diff options
author | Gael Guennebaud <g.gael@free.fr> | 2010-06-21 23:44:20 +0200 |
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committer | Gael Guennebaud <g.gael@free.fr> | 2010-06-21 23:44:20 +0200 |
commit | 98686ab86ce062e1dbbf4ab15ef680387db35416 (patch) | |
tree | 3da77eb969beafebd0308081d674058c40bf9775 /bench | |
parent | 0212eec23f4cb64e8426bf32568156df302f8fcf (diff) |
fix in case we don't know how to query the L1/L2 cache sizes
Diffstat (limited to 'bench')
-rw-r--r-- | bench/bench_gemm.cpp | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/bench/bench_gemm.cpp b/bench/bench_gemm.cpp index ca1e05c8d..e5b991130 100644 --- a/bench/bench_gemm.cpp +++ b/bench/bench_gemm.cpp @@ -65,8 +65,10 @@ void gemm(const M& a, const M& b, M& c) int main(int argc, char ** argv) { - std::cout << "L1 cache size = " << ei_queryL1CacheSize()/1024 << " KB\n"; - std::cout << "L2/L3 cache size = " << ei_queryTopLevelCacheSize()/1024 << " KB\n"; + std::ptrdiff_t l1 = ei_queryL1CacheSize(); + std::ptrdiff_t l2 = ei_queryTopLevelCacheSize(); + std::cout << "L1 cache size = " << (l1>0 ? l1/1024 : -1) << " KB\n"; + std::cout << "L2/L3 cache size = " << (l2>0 ? l2/1024 : -1) << " KB\n"; setCpuCacheSizes(ei_queryL1CacheSize()/1,ei_queryTopLevelCacheSize()/2); |