RFR [8051382] Optimize java.lang.reflect.Modifier.toString() (original) (raw)

Ivan Gerasimov ivan.gerasimov at oracle.com
Sat Jul 19 01🔞16 UTC 2014

On 19.07.2014 3:07, Martin Buchholz wrote:

I took a quick look at StringJoiner. It looks to me like this won't be an optimization, because StringJoiner uses StringBuilder internally, and will actually perform more total operations.

Unfortunately this is true. Microbenchmarking shows that StringJoiner makes the things 30% slower, which is sad.

Then I propose another simple patch giving +15% to the speed:

http://cr.openjdk.java.net/~igerasim/8051382/1/webrev/

Sincerely yours, Inan

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