Re: Blogbench RAID benchmarks
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On Mon, Jul 11, 2011 at 07:39:11PM +0200, Francois Tigeot wrote:
> On Mon, Jul 11, 2011 at 10:19:37AM -0700, Matthew Dillon wrote:
> > Try this: Change arcmsr.c's cam_sim_alloc() call from this:
> > 1,
> > To this:
> > ARCMSR_MAX_OUTSTANDING_CMD,
>
> Done, I'll start a new set of benchmarks with RAID0 configurations.
I hate to say it, but this modification didn't change anything
performance-wise.
On the fastest disk configuration (RAID0, 4 disks), the results are:
writes: 600
reads : 178372
The whole text output is attached.
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Francois Tigeot
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dragonfly:/root#blogbench -d /mnt/blogbench
Frequency = 10 secs
Scratch dir = [/mnt/blogbench]
Direct I/O: disabled
Spawning 3 writers...
Spawning 1 rewriters...
Spawning 5 commenters...
Spawning 100 readers...
Benchmarking for 30 iterations.
The test will run during 5 minutes.
Nb blogs R articles W articles R pictures W pictures R comments W comments
108 610959 5825 413264 5689 364571 17971
155 726247 2873 482978 2405 451912 10633
196 719003 3104 489948 2793 480023 11058
246 724979 3453 488839 2678 470941 12072
268 697794 1593 471824 1570 448765 6295
303 658438 2279 449681 2198 429947 7225
337 597568 2111 411796 2274 365589 5521
359 494463 1344 341211 1192 302163 2808
373 365185 1063 249377 726 217173 2703
383 244130 622 168766 574 142801 2423
392 233537 902 159389 554 138846 2663
404 222294 721 150963 617 133133 2523
413 208573 646 142463 557 119386 2298
423 184486 855 128677 491 110635 2470
436 193158 1010 131412 633 113013 2843
445 177683 713 120144 611 105730 2807
457 161034 691 110099 597 95486 2461
468 182947 961 121084 578 109612 2448
481 155982 761 104085 731 93549 2694
488 153539 708 101753 599 96616 2619
498 143743 691 96624 556 85150 2335
510 143902 642 97564 739 86367 2557
523 135071 840 91890 779 81569 2933
534 133432 606 90209 666 78763 2544
543 129323 671 88359 699 79309 2608
555 135680 932 91768 523 84829 2484
571 134262 920 90410 819 81608 2760
580 127395 651 87013 749 75147 2497
589 123183 584 83289 667 78551 2241
600 122696 680 83964 576 73340 2336
Final score for writes: 600
Final score for reads : 178372
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