[Issue 14256] Poor IO performance on 64-bit dmd 2.066 (OS X)

via Digitalmars-d-bugs digitalmars-d-bugs at puremagic.com
Tue Jun 27 23:25:37 PDT 2017


https://issues.dlang.org/show_bug.cgi?id=14256

--- Comment #15 from Vladimir Panteleev <dlang-bugzilla at thecybershadow.net> ---
(In reply to Jon Degenhardt from comment #14)
> This can be seen in part in the source file
> (https://github.com/dlang/phobos/blob/master/std/stdio.d) by searching for
> HAS_GETDELIM and NO_GETDELIM. Most platforms are listed as one or the other,
> Windows does not appear to be included and may still use a slow
> implementation.

The DigitalMars and Microsoft C runtime versions have their own implementation
of readlnImpl targeting those runtimes.

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