RandomX dataset", rx_tag());
+        LOG_ERR(CLEAR "%s" RED_BOLD_S "not enough memory for RandomX dataset", Tags::randomx());
 
         return;
     }
@@ -197,7 +197,7 @@ void xmrig::RxDataset::allocate(bool hugePages, bool oneGbPages)
 
 #   ifdef XMRIG_OS_LINUX
     if (oneGbPages && !isOneGbPages()) {
-        LOG_ERR(CLEAR "%s" RED_BOLD_S "failed to allocate RandomX dataset using 1GB pages", rx_tag());
+        LOG_ERR(CLEAR "%s" RED_BOLD_S "failed to allocate RandomX dataset using 1GB pages", Tags::randomx());
     }
 #   endif
 }
diff --git a/src/crypto/rx/RxDataset.h b/src/crypto/rx/RxDataset.h
index 34840fc42..a6bb74557 100644
--- a/src/crypto/rx/RxDataset.h
+++ b/src/crypto/rx/RxDataset.h
@@ -29,6 +29,7 @@
 
 
 #include "base/crypto/Algorithm.h"
+#include "base/tools/Buffer.h"
 #include "base/tools/Object.h"
 #include "crypto/common/HugePagesInfo.h"
 #include "crypto/randomx/configuration.h"
@@ -43,7 +44,6 @@ namespace xmrig
 {
 
 
-class Buffer;
 class RxCache;
 class VirtualMemory;
 
diff --git a/src/crypto/rx/RxNUMAStorage.cpp b/src/crypto/rx/RxNUMAStorage.cpp
index e345aaa9a..01164f64a 100644
--- a/src/crypto/rx/RxNUMAStorage.cpp
+++ b/src/crypto/rx/RxNUMAStorage.cpp
@@ -7,8 +7,8 @@
  * Copyright 2017-2019 XMR-Stak    <https://github.com/fireice-uk>, <https://github.com/psychocrypt>
  * Copyright 2018      Lee Clagett <https://github.com/vtnerd>
  * Copyright 2018-2019 tevador     <tevador@gmail.com>
- * Copyright 2018-2019 SChernykh   <https://github.com/SChernykh>
- * Copyright 2016-2019 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
+ * Copyright 2018-2020 SChernykh   <https://github.com/SChernykh>
+ * Copyright 2016-2020 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
  *
  *   This program is free software: you can redistribute it and/or modify
  *   it under the terms of the GNU General Public License as published by
@@ -26,10 +26,10 @@
 
 
 #include "crypto/rx/RxNUMAStorage.h"
-#include "backend/common/Tags.h"
 #include "backend/cpu/Cpu.h"
 #include "backend/cpu/platform/HwlocCpuInfo.h"
 #include "base/io/log/Log.h"
+#include "base/io/log/Tags.h"
 #include "base/kernel/Platform.h"
 #include "base/tools/Chrono.h"
 #include "base/tools/Object.h"
@@ -72,13 +72,13 @@ static bool bindToNUMANode(uint32_t nodeId)
 
 static inline void printSkipped(uint32_t nodeId, const char *reason)
 {
-    LOG_WARN("%s" CYAN_BOLD("#%u ") RED_BOLD("skipped") YELLOW(" (%s)"), rx_tag(), nodeId, reason);
+    LOG_WARN("%s" CYAN_BOLD("#%u ") RED_BOLD("skipped") YELLOW(" (%s)"), Tags::randomx(), nodeId, reason);
 }
 
 
 static inline void printDatasetReady(uint32_t nodeId, uint64_t ts)
 {
-    LOG_INFO("%s" CYAN_BOLD("#%u ") GREEN_BOLD("dataset ready") BLACK_BOLD(" (%" PRIu64 " ms)"), rx_tag(), nodeId, Chrono::steadyMSecs() - ts);
+    LOG_INFO("%s" CYAN_BOLD("#%u ") GREEN_BOLD("dataset ready") BLACK_BOLD(" (%" PRIu64 " ms)"), Tags::randomx(), nodeId, Chrono::steadyMSecs() - ts);
 }
 
 
@@ -142,7 +142,7 @@ public:
         if (m_datasets.empty()) {
             m_datasets.insert({ m_nodeset.front(), new RxDataset(m_cache) });
 
-            LOG_WARN(CLEAR "%s" YELLOW_BOLD_S "failed to allocate RandomX datasets, switching to slow mode" BLACK_BOLD(" (%" PRIu64 " ms)"), rx_tag(), Chrono::steadyMSecs() - ts);
+            LOG_WARN(CLEAR "%s" YELLOW_BOLD_S "failed to allocate RandomX datasets, switching to slow mode" BLACK_BOLD(" (%" PRIu64 " ms)"), Tags::randomx(), Chrono::steadyMSecs() - ts);
         }
         else {
             if (m_cache) {
@@ -246,7 +246,7 @@ private:
         if (!cache->get()) {
             delete cache;
 
