diff --git a/BUILD.md b/BUILD.md
index 22aa6b9..5eb2e18 100644
--- a/BUILD.md
+++ b/BUILD.md
@@ -121,6 +121,13 @@ cd boost_1_86_0
 ./b2 debug release
 sudo ./b2 install
 ```
+
+gpu performance api:
+```sh
+wget https://github.com/GPUOpen-Tools/gpu_performance_api/releases/download/v4.3-tag/GPUPerfAPI-Linux-4.3.0.2.tgz
+tar -xvf GPUPerfAPI-Linux-4.3.0.2.tgz
+mv 4_4 gpu_performance_api
+```
   
 # Platforms
   
diff --git a/sources/algo/ethash/CMakeLists.txt b/sources/algo/ethash/CMakeLists.txt
index 39c9f34..42fc9a7 100644
--- a/sources/algo/ethash/CMakeLists.txt
+++ b/sources/algo/ethash/CMakeLists.txt
@@ -15,7 +15,7 @@ if (BUILD_EXE_UNIT_TEST)
     )
 endif()
 
-if (BUILD_EXE_MINER)
+if (BUILD_EXE_BENCHMARK)
     target_sources(${BENCH_EXE} PUBLIC
         ${HEADERS}
         ${SOURCES}
diff --git a/sources/benchmark/amd/kawpow.cpp b/sources/benchmark/amd/kawpow.cpp
index 5ac9e76..1499485 100644
--- a/sources/benchmark/amd/kawpow.cpp
+++ b/sources/benchmark/amd/kawpow.cpp
@@ -10,8 +10,9 @@
 #include <benchmark/workflow.hpp>
 #include <common/opencl/buffer_wrapper.hpp>
 #include <common/opencl/buffer_mapped.hpp>
-#include <common/custom.hpp>
 #include <common/kernel_generator/opencl.hpp>
+#include <common/custom.hpp>
+#include <common/date.hpp>
 
 
 bool benchmark::BenchmarkWorkflow::runAmdKawpow()
@@ -19,6 +20,17 @@ bool benchmark::BenchmarkWorkflow::runAmdKawpow()
     ////////////////////////////////////////////////////////////////////////////
     using namespace std::string_literals;
 
+    ////////////////////////////////////////////////////////////////////////////
+
+    common::Dashboard dashboard{};
+    dashboard.setTitle("[AMD] KAWPOW");
+    dashboard.addColumn("Kernel");
+    dashboard.addColumn("Blocks");
+    dashboard.addColumn("Threads");
+    dashboard.addColumn("Hashrate");
+    dashboard.addColumn("Time");
+    dashboard.setDate(common::getDate());
+
     ////////////////////////////////////////////////////////////////////////////
     bool dagInitialized{ false };
     algo::hash256 const headerHash
@@ -189,7 +201,7 @@ bool benchmark::BenchmarkWorkflow::runAmdKawpow()
                 )
             );
             OPENCL_ER(propertiesAmd.clQueue.finish());
-            stopChrono(i);
+            stopChrono(i, dashboard);
         }
 
         return true;
@@ -212,6 +224,9 @@ bool benchmark::BenchmarkWorkflow::runAmdKawpow()
     headerCache.free();
     resultCache.free();
 
+    ////////////////////////////////////////////////////////////////////////////
+    dashboards.emplace_back(dashboard);
+
     ////////////////////////////////////////////////////////////////////////////
     return true;
 }
diff --git a/sources/benchmark/workflow.cpp b/sources/benchmark/workflow.cpp
index a776c0e..b1b5e87 100644
--- a/sources/benchmark/workflow.cpp
+++ b/sources/benchmark/workflow.cpp
@@ -80,6 +80,10 @@ void benchmark::BenchmarkWorkflow::run()
         runAmd();
     }
 #endif
+    for (auto dashboard : dashboards)
+    {
+        dashboard.show();
+    }
     writeReport();
 }
 
@@ -142,6 +146,42 @@ void benchmark::BenchmarkWorkflow::stopChrono(uint32_t const index)
 }
 
 
+void benchmark::BenchmarkWorkflow::stopChrono(
+    uint32_t const index,
+    common::Dashboard& dashboard)
+{
+    ////////////////////////////////////////////////////////////////////////////
+    stats.increaseKernelExecuted();
+    stats.stop();
