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| author | csilvers <csilvers@6b5cf1ce-ec42-a296-1ba9-69fdba395a50> | 2010-08-05 20:36:47 +0000 |
|---|---|---|
| committer | csilvers <csilvers@6b5cf1ce-ec42-a296-1ba9-69fdba395a50> | 2010-08-05 20:36:47 +0000 |
| commit | 682ff7da1205398376ee725b4ce3219c107b3f8a (patch) | |
| tree | 5140c04e49c3be7a04985ce4f67b04cfbc66034c /README | |
| parent | 488eee994d571da216ef105d4144282c801f0eee (diff) | |
| download | gperftools-682ff7da1205398376ee725b4ce3219c107b3f8a.tar.gz | |
Thu Aug 5 12:48:03 PDT 2010
* google-perftools: version 1.6 release
* Add tc_malloc_usable_size for compatibility with glibc (csilvers)
* Override malloc_usable_size with tc_malloc_usable_size (csilvers)
* Default to no automatic heap sampling in tcmalloc (csilvers)
* Add -DTCMALLOC_LARGE_PAGES, a possibly faster tcmalloc (rus)
* Make some functions extern "C" to avoid false ODR warnings (jyasskin)
* pprof: Add SVG-based output (rsc)
* pprof: Extend pprof --tools to allow per-tool configs (csilvers)
* pprof: Improve support of 64-bit and big-endian profiles (csilvers)
* pprof: Add interactive callgrind suport (weidenri...)
* pprof: Improve address->function mapping a bit (dpeng)
* Better detection of when we're running under valgrind (csilvers)
* Better CPU-speed detection under valgrind (saito)
* Use, and recommend, -fno-builtin-malloc when compiling (csilvers)
* Avoid false-sharing of memory between caches (bmaurer)
* BUGFIX: Fix heap sampling to use correct alloc size (bmauer)
* BUGFIX: Avoid gcc 4.0.x bug by making hook-clearing atomic (csilvers)
* BUGFIX: Avoid gcc 4.5.x optimization bug (csilvers)
* BUGFIX: Work around deps-determining bug in libtool 1.5.26 (csilvers)
* BUGFIX: Fixed test to use HAVE_PTHREAD, not HAVE_PTHREADS (csilvers)
* BUGFIX: Fix tls callback behavior on windows when using wpo (wtc)
* BUGFIX: properly align allocation sizes on Windows (antonm)
* BUGFIX: Fix prototypes for tcmalloc/debugalloc wrt throw() (csilvers)
* DOC: Updated heap-checker doc to match reality better (fischman)
* DOC: Document ProfilerFlush, ProfilerStartWithOptions (csilvers)
* DOC: Update docs for heap-profiler functions (csilvers)
* DOC: Clean up documentation around tcmalloc.slack_bytes (fikes)
* DOC: Renamed README.windows to README_windows.txt (csilvers)
* DOC: Update the NEWS file to be non-empty (csilvers)
* PORTING: Fix windows addr2line and nm with proper rc code (csilvers)
* PORTING: Add CycleClock and atomicops support for arm 5 (sanek)
* PORTING: Improve PC finding on cygwin and redhat 7 (csilvers)
* PORTING: speed up function-patching under windows (csilvers)
git-svn-id: http://gperftools.googlecode.com/svn/trunk@97 6b5cf1ce-ec42-a296-1ba9-69fdba395a50
Diffstat (limited to 'README')
| -rw-r--r-- | README | 9 |
1 files changed, 7 insertions, 2 deletions
@@ -11,7 +11,7 @@ tcmalloc -- a replacement for malloc and new. See below for some environment variables you can use with tcmalloc, as well. tcmalloc functionality is available on all systems we've tested; see -INSTALL for more details. See README.windows for instructions on +INSTALL for more details. See README_windows.txt for instructions on using tcmalloc on Windows. NOTE: When compiling with programs with gcc, that you plan to link @@ -161,7 +161,7 @@ in its full generality only on those systems. However, we've successfully ported much of the tcmalloc library to FreeBSD, Solaris x86, and Darwin (Mac OS X) x86 and ppc; and we've ported the basic functionality in tcmalloc_minimal to Windows. See INSTALL for details. -See README.windows for details on the Windows port. +See README_windows.txt for details on the Windows port. PERFORMANCE @@ -175,6 +175,11 @@ win32's malloc. http://www.highlandsun.com/hyc/malloc/ http://gaiacrtn.free.fr/articles/win32perftools.html +It's possible to build tcmalloc in a way that trades off faster +performance (particularly for deletes) at the cost of more memory +fragmentation (that is, more unusable memory on your system). See the +INSTALL file for details. + OLD SYSTEM ISSUES ----------------- |