-            LOG_INFO("%s" RED_BOLD("failed to allocate RandomX memory") BLACK_BOLD(" (%" PRIu64 " ms)"), rx_tag(), Chrono::steadyMSecs() - ts);
+            LOG_INFO("%s" RED_BOLD("failed to allocate RandomX memory") BLACK_BOLD(" (%" PRIu64 " ms)"), Tags::randomx(), Chrono::steadyMSecs() - ts);
 
             return;
         }
@@ -272,7 +272,7 @@ private:
         const auto pages = dataset->hugePages();
 
         LOG_INFO("%s" CYAN_BOLD("#%u ") GREEN_BOLD("allocated") CYAN_BOLD(" %zu MB") " huge pages %s%3.0f%%" CLEAR BLACK_BOLD(" (%" PRIu64 " ms)"),
-                 rx_tag(),
+                 Tags::randomx(),
                  nodeId,
                  pages.size / oneMiB,
                  (pages.isFullyAllocated() ? GREEN_BOLD_S : RED_BOLD_S),
@@ -287,7 +287,7 @@ private:
         const auto pages = cache->hugePages();
 
         LOG_INFO("%s" CYAN_BOLD("#%u ") GREEN_BOLD("allocated") CYAN_BOLD(" %4zu MB") " huge pages %s%3.0f%%" CLEAR " %sJIT" BLACK_BOLD(" (%" PRIu64 " ms)"),
-                 rx_tag(),
+                 Tags::randomx(),
                  nodeId,
                  cache->size() / oneMiB,
                  (pages.isFullyAllocated() ? GREEN_BOLD_S : RED_BOLD_S),
@@ -303,7 +303,7 @@ private:
         auto pages = hugePages();
 
         LOG_INFO("%s" CYAN_BOLD("-- ") GREEN_BOLD("allocated") CYAN_BOLD(" %4zu MB") " huge pages %s%3.0f%% %u/%u" CLEAR BLACK_BOLD(" (%" PRIu64 " ms)"),
-                 rx_tag(),
+                 Tags::randomx(),
                  pages.size / oneMiB,
                  (pages.isFullyAllocated() ? GREEN_BOLD_S : (pages.allocated == 0 ? RED_BOLD_S : YELLOW_BOLD_S)),
                  pages.percent(),
diff --git a/src/crypto/rx/RxNUMAStorage.h b/src/crypto/rx/RxNUMAStorage.h
index 72900f42e..ef0d64310 100644
--- a/src/crypto/rx/RxNUMAStorage.h
+++ b/src/crypto/rx/RxNUMAStorage.h
@@ -7,8 +7,8 @@
  * Copyright 2017-2019 XMR-Stak    <https://github.com/fireice-uk>, <https://github.com/psychocrypt>
  * Copyright 2018      Lee Clagett <https://github.com/vtnerd>
  * Copyright 2018-2019 tevador     <tevador@gmail.com>
- * Copyright 2018-2019 SChernykh   <https://github.com/SChernykh>
- * Copyright 2016-2019 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
+ * Copyright 2018-2020 SChernykh   <https://github.com/SChernykh>
+ * Copyright 2016-2020 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
  *
  *   This program is free software: you can redistribute it and/or modify
  *   it under the terms of the GNU General Public License as published by
diff --git a/src/crypto/rx/RxQueue.cpp b/src/crypto/rx/RxQueue.cpp
index 59875a7b3..af139106f 100644
--- a/src/crypto/rx/RxQueue.cpp
+++ b/src/crypto/rx/RxQueue.cpp
@@ -7,8 +7,8 @@
  * Copyright 2017-2019 XMR-Stak    <https://github.com/fireice-uk>, <https://github.com/psychocrypt>
  * Copyright 2018      Lee Clagett <https://github.com/vtnerd>
  * Copyright 2018-2019 tevador     <tevador@gmail.com>
- * Copyright 2018-2019 SChernykh   <https://github.com/SChernykh>
- * Copyright 2016-2019 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
+ * Copyright 2018-2020 SChernykh   <https://github.com/SChernykh>
+ * Copyright 2016-2020 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
  *
  *   This program is free software: you can redistribute it and/or modify
  *   it under the terms of the GNU General Public License as published by
@@ -26,11 +26,11 @@
 
 
 #include "crypto/rx/RxQueue.h"
-#include "backend/common/Tags.h"
-#include "base/io/log/Log.h"
-#include "crypto/rx/RxBasicStorage.h"
-#include "base/tools/Handle.h"
 #include "backend/common/interfaces/IRxListener.h"
+#include "base/io/log/Log.h"
+#include "base/io/log/Tags.h"
+#include "base/tools/Handle.h"
+#include "crypto/rx/RxBasicStorage.h"
 
 
 #ifdef XMRIG_FEATURE_HWLOC
@@ -66,14 +66,6 @@ xmrig::RxQueue::~RxQueue()
 }
 
 
-bool xmrig::RxQueue::isReady(const Job &job)
-{
-    std::lock_guard<std::mutex> lock(m_mutex);
-
-    return isReadyUnsafe(job);
-}
-
-
 xmrig::RxDataset *xmrig::RxQueue::dataset(const Job &job, uint32_t nodeId)
 {
     std::lock_guard<std::mutex> lock(m_mutex);
@@ -94,6 +86,15 @@ xmrig::HugePagesInfo xmrig::RxQueue::hugePages()
 }
 
