At 01:24 PM 7/30/2009, Alexander Motin wrote: >Mike Tancsa wrote: >>Tried with postmark and bonnie. Bonnie (no surprise) doesnt show >>any differences, but postmark shows some >>In AHCI mode >>Time: >> 22 seconds total >> 22 seconds of transactions (681 per second) >>and in stock kernel ATA mode >>Time: >> 38 seconds total >> 37 seconds of transactions (405 per second) > >"Some", you said? :) It's really cool! Have you checked it twice? I just did, and it actually does vary quite a bit. I am going to re-run some longer tests as well as reduce the amount of memory in the machine as I wonder if thats throwing the results out of whack I ran the same tests 7 times just now on both sets of drivers AHCI 20 seconds of transactions (500 per second) 42 seconds of transactions (238 per second) 20 seconds of transactions (500 per second) 29 seconds of transactions (344 per second) 26 seconds of transactions (384 per second) 26 seconds of transactions (384 per second) 36 seconds of transactions (277 per second) avg 375 ATA 20 seconds of transactions (500 per second) 51 seconds of transactions (196 per second) 50 seconds of transactions (200 per second) 40 seconds of transactions (250 per second) 52 seconds of transactions (192 per second) 20 seconds of transactions (500 per second) 40 seconds of transactions (250 per second) avg 298 #!/bin/sh d=`date "+%H-%M-%S"` for counter in `jot 7` do echo $counter echo Loop $counter >> /root/results$d /usr/local/sbin/postmark /root/pm.pm >> /root/results$d sleep 5 done pm.pm is set size 300 250000 set transactions 10000 set location /tinderbox run quit One other detail, on the drive info, why does it show - for NCQ status ? 0(freebsd-current2)# camcontrol identify 0:0:0 pass0: <ST3250310NS SN05> ATA/ATAPI-8 SATA 2.x device Protocol SATA revision 2.x device model ST3250310NS serial number 9SF0PRR5 firmware revision SN05 cylinders 16383 heads 16 sectors/track 63 lba supported 268435455 sectors lba48 supported 488397168 sectors dma supported overlap not supported Feature Support Enable Value Vendor write cache yes yes read ahead yes yes Native Command Queuing (NCQ) yes - 31/0x1F Tagged Command Queuing (TCQ) no no 31/0x1F SMART yes yes microcode download yes yes security yes no power management yes yes advanced power management no no 0/0x00 automatic acoustic management no no 0/0x00 254/0xFE atacontrol does it as well # atacontrol cap ad4 Protocol SATA revision 2.x device model ST3250310NS serial number 9SF0PRR5 firmware revision SN05 cylinders 16383 heads 16 sectors/track 63 lba supported 268435455 sectors lba48 supported 488397168 sectors dma supported overlap not supported Feature Support Enable Value Vendor write cache yes yes read ahead yes yes Native Command Queuing (NCQ) yes - 31/0x1F Tagged Command Queuing (TCQ) no no 31/0x1F SMART yes yes microcode download yes yes security yes no power management yes yes advanced power management no no 0/0x00 automatic acoustic management no no 0/0x00 254/0xFE ---Mike -- >Alexander Motin >_______________________________________________ >freebsd-current_at_freebsd.org mailing list >http://lists.freebsd.org/mailman/listinfo/freebsd-current >To unsubscribe, send any mail to "freebsd-current-unsubscribe_at_freebsd.org" -------------------------------------------------------------------- Mike Tancsa, tel +1 519 651 3400 Sentex Communications, mike_at_sentex.net Providing Internet since 1994 www.sentex.net Cambridge, Ontario Canada www.sentex.net/mikeReceived on Thu Jul 30 2009 - 17:04:34 UTC
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