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gcc/libstdc++-v3
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Jonathan Wakely a15032ee7b Optimize pool resource allocation 
A recent change caused a performance regression. This restores the
previous performance and adds a performance test.

	* scripts/check_performance: Allow tests to choose a -std flag.
	* src/c++17/memory_resource.cc (bitset::get_first_unset()): Use local
	variables of the right types. Call update_next_word() unconditionally.
	* testsuite/20_util/unsynchronized_pool_resource/cons.cc: New test.
	* testsuite/performance/20_util/memory_resource/pools.cc: New test.
	* testsuite/util/testsuite_performance.h (time_counter): Allow
	timer to be restarted.

From-SVN: r266164
2018-11-15 00:04:19 +00:00
..
config Fix linker script to use [jmy] to match size_t parameters 2018-11-07 19:08:52 +00:00
doc Update GCC to autoconf 2.69, automake 1.15.1 (PR bootstrap/82856). 2018-10-31 17:03:16 +00:00
include re PR libstdc++/54005 (Use __atomic_always_lock_free in libstdc++ is_lock_free instead of __atomic_is_lock_free) 2018-11-11 22:20:19 +00:00
libsupc++ Implement P0722R3, destroying operator delete. 2018-11-12 23:40:01 -05:00
po Update GCC to autoconf 2.69, automake 1.15.1 (PR bootstrap/82856). 2018-10-31 17:03:16 +00:00
python Update GCC to autoconf 2.69, automake 1.15.1 (PR bootstrap/82856). 2018-10-31 17:03:16 +00:00
scripts Optimize pool resource allocation 2018-11-15 00:04:19 +00:00
src Optimize pool resource allocation 2018-11-15 00:04:19 +00:00
testsuite Optimize pool resource allocation 2018-11-15 00:04:19 +00:00
acinclude.m4 Define _GLIBCXX_USE_DEV_RANDOM as replacement for _GLIBCXX_USE_RANDOM_TR1 2018-10-16 15:49:29 +01:00
aclocal.m4 Update GCC to autoconf 2.69, automake 1.15.1 (PR bootstrap/82856). 2018-10-31 17:03:16 +00:00
ChangeLog Optimize pool resource allocation 2018-11-15 00:04:19 +00:00
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config.h.in Use autoconf to check for features needed by Networking TS 2018-10-16 17:12:32 +01:00
configure iconv.m4 (AM_ICONV_LINK): Don't overwrite CPPFLAGS. 2018-11-07 15:41:21 -07:00
configure.ac Update GCC to autoconf 2.69, automake 1.15.1 (PR bootstrap/82856). 2018-10-31 17:03:16 +00:00
configure.host Don't force visibility to hidden for Darwin > 8. 2018-08-25 09:02:28 +00:00
crossconfig.m4 Define _GLIBCXX_USE_DEV_RANDOM as replacement for _GLIBCXX_USE_RANDOM_TR1 2018-10-16 15:49:29 +01:00
fragment.am PR libstdc++/86450 use -Wabi=2 and simplify -Werror use 2018-07-17 14:18:47 +01:00
linkage.m4
Makefile.am Update GCC to autoconf 2.69, automake 1.15.1 (PR bootstrap/82856). 2018-10-31 17:03:16 +00:00
Makefile.in Update GCC to autoconf 2.69, automake 1.15.1 (PR bootstrap/82856). 2018-10-31 17:03:16 +00:00
README

README 

file: libstdc++-v3/README

New users may wish to point their web browsers to the file
index.html in the 'doc/html' subdirectory.  It contains brief
building instructions and notes on how to configure the library in
interesting ways.