benchmark: add warm run #7198
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benchmark: add warm run #7198
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Signed-off-by: Javier Chávarri <[email protected]>
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Please consider merging this PR before performance fix in #7187. |
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* main: (56 commits) feature: add terminal ui backend based on NoTTY (ocaml#6996) doc(coq): update documentation about coqdep fix(rules): don't descend into automatic subdirs infinitely (ocaml#7208) benchmark: add warm run (ocaml#7198) test: vendored and public libs (ocaml#7197) test: use sh in concurrent test (ocaml#7205) fix: custom log file path (ocaml#7200) test(melange): add test exercising ocaml#7104 (ocaml#7204) test(melange): add a test that introduces rules in the target dir (ocaml#7196) test: duplicate packages in vendor dir (ocaml#7194) melange: interpret `melc --where` as a list of `:`-separated paths (ocaml#7176) perf: add synthetic benchmark (ocaml#7189) Test case for bug report (ocaml#6725) Add test illustrating ocaml#6575 (ocaml#6576) chore: add rule streaming proposal (ocaml#7195) test(stdlib): merge wrapped/unwrapped tests test: move all stdlib tests fix: allow unwrapped libraries with `(stdlib ..)` test: demonstrate crash in modules.ml when `(stdlib .. )` used with `(wrapped false)` fix(install): respect display options (ocaml#7116) ...
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Continuation of #7189.
I am looking at the first results of cold synthetic benchmarks and I am afraid any regressions or improvements on dune specific code might be hard to see because most time in cold builds is spent on calls to ocamlopt.
As discussed, this PR adds another bench that measures build time for warm builds. It is essentially the same code except the
dune cleanstep between runs is replaced with justtrue.Sample rendered chart: https://jchavarri.github.io/dune/dev/bench/