Am Sun, 22 Apr 2012 01:10:18 +0200 schrieb "Jay Norwood" <[email protected]>:
> I was able to achieve similar efficiency to the defrag result on > ntfs by using a modified version of std.file.write that uses > FILE_FLAG_WRITE_THROUGH. The ntfs rmdir of the 2GB layout takes 6 > sec vs 161 sec when removing the unzipped layout. I posted the > measurements in D.learn, as well as the modified code. > > http://forum.dlang.org/thread/[email protected] > > This has a big effect on processing files in a folder of a hard > drive, where the operations are dominated by the seek times. So when you did your first measurements, with 160 seconds for rmd, did you wait for the I/O to complete? Sorry if that's a stupid question :p but that's the obvious difference when using write-through from what the documentation says. -- Marco
