Vedant Kumar 78dfceef4b Retry: [llvm-profdata] Speed up merging by using a thread pool ... Add a "-j" option to llvm-profdata to control the number of threads used. Auto-detect NumThreads when it isn't specified, and avoid spawning threads when they wouldn't be beneficial. I tested this patch using a raw profile produced by clang (147MB). Here is the time taken to merge 4 copies together on my laptop: No thread pool: 112.87s user 5.92s system 97% cpu 2:01.08 total With 2 threads: 134.99s user 26.54s system 164% cpu 1:33.31 total Changes since the initial commit: - When handling odd-length inputs, call ThreadPool::wait() before merging the last profile. Should fix a race/off-by-one (see r275937). Differential Revision: https://reviews.llvm.org/D22438 llvm-svn: 275938		2016-07-19 01:17:20 +00:00
..
dsymutil	dsymutil/modules: Reword the warning for static libraries without module caches	2016-05-20 20:36:06 +00:00
gold	[ThinLTO/gold] Perform index-based weak/linkonce resolution	2016-07-14 21:13:24 +00:00
llvm-ar	test: relax the match on the timestamp	2016-07-05 01:14:53 +00:00
llvm-config
llvm-cov	[llvm-cov] Place anchors around line numbers in html reports	2016-07-18 17:53:16 +00:00
llvm-cxxdump
llvm-dwp	llvm-dwp: More error handling around invalid compressed sections	2016-05-23 17:59:17 +00:00
llvm-lit
llvm-lto	[ThinLTO] Use valueid instead of bitcode offsets in combined index file	2016-04-27 13:28:35 +00:00
llvm-mc
llvm-nm
llvm-objdump	llvm-objdump: extend __mh_execute_header handling to other special syms	2016-07-14 23:13:03 +00:00
llvm-pdbdump	Update llvm-pdbdump to use subcommands.	2016-06-30 17:42:48 +00:00
llvm-profdata	Retry: [llvm-profdata] Speed up merging by using a thread pool	2016-07-19 01:17:20 +00:00
llvm-readobj	[lanai] Update ELF number to correspond to the assigned number.	2016-06-28 18:22:22 +00:00
llvm-size	Fix llvm-size to exit with non zero when it can’t open a file.	2016-05-02 21:41:03 +00:00
llvm-split
llvm-symbolizer	[Symbolize] Check if the PE file has a PDB and emit an error if we can't load it	2016-06-03 20:25:09 +00:00
lto	LTOCodeGenerator: add linkonce(_odr) to "llvm.compiler.used" when present in "MustPreserve" set	2016-05-05 05:14:24 +00:00
sancov	[sancov] Revert r271695 which broke all of the PPC bots.	2016-06-04 03:28:27 +00:00
sanstats	[yaml2obj] Remove --format option in favor of YAML tags	2016-06-27 19:53:53 +00:00
yaml2obj	[yaml2obj] Remove --format option in favor of YAML tags	2016-06-27 19:53:53 +00:00