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| author | Marius Storm-Olsen <marius@trolltech.com> | 2009-05-31 18:15:23 +0200 |
|---|---|---|
| committer | Junio C Hamano <gitster@pobox.com> | 2009-06-01 00:27:39 -0700 |
| commit | f0ed8226c9c65f2a324610258418258229e77fbe (patch) | |
| tree | 91064df5ceb0d429fc2a35bdbeccaf443ddd8133 /Makefile | |
| parent | e16c60d9f98c66fd2c9bba64562b3439970c13f8 (diff) | |
| download | git-f0ed8226c9c65f2a324610258418258229e77fbe.tar.gz | |
Add custom memory allocator to MinGW and MacOS builds
The standard allocator on Windows is pretty bad prior
to Windows Vista, and nedmalloc is better than the
modified dlmalloc provided with newer versions of the
MinGW libc.
NedMalloc stats in Git
----------------------
All results are the best result out of 3 runs. The
benchmarks have been done on different hardware, so
the repack times are not comparable.
These benchmarks are all based on 'git repack -adf'
on the Linux kernel.
XP
-----------------------------------------------
MinGW Threads Total Time Speed
-----------------------------------------------
3.4.2 (1T) 00:12:28.422
3.4.2 + nedmalloc (1T) 00:07:25.437 1.68x
3.4.5 (1T) 00:12:20.718
3.4.5 + nedmalloc (1T) 00:07:24.809 1.67x
4.3.3-tdm (1T) 00:12:01.843
4.3.3-tdm + nedmalloc (1T) 00:07:16.468 1.65x
4.3.3-tdm (2T) 00:07:35.062
4.3.3-tdm + nedmalloc (2T) 00:04:57.874 1.54x
Vista
-----------------------------------------------
MinGW Threads Total Time Speed
-----------------------------------------------
4.3.3-tdm (1T) 00:07:40.844
4.3.3-tdm + nedmalloc (1T) 00:07:17.548 1.05x
4.3.3-tdm (2T) 00:05:33.746
4.3.3-tdm + nedmalloc (2T) 00:05:27.334 1.02x
Mac Mini
-----------------------------------------------
GCC Threads Total Time Speed
-----------------------------------------------
i686-darwin9-4.0.1 (2T) 00:09:57.346
i686-darwin9-4.0.1+ned (2T) 00:08:51.072 1.12x
Signed-off-by: Marius Storm-Olsen <marius@trolltech.com>
Signed-off-by: Steffen Prohaska <prohaska@zib.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Diffstat (limited to 'Makefile')
| -rw-r--r-- | Makefile | 9 |
1 files changed, 9 insertions, 0 deletions
@@ -178,6 +178,9 @@ all:: # # Define NO_CROSS_DIRECTORY_HARDLINKS if you plan to distribute the installed # programs as a tar, where bin/ and libexec/ might be on different file systems. +# +# Define USE_NED_ALLOCATOR if you want to replace the platforms default +# memory allocators with the nedmalloc allocator written by Niall Douglas. GIT-VERSION-FILE: .FORCE-GIT-VERSION-FILE @$(SHELL_PATH) ./GIT-VERSION-GEN @@ -844,6 +847,7 @@ ifneq (,$(findstring MINGW,$(uname_S))) NO_ST_BLOCKS_IN_STRUCT_STAT = YesPlease NO_NSEC = YesPlease USE_WIN32_MMAP = YesPlease + USE_NED_ALLOCATOR = YesPlease UNRELIABLE_FSTAT = UnfortunatelyYes OBJECT_CREATION_USES_RENAMES = UnfortunatelyNeedsTo COMPAT_CFLAGS += -D__USE_MINGW_ACCESS -DNOGDI -Icompat -Icompat/regex -Icompat/fnmatch @@ -1130,6 +1134,11 @@ ifdef UNRELIABLE_FSTAT BASIC_CFLAGS += -DUNRELIABLE_FSTAT endif +ifdef USE_NED_ALLOCATOR + COMPAT_CFLAGS += -DUSE_NED_ALLOCATOR -DOVERRIDE_STRDUP -DNDEBUG -DREPLACE_SYSTEM_ALLOCATOR -Icompat/nedmalloc + COMPAT_OBJS += compat/nedmalloc/nedmalloc.o +endif + ifeq ($(TCLTK_PATH),) NO_TCLTK=NoThanks endif |