 
+template<typename T>
+bool xmrig::RxQueue::isReady(const T &seed)
+{
+    std::lock_guard<std::mutex> lock(m_mutex);
+
+    return isReadyUnsafe(seed);
+}
+
+
 void xmrig::RxQueue::enqueue(const RxSeed &seed, const std::vector<uint32_t> &nodeset, uint32_t threads, bool hugePages, bool oneGbPages, RxConfig::Mode mode, int priority)
 {
     std::unique_lock<std::mutex> lock(m_mutex);
@@ -124,9 +125,10 @@ void xmrig::RxQueue::enqueue(const RxSeed &seed, const std::vector<uint32_t> &no
 }
 
 
-bool xmrig::RxQueue::isReadyUnsafe(const Job &job) const
+template<typename T>
+bool xmrig::RxQueue::isReadyUnsafe(const T &seed) const
 {
-    return m_storage != nullptr && m_storage->isAllocated() && m_state == STATE_IDLE && m_seed == job;
+    return m_storage != nullptr && m_storage->isAllocated() && m_state == STATE_IDLE && m_seed == seed;
 }
 
 
@@ -149,7 +151,7 @@ void xmrig::RxQueue::backgroundInit()
         lock.unlock();
 
         LOG_INFO("%s" MAGENTA_BOLD("init dataset%s") " algo " WHITE_BOLD("%s (") CYAN_BOLD("%u") WHITE_BOLD(" threads)") BLACK_BOLD(" seed %s..."),
-                 rx_tag(),
+                 Tags::randomx(),
                  item.nodeset.size() > 1 ? "s" : "",
                  item.seed.algorithm().shortName(),
                  item.threads,
@@ -180,3 +182,13 @@ void xmrig::RxQueue::onReady()
         m_listener->onDatasetReady();
     }
 }
+
+
+namespace xmrig {
+
+
+template bool RxQueue::isReady(const Job &);
+template bool RxQueue::isReady(const RxSeed &);
+
+
+} // namespace xmrig
diff --git a/src/crypto/rx/RxQueue.h b/src/crypto/rx/RxQueue.h
index c83ae6d9a..fca4a12fc 100644
--- a/src/crypto/rx/RxQueue.h
+++ b/src/crypto/rx/RxQueue.h
@@ -7,8 +7,8 @@
  * Copyright 2017-2019 XMR-Stak    <https://github.com/fireice-uk>, <https://github.com/psychocrypt>
  * Copyright 2018      Lee Clagett <https://github.com/vtnerd>
  * Copyright 2018-2019 tevador     <tevador@gmail.com>
- * Copyright 2018-2019 SChernykh   <https://github.com/SChernykh>
- * Copyright 2016-2019 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
+ * Copyright 2018-2020 SChernykh   <https://github.com/SChernykh>
+ * Copyright 2016-2020 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
  *
  *   This program is free software: you can redistribute it and/or modify
  *   it under the terms of the GNU General Public License as published by
@@ -82,9 +82,9 @@ public:
     RxQueue(IRxListener *listener);
     ~RxQueue();
 
-    bool isReady(const Job &job);
-    RxDataset *dataset(const Job &job, uint32_t nodeId);
     HugePagesInfo hugePages();
+    RxDataset *dataset(const Job &job, uint32_t nodeId);
+    template<typename T> bool isReady(const T &seed);
     void enqueue(const RxSeed &seed, const std::vector<uint32_t> &nodeset, uint32_t threads, bool hugePages, bool oneGbPages, RxConfig::Mode mode, int priority);
 
 private:
@@ -94,7 +94,7 @@ private:
         STATE_SHUTDOWN
     };
 
-    bool isReadyUnsafe(const Job &job) const;
+    template<typename T> bool isReadyUnsafe(const T &seed) const;
     void backgroundInit();
     void onReady();
 
diff --git a/src/crypto/rx/RxSeed.h b/src/crypto/rx/RxSeed.h
index c8993a18f..f30fbfb72 100644
--- a/src/crypto/rx/RxSeed.h
+++ b/src/crypto/rx/RxSeed.h
@@ -7,8 +7,8 @@
  * Copyright 2017-2019 XMR-Stak    <https://github.com/fireice-uk>, <https://github.com/psychocrypt>
  * Copyright 2018      Lee Clagett <https://github.com/vtnerd>
  * Copyright 2018-2019 tevador     <tevador@gmail.com>
- * Copyright 2018-2019 SChernykh   <https://github.com/SChernykh>
- * Copyright 2016-2019 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
+ * Copyright 2018-2020 SChernykh   <https://github.com/SChernykh>
+ * Copyright 2016-2020 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
  *
  *   This program is free software: you can redistribute it and/or modify
  *   it under the terms of the GNU General Public License as published by