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Re: Writing a very large file [message #57407]

Sat, 08 December 2007 08:19

Bringfried Stecklum is currently offline

Bringfried Stecklum
Messages: 75
Registered: January 1996

Member

Hi Wayne,

these are the results I get on my old laptop

0 0.19904590
1 0.20663810
2 0.20261288
3 0.20232391
4 0.20302701
5 0.20535898
6 0.21716094
7 0.20427299
8 0.20487905
9 0.21450901
10 1.1617432
11 0.22542715
12 0.21031618
13 0.21396208
14 0.21563792
15 0.21073008
16 0.22037601
17 0.66201711
18 0.50106001
19 3.6788890
20 1.0018129

So every now and then it takes longer. I noticed that even after the IDL
procedure finished the disk is still busy for while which indicates that
the buffer is being flushed to disk. Another thing is whether DMA/UDMA
is enabled which you can check/set with hdparm. But I think you would
have noticed that already since without DMA the system is awfully slow.

regards,

Bringfried

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[Message index]

		Re: Writing a very large file By: Bringfried Stecklum on Sat, 08 December 2007 08:19
		Re: Writing a very large file By: Kenneth Bowman on Fri, 07 December 2007 20:50
		Re: Writing a very large file By: Jim Pendleton, ITT Vi on Fri, 07 December 2007 13:47
		Re: Writing a very large file By: Jean H. on Fri, 07 December 2007 13:23
		Re: Writing a very large file By: pgrigis on Fri, 07 December 2007 12:39
		Re: Writing a very large file By: David Fanning on Fri, 07 December 2007 12:23
		Re: Writing a very large file By: wlandsman on Mon, 10 December 2007 07:24
		Re: Writing a very large file By: Kenneth Bowman on Mon, 10 December 2007 07:43

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