[11u] RFR: 8059241: C2: Excessive RemoveUseless passes during incremental inlining
hohensee at amazon.com
Wed Apr 7 16:59:09 UTC 2021
Thank you, Roland.
From: Roland Westrelin <rwestrel at redhat.com>
Date: Wednesday, April 7, 2021 at 6:33 AM
To: "Hohensee, Paul" <hohensee at amazon.com>, Andrew Haley <aph at redhat.com>, "jdk-updates-dev at openjdk.java.net" <jdk-updates-dev at openjdk.java.net>
Subject: RE: [11u] RFR: 8059241: C2: Excessive RemoveUseless passes during incremental inlining
> We backported this patch because we noticed increased compilation
> overhead after we increased MaxInlineDepth to 15. We've been running
> with it (and the follow-on patches) in production starting with 11.0.9
> (last October) with no issues. At our scale, even relatively small
> improvements help reduce fleet costs.
FWIW, backporting the patch seems reasonable to me.
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