comp.lang.idl-pvwave archive: archive » Re: Speed penalty using START and COUNT with HDF_SD

Home » Public Forums » archive » Re: Speed penalty using START and COUNT with HDF_SD_GETDATA

Show: Today's Messages :: Show Polls :: Message Navigator
E-mail to friend

Re: Speed penalty using START and COUNT with HDF_SD_GETDATA [message #26495 is a reply to message #26494]

Wed, 05 September 2001 17:19

Mark Hadfield
Messages: 783
Registered: May 1995

Senior Member

From: "Reimar Bauer" <r.bauer@fz-juelich.de>
> Mark Hadfield wrote:
>> "Bob Fugate" <rqfugate@mindspring.com> wrote in message
> ...
> I believe both of you are using unlimited dimension.

I wasn't referring to subsampling data along an unlimited dimension and
neither (as far as I can tell) was Bob.

> During reading data in limited dimension is much much more faster,

Yes, I have found that. It becomes a significant problem when there is a
large number of records, each containing a small amount of data.

---
Mark Hadfield
m.hadfield@niwa.cri.nz http://katipo.niwa.cri.nz/~hadfield
National Institute for Water and Atmospheric Research

--
Posted from clam.niwa.cri.nz [202.36.29.1]
via Mailgate.ORG Server - http://www.Mailgate.ORG

Report message to a moderator

[Message index]

		Re: Speed penalty using START and COUNT with HDF_SD_GETDATA By: Mark Hadfield on Wed, 05 September 2001 17:29
		Re: Speed penalty using START and COUNT with HDF_SD_GETDATA By: Mark Hadfield on Wed, 05 September 2001 17:19
		Re: Speed penalty using START and COUNT with HDF_SD_GETDATA By: R.Bauer on Wed, 05 September 2001 08:44
		Re: Speed penalty using START and COUNT with HDF_SD_GETDATA By: Bob Fugate on Wed, 05 September 2001 04:13
		Re: Speed penalty using START and COUNT with HDF_SD_GETDATA By: R.Bauer on Wed, 05 September 2001 00:35
		Re: Speed penalty using START and COUNT with HDF_SD_GETDATA By: Mark Hadfield on Tue, 04 September 2001 22:52
		Re: Speed penalty using START and COUNT with HDF_SD_GETDATA By: Bob Fugate on Sat, 08 September 2001 08:29

Previous Topic:	Re: MPEG_SAVE
Next Topic:	Re: cmyk colorcoded postscript file

-=] Back to Top [=-

[ Syndicate this forum (XML) ] [

] [

]

Current Time: Sat Oct 11 00:45:27 PDT 2025

Total time taken to generate the page: 1.60150 seconds