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flat assembler > Windows > How do you benchmark/profile code?

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vivik



Joined: 29 Oct 2016
Posts: 396

How do you benchmark/profile code?

Do you use some tools for that or something?
Post 09 Feb 2018, 18:35
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revolution
When all else fails, read the source


Joined: 24 Aug 2004
Posts: 15817
Location: Misner space

RDTSC is useful for short times.

The QPC API can also be useful for longer times.

Or the "wall clock" for even longer times.

I've never felt the need for more than that.
Post 09 Feb 2018, 18:39
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rugxulo



Joined: 09 Aug 2005
Posts: 2279
Location: Usono (aka, USA)

RDTSCP (since 2010) is preferred under SMP, Naive measurements can be done with *nix sh "time". Others (e.g. DJGPP) have "redir -t". OpenWatcom has wprof. GCC has gprof. Linux has perf and valgrind. Or you may just count calling your heavy routines manually (via extra code).

https://en.wikipedia.org/wiki/List_of_performance_analysis_tools

Or did you really mean "Windows only" (since this is the Windows subforum)???
Post 09 Feb 2018, 21:25
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vivik



Joined: 29 Oct 2016
Posts: 396

Yep, windows tools. How visual studio users benchmark their code, maybe they have some good way of doing that.
Post 10 Feb 2018, 07:31
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