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wscript: Use -mtune=native by default for performance boost benefiting those who build from source, packagers can disable.

This commit is contained in:
Jonathan Moore Liles 2020-11-22 20:37:10 -08:00
parent 9e82b28f07
commit 7c071c7422
1 changed files with 9 additions and 0 deletions
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wscript
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@ -21,6 +21,8 @@ def options(opt):
help='Build for debugging')
opt.add_option('--disable-sse', action='store_false', default=True, dest='sse',
help='Disable SSE optimization')
opt.add_option('--disable-native-cpu-optimization', action='store_false', default=True, dest='native',
help='Disable native CPU optimziation (e.g. for generic binary packaging)')
opt.add_option('--project', action='store', default=False, dest='project',
help='Limit build to a single project (' + ', '.join( projects ) + ')')
@ -94,6 +96,13 @@ def configure(conf):
"-ffast-math",
"-pipe"
]
if Options.options.native:
print('Using native CPU optimization')
optimization_flags.extend( [
"-march=native",
"-mtune=native", # ~200% DSP performance increase on AMD bulldozer...
]);
if Options.options.sse:
print('Using SSE optimization')