Performance and stability improvements on all platforms.

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

Change-Id: I9291583ac71f1ca7fd7f42781fff7ac41c7b9e7f
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1672189
Reviewed-by: v8-ci-autoroll-builder <v8-ci-autoroll-builder@chops-service-accounts.iam.gserviceaccount.com>
Cr-Commit-Position: refs/heads/7.7.133@{#1}
Cr-Branched-From: b1638b08f3a87fb1ac2443e8ae4a8257926b9b21-refs/heads/master@{#62323}