unzip parallel, 3x faster than 7zip

[Sean Cavanaugh]

On 4/5/2012 6:53 PM, Jay Norwood wrote:
>
>>
>
> I'm curious why win7 is such a dog when removing directories. I see a
> lot of disk read activity going on which seems to dominate the delete
> time. This doesn't make any sense to me unless there is some file
> caching being triggered on files being deleted. I don't see any virus
> checker app being triggered ... it all seems to be system read activity.
> Maybe I'll try non cached flags, write truncate to 0 length before
> deleting and see if that results in faster execution when the files are
> deleted...
>
>
>

If you delete a directory containing several hundred thousand 
directories (each with 4-5 files inside, don't ask), you can see windows 
freeze for long periods (10+seconds) of time until it is finished, which 
affects everything up to and including the audio mixing (it starts 
looping etc).