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Print out array sizes

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This commit is contained in:
Tom Deakin 2016-05-03 11:20:39 +01:00
parent fd121c2467
commit 2738e75b04
1 changed files with 7 additions and 0 deletions
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7
src/main.cpp
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@ -56,6 +56,13 @@ void run()
std::vector<T> a(ARRAY_SIZE, 1.0); std::vector<T> a(ARRAY_SIZE, 1.0);
std::vector<T> b(ARRAY_SIZE, 2.0); std::vector<T> b(ARRAY_SIZE, 2.0);
std::vector<T> c(ARRAY_SIZE, 0.0); std::vector<T> c(ARRAY_SIZE, 0.0);
std::streamsize ss = std::cout.precision();
std::cout << std::setprecision(1) << std::fixed
<< "Array size: " << ARRAY_SIZE*sizeof(T)*1.0E-6 << " MB"
<< " (=" << ARRAY_SIZE*sizeof(T)*1.0E-9 << " GB)" << std::endl;
std::cout << "Total size: " << 3.0*ARRAY_SIZE*sizeof(T)*1.0E-6 << " MB"
<< " (=" << 3.0*ARRAY_SIZE*sizeof(T)*1.0E-9 << " GB)" << std::endl;
std::cout.precision(ss);
Stream<T> *stream; Stream<T> *stream;