Hi, Dbench config: dbench -D /mnt/test -t 30 6 -c ./client.txt
Numbers: 1. 355MB/s ext4 2. 225MB/s just the latest f2fs from dev branch (9cf3c38) 3. 525MB/s fs/f2fs/file.c changed 4. 225MB/s fs/f2fs/node.c changed 5. 522MB/s both fs/f2fs/file.c and fs/f2fs/node.c changed 28.02.2014, 05:43, "Jaegeuk Kim" <jaegeuk....@samsung.com>: > Hi, > > Thank you for the report. > > Unfortunately, when I measured dbench in my latest kernel, there was no > regression wrt the patch that you found. > > Kernel: 3.14-rc3 with latest f2fs source codes > HW: Intel i5 > OS: Ubuntu 12.10 x64 > Test: dbench -D /mnt/test -t 6 6 -c ./client.txt > > The results showed: > - ext4 : 203 MB/s > - f2fs : 318 MB/s > > So, could you share the exact configuration of your dbench? > And, if possible, could you share the numbers of the following tests in > your environment? > > 1. ext4 > 2. the latest f2fs from dev branch > 3. modified f2fs from the latest f2fs > : fs/f2fs/file.c > 118 .sync_mode = WB_SYNC_ALL; > > 4. modified f2fs from the latest f2fs > : fs/f2fs/node.c > 1221 wbc->sync_mode = WB_SYNC_ALL; > > 5. modified f2fs with #3 and #4 changes together > > Thank you very much. :) > > 2014-02-27 (목), 19:02 +0400, Alex: > >> Hello, >> >> After reading phoronix's f2fs benchmarks >> http://www.phoronix.com/scan.php?page=article&item=linux_314_ssdfs&num=2 >> (3rd picture) did kernel bisect and it resulted in this commit >> https://git.kernel.org/cgit/linux/kernel/git/stable/linux-stable.git/commit/?id=fb5566da >> . >> >> PS Tried the latest tree from f2fs dev branch with the same results >> https://git.kernel.org/cgit/linux/kernel/git/jaegeuk/f2fs.git/commit/?h=dev&id=695fd1ed >> . >> >> >> ------------------------------------------------------------------------------ >> Flow-based real-time traffic analytics software. Cisco certified tool. >> Monitor traffic, SLAs, QoS, Medianet, WAAS etc. with NetFlow Analyzer >> Customize your own dashboards, set traffic alerts and generate reports. >> Network behavioral analysis & security monitoring. All-in-one tool. >> http://pubads.g.doubleclick.net/gampad/clk?id=126839071&iu=/4140/ostg.clktrk >> _______________________________________________ >> Linux-f2fs-devel mailing list >> Linux-f2fs-devel@lists.sourceforge.net >> https://lists.sourceforge.net/lists/listinfo/linux-f2fs-devel > > -- > Jaegeuk Kim > Samsung ------------------------------------------------------------------------------ Flow-based real-time traffic analytics software. Cisco certified tool. Monitor traffic, SLAs, QoS, Medianet, WAAS etc. with NetFlow Analyzer Customize your own dashboards, set traffic alerts and generate reports. Network behavioral analysis & security monitoring. All-in-one tool. http://pubads.g.doubleclick.net/gampad/clk?id=126839071&iu=/4140/ostg.clktrk _______________________________________________ Linux-f2fs-devel mailing list Linux-f2fs-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/linux-f2fs-devel
