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Re: Strange memory problem [message #18425 is a reply to message #18337]

Wed, 22 December 1999 00:00

Julie Greenwood
Messages: 6
Registered: December 1999

Junior Member

Liam Gumley <Liam.Gumley@ssec.wisc.edu> wrote in message
news:3860E331.C4E36EA4@ssec.wisc.edu...
> "Mark D. Williams" wrote:
>> FWIW, if you want to save time and memory, a faster way to do the above
>> is as follows:
>>
>> WAVE> temp = BYTARR(1000,1000,25, /NoZero) + 10B
>
> I get the fastest response (in IDL) with
>
> temp = replicate(10B, 1000, 1000, 25)
>
> Cheers,
> Liam.

With IDL 5.3 on WinNT I got:

temp = BYTARR(1000,1000,25, /NoZero) + 10B
1.8230000 Seconds

temp = replicate(10B, 1000, 1000, 25)
6.3290000 Seconds

I got tired of waiting (more than two minutes) for

temp=bytarr(1000,1000,25) ; 0.351 seconds for this much
temp(*)=10

Julie

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Juliet G. Greenwood
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Oceanweather Inc.
JulieG@Oceanweather.com
http://www.oceanweather.com/

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[Message index]

		Strange memory problem By: rkj on Tue, 21 December 1999 00:00
		Re: Strange memory problem By: Terry Smith on Thu, 23 December 1999 00:00
		Re: Strange memory problem By: rivers on Thu, 23 December 1999 00:00
		Re: Strange memory problem By: jeyadev on Wed, 22 December 1999 00:00
		Re: Strange memory problem By: Mark D. Williams on Wed, 22 December 1999 00:00
		Re: Strange memory problem By: m218003 on Wed, 22 December 1999 00:00
		Re: Strange memory problem By: Peter Mason on Wed, 22 December 1999 00:00
		Re: Strange memory problem By: thompson on Wed, 22 December 1999 00:00
		Re: Strange memory problem By: Julie Greenwood on Wed, 22 December 1999 00:00
		Re: Strange memory problem By: Alex Schuster on Wed, 22 December 1999 00:00
		Re: Strange memory problem By: thompson on Wed, 22 December 1999 00:00
		Re: Strange memory problem By: Julie Greenwood on Wed, 22 December 1999 00:00
		Re: Strange memory problem By: rkj on Wed, 22 December 1999 00:00

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