http://d.puremagic.com/issues/show_bug.cgi?id=10676
Summary: excessive compilation times with optimized PIC build
Product: D
Version: D2
Platform: x86
OS/Version: Linux
Status: NEW
Severity: blocker
Priority: P2
Component: DMD
AssignedTo: [email protected]
ReportedBy: [email protected]
--- Comment #0 from Martin Nowak <[email protected]> 2013-07-19 18:58:39 PDT ---
../dmd/src/dmd -I../druntime/import -c -unittest -m32 std/algorithm.d
3.9s
../dmd/src/dmd -I../druntime/import -c -unittest -m32 -O std/algorithm.d
5.8s
../dmd/src/dmd -I../druntime/import -c -unittest -m32 -fPIC std/algorithm.d
4.0s
../dmd/src/dmd -I../druntime/import -c -unittest -m32 -O -fPIC std/algorithm.d
1.5min
Profiling showed that over 90% of the time is spent in list_append (called by
listrds) during constant propagation.
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