Integrated: 8263038: Optimize String.format for simple specifiers
Claes Redestad
redestad at openjdk.java.net
Mon Mar 8 23:18:11 UTC 2021
On Thu, 4 Mar 2021 17:20:40 GMT, Claes Redestad <redestad at openjdk.org> wrote:
> This patch optimizes String.format expressions that uses trivial specifiers. In the JDK, the most common variation of String.format is a variation of format("foo: %s", s), which gets a significant speed-up from this.
>
> Various other cleanups and minor improvements reduce overhead further and ensure we get a small gain also for more complex format strings.
This pull request has now been integrated.
Changeset: f71b21b0
Author: Claes Redestad <redestad at openjdk.org>
URL: https://git.openjdk.java.net/jdk/commit/f71b21b0
Stats: 281 lines in 2 files changed: 126 ins; 58 del; 97 mod
8263038: Optimize String.format for simple specifiers
Reviewed-by: rriggs, naoto
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PR: https://git.openjdk.java.net/jdk/pull/2830
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