From a19fd6cff9716cba62576f84adf77892adbfd75e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jakub=20Klinkovsk=C3=BD?= <klinkjak@fjfi.cvut.cz>
Date: Thu, 10 Dec 2015 09:27:46 +0100
Subject: [PATCH] Fixed calculation of bandwidth (lpNorm is unary operation).
---
tests/benchmarks/tnl-cuda-benchmarks.h | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/tests/benchmarks/tnl-cuda-benchmarks.h b/tests/benchmarks/tnl-cuda-benchmarks.h
index 17ae5c04b3..2c11b5bc76 100644
--- a/tests/benchmarks/tnl-cuda-benchmarks.h
+++ b/tests/benchmarks/tnl-cuda-benchmarks.h
@@ -156,7 +156,7 @@ int main( int argc, char* argv[] )
resultHost = hostVector.lpNorm( 2.0 );
timer.stop();
timeHost = timer.getTime();
- bandwidth = 2 * datasetSize / timer.getTime();
+ bandwidth = datasetSize / timer.getTime();
cout << "bandwidth: " << bandwidth << " GB/sec, time: " << timer.getTime() << " sec." << endl;
cout << "Benchmarking lpNorm on GPU: ";
@@ -166,7 +166,7 @@ int main( int argc, char* argv[] )
resultDevice = deviceVector.lpNorm( 2.0 );
timer.stop();
timeDevice = timer.getTime();
- bandwidth = 2 * datasetSize / timer.getTime();
+ bandwidth = datasetSize / timer.getTime();
cout << "bandwidth: " << bandwidth << " GB/sec, time: " << timer.getTime() << " sec." << endl;
cout << "CPU/GPU speedup: " << timeHost / timeDevice << endl;
--
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