No, it was unrelated to the speed issues.
Since 16:50 (nearly 40 minutes ago) there are only 2 slow response warnings logged, compared to dozens a minute before then.
If you're still experiencing slow responses from the forum please copy and paste the performance stats at the bottom of the page (something like 'Page created in 0.115 seconds with 13 queries.') and that will help me diagnose the issue.
Thanks,
Dan