[fpc-devel] Curious about the effect of all the new optimizations....

Martin Frb lazarus at mfriebe.de
Wed Mar 1 13:55:29 CET 2023


On 01/03/2023 11:55, Adriaan van Os via fpc-devel wrote:
>
> That may have been "-Performance Matters- by Emery Berger". By I find 
> it a nonsense video.

Only that last year, I had some code where it happened to me. Some code 
(that had no change in itself, other than a routine above it (which was 
not part of the benchmark) had changed, and hence the tested code 
changed alignment. IIRC over 20% speed diff. Matched exactly what he 
described.


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