Performance and stability improvements on all platforms.

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

Change-Id: I245a93d77ba6d41dfd57b9b81cf0857820b55d40
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1652948
Reviewed-by: v8-ci-autoroll-builder <v8-ci-autoroll-builder@chops-service-accounts.iam.gserviceaccount.com>
Cr-Commit-Position: refs/heads/7.7.41@{#1}
Cr-Branched-From: 563290194f42e5040348a985abf4cceb8a1abb4b-refs/heads/master@{#62074}