BabelStream/results/v2.0/original-cray/haswell.txt
2016-08-26 15:54:22 +01:00

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STREAM version $Revision: 5.10 $
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This system uses 8 bytes per array element.
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Array size = 33554432 (elements), Offset = 0 (elements)
Memory per array = 256.0 MiB (= 0.2 GiB).
Total memory required = 768.0 MiB (= 0.8 GiB).
Each kernel will be executed 100 times.
The *best* time for each kernel (excluding the first iteration)
will be used to compute the reported bandwidth.
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Number of Threads requested = 32
Number of Threads counted = 32
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Your clock granularity/precision appears to be 1 microseconds.
Each test below will take on the order of 4685 microseconds.
(= 4685 clock ticks)
Increase the size of the arrays if this shows that
you are not getting at least 20 clock ticks per test.
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WARNING -- The above is only a rough guideline.
For best results, please be sure you know the
precision of your system timer.
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Function Best Rate MB/s Avg time Min time Max time
Copy: 84400.3 0.006386 0.006361 0.006415
Scale: 99272.6 0.005457 0.005408 0.005546
Add: 118080.7 0.006854 0.006820 0.006892
Triad: 116271.9 0.006969 0.006926 0.007042
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Solution Validates: avg error less than 1.000000e-13 on all three arrays
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Application 1396734 resources: utime ~84s, stime ~2s, Rss ~791400, inblocks ~490, outblocks ~54