Samuel Thibault, le Tue 09 Dec 2014 20:02:59 +0100, a écrit : > My native laptop: > > size iterations gcc_memcpy memcpy vm_copy > 4096 8388608 8.69 8.69 18.83 > 8192 4194304 8.52 8.52 9.39 > 12288 2796202 8.58 8.58 6.29 > 16384 2097152 8.79 8.80 4.66 > 32768 1048576 10.74 10.74 2.38 > 65536 524288 10.72 10.73 1.23 > > My laptop in kvm virtualization: > size iterations gcc_memcpy memcpy vm_copy > 4096 8388608 5.97 5.92 15.16 > 8192 4194304 5.78 5.78 7.65 > 12288 2796202 5.98 5.86 4.88 > 16384 2097152 5.96 5.96 3.69 > 32768 1048576 7.32 7.30 1.85 > 65536 524288 7.34 7.29 0.96
And the same laptop on Linux: size iterations gcc_memcpy memcpy 4096 8388608 5.98 5.96 8192 4194304 5.84 5.86 12288 2796202 5.78 5.80 16384 2097152 5.93 5.88 32768 1048576 6.67 6.65 65536 524288 6.59 6.59 Samuel
