Speed and Memory Use

John — Thu, 21 Mar 2013 17:20:38 GMT

/* Notes */

Revision as of 17:20, 21 March 2013		Current revision
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	time ./vips.sh wtc_tiled_small.tif wtc2.tif		time ./vips.sh wtc_tiled_small.tif wtc2.tif

-	On a quiet system with the quickest real time of three runs recorded.	+	On a quiet system with the quickest real time of three runs recorded. I didn't try to clear the disc cache so the disc speed should not be a factor. The peak memory column was from watching RSS on "top". I used the systems as packaged for Ubuntu, unless otherwise indicated. I last ran these tests on 17 Feb, 2013 and used the current stable version of every package.

-	I didn't try to clear the disc cache so the disc speed should not be a factor.	+	I don't know much about OpenCV and I'm sure it could be made to run this benchmark faster. OpenCV is also not (very) threaded, so on a single-core machine it would be much closer.
-		+
-	The peak memory column was from watching RSS on "top".	+
-		+
-	I used the systems as packaged for Ubuntu, unless otherwise indicated. I last ran these tests on 17 Feb, 2013 and used the current stable version of every package.	+
-		+
-	I don't know much about OpenCV and I'm sure it could be made to run this benchmark faster.	+

	Some systems, like ImageScience and nip2, have relatively long start-up times and this hurts their position in the table.		Some systems, like ImageScience and nip2, have relatively long start-up times and this hurts their position in the table.

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