Re: MathLink performance
- To: mathgroup at smc.vnet.net
- Subject: [mg20237] Re: MathLink performance
- From: Jens-Peer Kuska <kuska at informatik.uni-leipzig.de>
- Date: Fri, 8 Oct 1999 18:30:15 -0400
- Organization: Universitaet Leipzig
- References: <7tgs01$smo@smc.vnet.net>
- Sender: owner-wri-mathgroup at wolfram.com
Hi, this is strange and I assume a bug in your C code. I have several MathLink programs for images and I can tell you that this effect has nothing to do with Mathematica or MathLink. Can you send me the C-source ? I will have a look on it to see whats wrong. Regards Jens "Roberto Abraham at IoA, Cambridge" wrote: > > Hi -- I'm trying to improve the performance of my MathLink C code (which > reads an image file into Mathematica). I've noticed that the first time I > call my external function to access my image data it runs much more > quickly than when I call it subsequently (by about a factor of 10). Does > anyone have an explanation for this behaviour? I've tried contacting WRI > technical support about this issue but have not really gotten an answer. > > Regards, > > Bob Abraham