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From: aotto1968 <aotto1968@t-online.de>
Newsgroups: comp.lang.tcl
Subject: Re: tcl versa python regarding performance
Date: Mon, 19 Aug 2024 14:26:39 +0200
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On 19.08.24 00:29, et99 wrote:
> On 8/18/2024 1:42 PM, aotto1968 wrote:
>>
>> add some documentation regarding the performance testing:
>> -> http://thedev.nhi1.de/theLink/main/md_docs_2main_2README__PERFORMANCE.htm
> 
> 
> I recently wrote some C code using Visual Studio 2022 and they have a wonderful performance profiler. I was able to determine 
> that 80% of the cost of the module I was developing was caused by calls to some library routines I was using. By writing my own 
> versions that didn't need to be so generalized, I got that down to 10%.
> 
> One problem was that once I turned on the compiler optimization, the profiler became pretty much worthless to measure my own 
> code's performance, so I couldn't get that 10% any lower.
> 
> But it would be kinda cool to try using those VS tools on the tcl source code, but I don't know of any way to build tcl inside 
> VS where one could use those tools.
> 

With the callgrind tool on linux you can analyze any kind of executable, even executable's without symbols compiled in.