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Update makefile to use PGO with Intel C++ v11.0

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Update profiler guided optimization instructions in
Makefile to the latest Intel C++ compiler.

Signed-off-by: Marco Costalba <mcostalba@gmail.com>
This commit is contained in:
Marco Costalba 2009-05-04 11:38:08 +02:00
parent 412d68fe4f
commit 5c703b7526
1 changed files with 3 additions and 3 deletions
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6
src/Makefile
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@ -91,15 +91,15 @@ CXXFLAGS += -wd383,869,981
# CXXFLAGS += -mdynamic-no-pic -no-prec-div -ipo -static -xP
# Profiler guided optimization with the Intel C++ compiler. To use it, first
# Profiler guided optimization with the Intel C++ compiler v11. To use it, first
# create the directory ./profdata if it does not already exist, and delete its
# contents if it does exist. Then compile with -prof_gen, and run the
# resulting binary for a while (for instance, do ./stockfish bench 128 1, and
# wait 15 minutes for the benchmark to complete). Then do a 'make clean', and
# recompile with -prof_use.
# CXXFLAGS += -prof_gen -prof_dir profdata
# CXXFLAGS += -prof_use -prof_dir ./profdata
# CXXFLAGS += -prof-gen -prof-dir./profdata
# CXXFLAGS += -prof-use -ipo -prof_dir./profdata
# Profiler guided optimization with GCC. I've never been able to make this