mbox series

[v2,0/1] blame: remove unnecessary use of get_commit_info()

Message ID 20210217145443.36764-1-rafaeloliveira.cs@gmail.com (mailing list archive)
Headers show
Series blame: remove unnecessary use of get_commit_info() | expand

Message

Rafael Silva Feb. 17, 2021, 2:54 p.m. UTC 
Thanks Taylor, Derrick and Junio for reviewing v1. I've updated the
patch's message to include one of the performance reports that was
previously only on the cover-letter as suggested.

Rafael Silva (1):
  blame: remove unnecessary use of get_commit_info()

 builtin/blame.c | 8 +++-----
 1 file changed, 3 insertions(+), 5 deletions(-)

Range-diff against v1:
1:  e0c698370e ! 1:  4d70ce9545 blame: remove unnecessary use of get_commit_info()
    @@ Commit message
         structure and remove the internal call to get_commit_info() thus
         cleaning up and optimizing the code path.
     
    +    Enabling Git's trace2 API in order to record the execution time for
    +    every call to determine_line_heat() function:
    +
    +       + trace2_region_enter("blame", "determine_line_heat", the_repository);
    +         determine_line_heat(ent, &default_color);
    +       + trace2_region_enter("blame", "determine_line_heat", the_repository);
    +
    +    Then, running `git blame` for "kernel/fork.c" in linux.git and summing
    +    all the execution time for every call (around 1.3k calls) resulted in
    +    2.6x faster execution (best out 3):
    +
    +       git built from 328c109303 (The eighth batch, 2021-02-12) = 42ms
    +       git built from 328c109303 + this change                  = 16ms
    +
         Signed-off-by: Rafael Silva <rafaeloliveira.cs@gmail.com>
     
      ## builtin/blame.c ##