+    stats.updateHashrate();
+    double const hashrate{ (stats.getHashrate() * multiplicator) / divisor };
+    logInfo() << currentBenchName << ": " << common::hashrateToString(hashrate);
+
+    ////////////////////////////////////////////////////////////////////////////
+    benchmark::Snapshot snapshot{};
+    snapshot.deviceType = currentdeviceType;
+    snapshot.name = currentBenchName;
+    snapshot.threads = threads;
+    snapshot.blocks = blocks;
+    snapshot.perform = hashrate;
+
+    ////////////////////////////////////////////////////////////////////////////
+    snapshots.emplace_back(snapshot);
+
+    ////////////////////////////////////////////////////////////////////////////
+    dashboard.addLine
+    (
+        {
+            currentBenchName,
+            std::to_string(blocks),
+            std::to_string(threads),
+            common::hashrateToString(hashrate),
+            std::to_string(stats.getElapsed())
+        }
+    );
+}
+
+
 void benchmark::BenchmarkWorkflow::writeReport()
 {
      boost::json::object root{};
@@ -329,6 +369,5 @@ void benchmark::BenchmarkWorkflow::runAmd()
     {
         logErr() << "AMD kawpow failed";
     }
-
 }
 #endif
diff --git a/sources/benchmark/workflow.hpp b/sources/benchmark/workflow.hpp
index d83651d..1496ab8 100644
--- a/sources/benchmark/workflow.hpp
+++ b/sources/benchmark/workflow.hpp
@@ -5,6 +5,7 @@
 #include <benchmark/amd.hpp>
 #include <benchmark/nvidia.hpp>
 #include <benchmark/result.hpp>
+#include <common/dashboard.hpp>
 #include <device/type.hpp>
 #include <statistical/statistical.hpp>
 
@@ -83,6 +84,7 @@ namespace benchmark
         uint32_t                         divisor{ 1u };
         statistical::Statistical         stats{};
         std::vector<benchmark::Snapshot> snapshots{};
+        std::vector<common::Dashboard>   dashboards{};
 
         void writeReport();
 
@@ -91,6 +93,7 @@ namespace benchmark
         void setGrid(uint32_t const _threads, uint32_t _blocks);
         void startChrono(std::string const& benchName);
         void stopChrono(uint32_t const index);
+        void stopChrono(uint32_t const index, common::Dashboard& dashboard);
 
         bool initCleanResult(t_result** result);
         bool initCleanResult32(t_result_32** result);
diff --git a/sources/common/dashboard.cpp b/sources/common/dashboard.cpp
index ded0955..58e9124 100644
--- a/sources/common/dashboard.cpp
+++ b/sources/common/dashboard.cpp
@@ -40,17 +40,18 @@ void common::Dashboard::setFooter(
 
 void common::Dashboard::addColumn(std::string const& name)
 {
-    Column col{ name, name.size() };
+    common::Dashboard::Column col{ name, name.size() };
     columns.emplace_back(col);
 }
 
 
 void common::Dashboard::addLine(std::vector<std::string> const& line)
 {
-    std::vector<Line> data;
+    std::vector<common::Dashboard::Line> data;
     for (auto const& value : line)
     {
-        Line l{ value, value.size() };
+        common::Dashboard::Line l{ value, value.size() };
+        logInfo() << "line: " << l.value;
         data.emplace_back(std::move(l));
     }
     lines.emplace_back(data);
diff --git a/sources/device/type.hpp b/sources/device/type.hpp
index 20ab38f..6af71db 100644
--- a/sources/device/type.hpp
+++ b/sources/device/type.hpp
@@ -16,4 +16,6 @@ namespace device
 #endif
         UNKNOWN
     };
+
+    constexpr uint8_t MAX_DEVICE_TYPE{ 2 };
 }