[Issue 17577] 20%+ Performance degradation in std.conv.to due to 'import std.getopt'
via Digitalmars-d-bugs
digitalmars-d-bugs at puremagic.com
Thu Jun 29 18:34:46 PDT 2017
https://issues.dlang.org/show_bug.cgi?id=17577
--- Comment #3 from Jon Degenhardt <jrdemail2000-dlang at yahoo.com> ---
Properly adding -inline to the DMD compiler line eliminates the degradation in
the DMD builds, at least in 2.075.0-b1. (I deleted 2.074 when updating to
beta-1.)
The updated table:
| | Without | With |
| Compiler | getopt import | getopt import |
|----------------+---------------+---------------|
| DMD 2.075.0-b1 | 5.00 | 4.98 |
| LDC 1.2 | 4.27 | 6.06 |
| LDC 1.3 | 3.61 | 4.63 |
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