... it's Windows issue

Yes - and I think it's worth raising at https://github.com/Perl/perl5/issues.
I'm getting similar results on Windows 11, with both perl-5.38.0 and the latest devel release (perl-5.39.4).
Update: If this is the same issue as https://github.com/Perl/perl5/issues/21360, then it has not been fixed.

My system seems to be roughly twice as fast as yours. For the final block I get: 
Array size: 5000000
        split, no pre-heat:     3.296
        split, pre-heat:        3.421
        match, no pre-heat:     38.257
        match, pre-heat:        1.578
        io(list), no pre-heat:  38.547
        io(list), pre-heat:     1.280

[download]
With cygwin's perl-5.38.0 on this same Windows 11 system, I see: 
Array size: 5000000
        split, no pre-heat:     3.280
        split, pre-heat:        3.265
        match, no pre-heat:     6.952
        match, pre-heat:        1.734
        io(list), no pre-heat:  5.920
        io(list), pre-heat:     0.969

[download]
So there's still a 6x slowdown for "match" and "io(list)" - but that's nowhere near as bad as the native windows perl.
I think that demonstrates there's a potential for significant improvement in the performance of the native windows builds.

With perl-5.38.0 on freebsd12, I see no timing disparity: 
Array size: 5000000
        split, no pre-heat:     10.392
        split, pre-heat:        10.533
        match, no pre-heat:     3.642
        match, pre-heat:        3.593
        io(list), no pre-heat:  3.166
        io(list), pre-heat:     3.081

[download]
Cheers,
Rob

In reply to Re: Strawberry: Both IO and global match are VERY SLOW. Unless pre-heated (but why?) by syphilis
in thread Strawberry: Both IO and global match are VERY SLOW. Unless pre-heated (but why?) by Anonymous Monk

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