Makefile: use gcc optimization flag -fipa-pta#26
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ColinIanKing wants to merge 1 commit intollnl:masterfrom
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Makefile: use gcc optimization flag -fipa-pta#26ColinIanKing wants to merge 1 commit intollnl:masterfrom
ColinIanKing wants to merge 1 commit intollnl:masterfrom
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From gcc 4.2 (March 2009) the compiler has supported the -fipa-pta option that performs interprocedural pointer analysis and interprocedural modification and reference analysis. This is a useful optimization for lulesh and shows performance improvements as detailed below: Toolchain CPU peformance improvement g++ 14.2.0 Xeon 8380 0.2% g++ 14.2.1 i9-12900 1.2% g++ 13.2.0 i7-6700 1.2% Signed-off-by: Colin Ian King <colin.i.king@gmail.com>
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From gcc 4.2 (March 2009) the compiler has supported the -fipa-pta option that performs interprocedural pointer analysis and interprocedural modification and reference analysis. This is a useful optimization for lulesh and shows performance improvements as detailed below:
Toolchain CPU peformance improvement
g++ 14.2.0 Xeon 8380 0.2%
g++ 14.2.1 i9-12900 1.2%
g++ 13.2.0 i7-6700 1.2%