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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