| commit | 1f3e5ed0078fbb096c61c06a9c9c1158a09dd5d6 | [log] [tgz] |
|---|---|---|
| author | Alexander Markov <alexmarkov@google.com> | Thu Nov 11 17:48:51 2021 +0000 |
| committer | commit-bot@chromium.org <commit-bot@chromium.org> | Thu Nov 11 17:48:51 2021 +0000 |
| tree | d44224c07e508361d16558f081569319299885f2 | |
| parent | b8c156dc91f8cefbb5c52e34158e7e64d1ea70d8 [diff] |
[vm/aot/tfa] Approximate invocations of large methods In order to avoid spending too much time analyzing multiple invocations of huge methods with different combinations of argument types, the following heuristic is added to type flow analysis: - if size of a method summary >= N operations, and - number of invocations for this method >= M, then create and use an approximate invocation with raw argument types for all subsequent invocations (so that we would have to analyze at most M+1 invocations per huge method). Constants N = 300 and M = 10 are selected so that size of Flutter gallery AOT snapshot is not affected, and at the same time compilation time of example involving huge auto-generated methods from issue https://github.com/dart-lang/sdk/issues/47546 is not regressed very much (<10s). TEST=ci Issue https://github.com/dart-lang/sdk/issues/47546 Change-Id: I6a452872b13bd32928585fce4431ec1176833e6c Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/219749 Reviewed-by: Slava Egorov <vegorov@google.com> Commit-Queue: Alexander Markov <alexmarkov@google.com>
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