Chris Mason wrote (ao): > On Fri, Aug 06, 2010 at 01:55:21PM +0200, Jens Axboe wrote: > > Also, I didn't see Chris mention this, but if you have a newer intel box > > you can use hw accellerated crc32c instead. For some reason my test box > > always loads crc32c and not crc32c-intel, so I need to do that manually. > > That helps a lot with higher transfer rates. You can check support for > > hw crc32c by checking for the 'sse4_2' flag in /proc/cpuinfo. > > Yeah, the HW assisted crc does make a huge difference.
The above says "newer intel box". I did some googling and it seems to mean really Intel CPUs only, not AMD, correct? Is there a way to get hardware support for crc32c on ARM based systems? Sander -- Humilis IT Services and Solutions http://www.humilis.net -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html