Note that when nthreads>1 I sometimes get wrong answers for SimpleFile... hopefully it's just a bug in the test... I'll look into it a little.
-Yonik http://www.lucidimagination.com On Tue, Sep 15, 2009 at 4:00 PM, Mark Miller <markrmil...@gmail.com> wrote: > I'm jealous of your 4 3.0Ghz to my 2.0Ghz. > > I was on dynamic scaling frequency and switched to 2.0Ghz hard. > > On ramdisk, my puny 2.0's almost catch you and get a bit over 1800MB/s > with SeparateFile. > > I'm smoked on PooledPread and ChannelPread though. Still sub 500 for > both, even > on the ramdisk. > > Its an absurd comparison though - everyone knows a jackalope is faster > than a koala. > > - Mark > > Yonik Seeley wrote: >> Here's my results in my quad core phenom, with ondemand CPU freq >> scaling disabled (clocks locked at 3GHz) >> >> Ubuntu 9.04, filesystem=ext4 on 7200RPM IDE drive, testfile=95MB fully >> cached. >> >> Linux odin 2.6.28-15-generic #49-Ubuntu SMP Tue Aug 18 19:25:34 UTC >> 2009 x86_64 GNU/Linux >> Java(TM) SE Runtime Environment (build 1.6.0_14-b08) >> Java HotSpot(TM) 64-Bit Server VM (build 14.0-b16, mixed mode) >> >> >> config: impl=ClassicFile serial=false nThreads=4 iterations=20 >> bufsize=1024 poolsize=2 filelen=95610240 >> answer=1165427971, ms=15610, MB/sec=489.99482383087764 >> >> config: impl=SeparateFile serial=false nThreads=4 iterations=20 >> bufsize=1024 poolsize=2 filelen=95610240 >> answer=1165427672, ms=4115, MB/sec=1858.7652976913728 >> >> config: impl=PooledPread serial=false nThreads=4 iterations=20 >> bufsize=1024 poolsize=2 filelen=95610240 >> answer=1165427971, ms=6352, MB/sec=1204.15919395466 >> >> config: impl=ChannelFile serial=false nThreads=4 iterations=20 >> bufsize=1024 poolsize=2 filelen=95610240 >> answer=1165427971, ms=20347, MB/sec=375.91876935174713 >> >> config: impl=ChannelPread serial=false nThreads=4 iterations=20 >> bufsize=1024 poolsize=2 filelen=95610240 >> answer=1165427971, ms=5189, MB/sec=1474.0449412218154 >> >> config: impl=ChannelTransfer serial=false nThreads=4 iterations=20 >> bufsize=1024 poolsize=2 filelen=95610240 >> answer=1165427971, ms=14794, MB/sec=517.021711504664 >> >> -Yonik >> http://www.lucidimagination.com >> >> --------------------------------------------------------------------- >> To unsubscribe, e-mail: java-user-unsubscr...@lucene.apache.org >> For additional commands, e-mail: java-user-h...@lucene.apache.org >> >> > > > -- > - Mark > > http://www.lucidimagination.com > > > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: java-user-unsubscr...@lucene.apache.org > For additional commands, e-mail: java-user-h...@lucene.apache.org > > --------------------------------------------------------------------- To unsubscribe, e-mail: java-user-unsubscr...@lucene.apache.org For additional commands, e-mail: java-user-h...@lucene.apache.org
