Administrator's Guide

4 1000 42.60 42.61 42.61
8 1000 45.14 45.14 45.14
16 1000 42.83 42.84 42.84
32 1000 46.46 46.46 46.46
64 1000 44.62 44.63 44.62
128 1000 58.27 58.29 58.28
256 1000 61.13 61.15 61.15
512 1000 70.58 70.60 70.60
1024 1000 81.64 81.66 81.65
2048 1000 113.24 113.29 113.27
4096 1000 158.73 158.80 158.78
8192 1000 296.67 296.83 296.78
16384 1000 534.17 534.48 534.39
32768 1000 925.54 926.11 925.76
65536 640 1643.30 1644.20 1643.76
131072 320 1211.07 1211.61 1211.35
262144 160 2377.06 2379.35 2378.28
524288 80 9937.20 9945.09 9941.42
1048576 40 14141.08 14171.55 14157.80
2097152 20 23278.50 23407.60 23348.72
4194304 10 41601.71 42125.80 41887.28
Stream
This is sample output of a Stream test on a cluster of 349 nodes.
Running Memory Benchmark
node1: -------------------------------------------------------------
node1: This system uses 8 bytes per DOUBLE PRECISION word.
node1: -------------------------------------------------------------
node1: Array size = 44739242, Offset = 0
node1: Total memory required = 1024.0 MB.
node1: Each test is run 25 times, but only
node1: the *best* time for each is used.
node1: Function Rate (MB/s) Avg time Min time Max time
node1: Copy: 2679.4987 0.2566 0.2671 0.2675
node1: Scale: 2606.1366 0.2640 0.2747 0.2776
node1: Add: 3090.3320 0.3339 0.3475 0.3507
node1: Triad: 3086.9809 0.3342 0.3478 0.3488
node1: -------------------------------------------------------------
node1: Solution Validates
node1: -------------------------------------------------------------
node9: -------------------------------------------------------------
node9: This system uses 8 bytes per DOUBLE PRECISION word.
node9: -------------------------------------------------------------
node9: Array size = 44739242, Offset = 0
node9: Total memory required = 1024.0 MB.
node9: Each test is run 25 times, but only
node9: the *best* time for each is used.
node9: Function Rate (MB/s) Avg time Min time Max time
node9: Copy: 2672.2059 0.2582 0.2679 0.2714
node9: Scale: 2605.7793 0.2648 0.2747 0.2781
node9: Add: 3095.3829 0.3345 0.3469 0.3518
node9: Triad: 3093.9731 0.3348 0.3470 0.3522
node9: -------------------------------------------------------------
node9: Solution Validates
node9: -------------------------------------------------------------
node24: -------------------------------------------------------------
node24: This system uses 8 bytes per DOUBLE PRECISION word.
node24: -------------------------------------------------------------
node24: Array size = 44739242, Offset = 0
node24: Total memory required = 1024.0 MB.
node24: Each test is run 25 times, but only
node24: the *best* time for each is used.
node24: Function Rate (MB/s) Avg time Min time Max time
node24: Copy: 2662.2282 0.2587 0.2689 0.2725
node24: Scale: 2599.2867 0.2649 0.2754 0.2786
node24: Add: 3081.9215 0.3353 0.3484 0.3533
Stream 65