tree 024e0eec30c20561b1f33e2ae7092793f697a3f5
parent 25dcdbbfed86bf49db9e46c37ce3743dc38c309f
author Bob Nystrom <rnystrom@google.com> 1715742244 -0700
committer GitHub <noreply@github.com> 1715742244 -0700
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Support running benchmarks in AOT mode. (#1486)

Support running benchmarks in AOT mode.

Many of the optimizations I'm trying have a relatively small
improvement. That can make it hard to tell if they are actually an
improvement if there is enough variance in the runs that they are lost
in the noise.

AOT builds don't need warm-up time and seem to have generally lower
variance than JIT runs. Also, they are how the shipped formatter is
run in `dart format`. So this adds support to the two benchmark scripts
for running themselves in AOT snapshot mode.

I added support for this directly to the scripts instead of just
manually compiling and running them on the command line (which works
fine) because this way it's less error-prone. I don't have to remember
to re-compile the AOT snapshot and risk using an old build which is an
easy mistake to make when the only behavioral difference is (possibly)
performance.

Also, tweaked the profiler output a little.