Performance and stability improvements on all platforms.

TBR=v8-ci-autoroll-builder@chops-service-accounts.iam.gserviceaccount.com

Change-Id: I92691952383816799d6d19ae694df880c3563d7b
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1685272
Reviewed-by: v8-ci-autoroll-builder <v8-ci-autoroll-builder@chops-service-accounts.iam.gserviceaccount.com>
Cr-Commit-Position: refs/heads/7.7.175@{#1}
Cr-Branched-From: b413ab643ffa65fbc7f68e7609dfe8006688090e-refs/heads/master@{#62487}