From 0031f80998b2743ba6b9caae888444dfbb94b9d9 Mon Sep 17 00:00:00 2001
From: Tomas Oberhuber <tomas.oberhuber@fjfi.cvut.cz>
Date: Thu, 28 May 2015 20:29:29 +0200
Subject: [PATCH] Basic CUDA benchmark was added.
---
tests/benchmarks/CMakeLists.txt | 11 +++-
tests/benchmarks/tnl-benchmarks.cpp | 57 -------------------
tests/benchmarks/tnl-cuda-benchmarks.cu | 52 +++++++++++++++++
...tnl-benchmarks.h => tnl-cuda-benchmarks.h} | 0
4 files changed, 62 insertions(+), 58 deletions(-)
delete mode 100644 tests/benchmarks/tnl-benchmarks.cpp
create mode 100644 tests/benchmarks/tnl-cuda-benchmarks.cu
rename tests/benchmarks/{tnl-benchmarks.h => tnl-cuda-benchmarks.h} (100%)
diff --git a/tests/benchmarks/CMakeLists.txt b/tests/benchmarks/CMakeLists.txt
index 90d967d345..975147ee5a 100755
--- a/tests/benchmarks/CMakeLists.txt
+++ b/tests/benchmarks/CMakeLists.txt
@@ -1,6 +1,10 @@
ADD_SUBDIRECTORY( share )
IF( BUILD_CUDA )
+ CUDA_ADD_EXECUTABLE( tnl-cuda-benchmarks${debugExt} tnl-cuda-benchmarks.cu
+ OPTIONS ${CUDA_ADD_EXECUTABLE_OPTIONS} )
+ SET_TARGET_PROPERTIES( tnl-cuda-benchmarks${debugExt} PROPERTIES CUDA_COMPILE_FLAGS "${CXX_OPTIMIZE_FLAGS}" )
+ TARGET_LINK_LIBRARIES( tnl-cuda-benchmarks${debugExt} tnl${debugExt}-${tnlVersion} ${CUSPARSE_LIBRARY} )
CUDA_ADD_EXECUTABLE( tnl-benchmark-spmv${debugExt} tnl-benchmark-spmv.cu
OPTIONS ${CUDA_ADD_EXECUTABLE_OPTIONS} )
SET_TARGET_PROPERTIES( tnl-benchmark-spmv${debugExt} PROPERTIES CUDA_COMPILE_FLAGS "${CXX_OPTIMIZE_FLAGS}" )
@@ -18,7 +22,12 @@ ELSE()
ENDIF()
TARGET_LINK_LIBRARIES( tnl-benchmark-linear-solvers${debugExt} tnl${debugExt}-${tnlVersion} )
-
+
+if( BUILD_CUDA )
+ INSTALL( TARGETS tnl-cuda-benchmarks${debugExt}
+ RUNTIME DESTINATION bin )
+endif()
+
INSTALL( TARGETS tnl-benchmark-spmv${debugExt}
tnl-benchmark-linear-solvers${debugExt}
RUNTIME DESTINATION bin )
diff --git a/tests/benchmarks/tnl-benchmarks.cpp b/tests/benchmarks/tnl-benchmarks.cpp
deleted file mode 100644
index 69af772435..0000000000
--- a/tests/benchmarks/tnl-benchmarks.cpp
+++ /dev/null
@@ -1,57 +0,0 @@
-/***************************************************************************
- tnl-benchmarks.cpp - description
- -------------------
- begin : Nov 25, 2010
- copyright : (C) 2010 by Tomas Oberhuber
- email : tomas.oberhuber@fjfi.cvut.cz
- ***************************************************************************/
-
-/***************************************************************************
- * *
- * 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 *
- * the Free Software Foundation; either version 2 of the License, or *
- * (at your option) any later version. *
- * *
- ***************************************************************************/
-
-
-#include <core/vectors/tnlVectorHost.h>
-#include <core/vectors/tnlVectorCUDA.h>
-#include <tnl-benchmarks.h>
-
-
-int main( int argc, char* argv[] )
-{
-
-#ifdef HAVE_CUDA
- cout << "Benchmarking memory bandwidth when transfering int ..." << endl;
-
- const int size = 1 << 22;
- double host_to_host_band_width;
- double host_to_device_band_width;
- double device_to_host_band_width;
- double device_to_device_band_width;
-
- transferBenchmark< int >( size,
- host_to_host_band_width,
- host_to_device_band_width,
- device_to_host_band_width,
- device_to_device_band_width );
-
-
- cout << "Benchmarking reduction of int ..." << endl;
- for( int i = 0; i <= 6; i ++ )
- reductionBenchmark< int >( size, i );
-
- cout << "Benchmarking reduction of float ..." << endl;
- for( int i = 0; i <= 6; i ++ )
- reductionBenchmark< float >( size, i );
-
- cout << "Benchmarking reduction of double ..." << endl;
- for( int i = 0; i <= 6; i ++ )
- reductionBenchmark< double >( size / 2, i );
-
-#endif
- return EXIT_SUCCESS;
-}
diff --git a/tests/benchmarks/tnl-cuda-benchmarks.cu b/tests/benchmarks/tnl-cuda-benchmarks.cu
new file mode 100644
index 0000000000..ded925bea7
--- /dev/null
+++ b/tests/benchmarks/tnl-cuda-benchmarks.cu
@@ -0,0 +1,52 @@
+/***************************************************************************
+ tnl-cuda-benchmarks.cu - description
+ -------------------
+ begin : May 28, 2015
+ copyright : (C) 2015 by Tomas Oberhuber
+ email : tomas.oberhuber@fjfi.cvut.cz
+ ***************************************************************************/
+
+/***************************************************************************
+ * *
+ * 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 *
+ * the Free Software Foundation; either version 2 of the License, or *
+ * (at your option) any later version. *
+ * *
+ ***************************************************************************/
+
+#include <core/vectors/tnlVector.h>
+#include <core/tnlTimerRT.h>
+
+int main( int argc, char* argv[] )
+{
+#ifdef HAVE_CUDA
+
+ tnlTimerRT timer;
+ const double oneGB = 1024.0 * 1024.0 * 1024.0;
+
+ cout << "Benchmarking memory bandwidth when transfering int ..." << endl;
+
+ const int size = 1 << 22;
+
+ tnlVector< int, tnlHost > hostVector;
+ tnlVector< int, tnlCuda > deviceVector;
+ hostVector.setSize( size );
+ deviceVector.setSize( size );
+
+ hostVector.setValue( 1.0 );
+ deviceVector.setValue( 0.0 );
+
+ timer.reset();
+ timer.start();
+ deviceVector = hostVector;
+ timer.stop();
+
+ double bandwidth = ( double ) ( size ) * sizeof( int ) / timer.getTime() / oneGB;
+
+ cout << bandwidth << " GB/sec." << endl;
+
+
+#endif
+ return EXIT_SUCCESS;
+}
diff --git a/tests/benchmarks/tnl-benchmarks.h b/tests/benchmarks/tnl-cuda-benchmarks.h
similarity index 100%
rename from tests/benchmarks/tnl-benchmarks.h
rename to tests/benchmarks/tnl-cuda-benchmarks.h
--
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