https://d.puremagic.com/issues/show_bug.cgi?id=12137
Summary: [REG DMD2.065-b3] Huge decline in performance
Product: D
Version: D2
Platform: All
OS/Version: All
Status: NEW
Severity: regression
Priority: P2
Component: DMD
AssignedTo: [email protected]
ReportedBy: [email protected]
--- Comment #0 from S�nke Ludwig <[email protected]> 2014-02-12 02:26:20
PST ---
When compiling vibe.d, the performance and memory requirements of DMD got
significantly worse (about 7x slower and up to 1.5x more memory requirement).
Some measurements in Windows/32:
DMD 2.064: 5.5 s with about 780 MiB memory used
DMD 2.065-b1: 36 s with about 880 MiB memory used
DMD 2.065-b3: 40 s with about 880 MiB memory used
Others report even higher numbers for memory usage [1] [2]. This gets critical,
as DMD-32 now fails to compile a number of existing projects due to
out-of-memory errors.
Simplest way to reproduce is with the latest DUB release candidate [3]:
$ dub fetch vibe-d --version=0.7.19-beta.3
$ dub build vibe-d --force -v
[1]:
http://forum.rejectedsoftware.com/groups/rejectedsoftware.vibed/thread/11179/
[2]:
http://forum.dlang.org/thread/[email protected]?page=4#post-uckojuzmhytcyjtotomt:40forum.dlang.org
[3]: http://code.dlang.org/download
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