[turbolev] Introduce max_turbolev_inlined_bytecode_size_cumulative [v8/v8 : main]

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Jakob Linke (Gerrit)

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Sep 4, 2025, 6:20:54 AM (3 days ago) Sep 4
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V8 LUCI CQ (Gerrit)

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Change information

Commit message:
[turbolev] Introduce max_turbolev_inlined_bytecode_size_cumulative

.. since Turbolev inlining behavior differs from Turbofan and a
common budget (currently) doesn't make sense.

Notably, Turbolev does loop peeling before inlining whereas Turbofan
inlines first. This means that whenever peeling occurs, calls inside
the loop body are duplicated by TL, and we need a higher budget than TF
to reach similar behavior.

This CL doubles the TF budget for Turbolev.
Change-Id: I967d084ac33abbda8ee1bf4b85209b28bd4db5ea
Reviewed-by: Darius Mercadier <dmerc...@chromium.org>
Commit-Queue: Jakob Linke <jgr...@chromium.org>
Cr-Commit-Position: refs/heads/main@{#102239}
Files:
  • M src/flags/flag-definitions.h
  • M src/maglev/maglev-graph-builder.h
  • M src/maglev/maglev-inlining.cc
Change size: S
Delta: 3 files changed, 8 insertions(+), 2 deletions(-)
Branch: refs/heads/main
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