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| author | Andi Kleen <ak@linux.intel.com> | 2011-06-21 02:41:01 +0400 |
|---|---|---|
| committer | Junio C Hamano <gitster@pobox.com> | 2011-06-21 03:31:44 +0400 |
| commit | 39001007390a699265f16da47474d2b112118931 (patch) | |
| tree | 8cd0d0e19d6bf2dd156e1f2aa69fea8eebf034e8 /INSTALL | |
| parent | 7ddc2710b97f223a13d9ff757948cdf9c8a22f66 (diff) | |
Add explanation of the profile feedback build to the README
Also explains that the are additional warnings.
Signed-off-by: Andi Kleen <ak@linux.intel.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Diffstat (limited to 'INSTALL')
| -rw-r--r-- | INSTALL | 13 |
1 files changed, 13 insertions, 0 deletions
@@ -25,6 +25,19 @@ set up install paths (via config.mak.autogen), so you can write instead $ make all doc ;# as yourself # make install install-doc install-html;# as root +If you're willing to trade off (much) longer build time for a later +faster git you can also do a profile feedback build with + + $ make profile-all + # make prefix=... install + +This will run the complete test suite as training workload and then +rebuild git with the generated profile feedback. This results in a git +which is a few percent faster on CPU intensive workloads. This +may be a good tradeoff for distribution packagers. + +Note that the profile feedback build stage currently generates +a lot of additional compiler warnings. Issues of note: |