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i7 slow at decompressing rars :S yet only 2% max cpu usage.

garyfl

garyfl

garyfl

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Joined
26 Jun 2010
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2,118
Location
west yorkshire.
as the title states, im a bit confuzzled by the fact my i7 950 can take 7 mins to decompress 7gb. yet when i look at cpu usage its only using around 2% , just wondered if there was a setting in winrar to use more or if there was something in the bios, starting to think my i7 is dodgy now :( same goes for a lot of programs really. even boot times though i know thats mainly affected by the hard drive and a good old SSD would remedy that :P
 
compress from one drive to another. An even if doing that winrar will decompact locally and then copy to the destination. Reading and writing to the same drive at the same time KILLS performance.
 
May I ask what hard disk you are using?

With an i7 winRAR will be limited by the speed of you hard disk, not the CPU. This is because moving data from one part of the drive to another is not very fast on mechanical hard disks. In the short term you could increase your winRAR speed if you unRAR the file to another hard disk connected to your system.

If you need to do a lot of this then an SSD would be a massive improvement.
 
oohh i see, it kinda makes perfect sense so basically im bottlenecked by the speed of my read and write speeds.

i use a western digital caviar black 6gb/sec as my boot drive atm until i can get an SSD, best to wait till the new gen ive heard.
 
Are you using the latest Winrar? I have no problems extracting files on my i7-950. Maybe it was the type of compression on that specific file.
 
Yeah, extracting large files takes ages. Watch it compress something though, and see nice juicy multithreading goodness.
 
I spent some time compressing / decompressing a couple of gb of data at a time, which was badly hard drive limited. After the first go at that, I moved the data into a ramdisk, did any compressing/splitting/checking there, then moved it onto a hard drive when finished.
 
My usenet client downloads rars to an X25-V SSD then extracts to a RAID0 partition - usually quite nippy, around 30 seconds for 4.5GB.

I realise this is slowly killing the SSD but if you're not gonna exploit the technology, why have it :p
 
Can't wait till cheaper, faster and longer life SSD is out.

I went to the cheapo kingston 64gb one for my C drive and it is really good, but will go to some raid 0 smaller and faster ones for C: soon.
 
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