netty5/codec-http/src
Dmitriy Dumanskiy dd69a813d4 Performance improvement for HttpRequestEncoder. Insert char into the string optimized.
Motivation:

Right now HttpRequestEncoder does insertion of slash for url like http://localhost?pararm=1 before the question mark. It is done not effectively.

Modification:

Code:

new StringBuilder(len + 1)
                .append(uri, 0, index)
                .append(SLASH)
                .append(uri, index, len)
                .toString();
Replaced with:

new StringBuilder(uri)
                .insert(index, SLASH)
                .toString();
Result:

Faster HttpRequestEncoder. Additional small test. Attached benchmark in PR.

Benchmark                                      Mode  Cnt        Score        Error  Units
HttpRequestEncoderInsertBenchmark.newEncoder  thrpt   40  3704843.303 ±  98950.919  ops/s
HttpRequestEncoderInsertBenchmark.oldEncoder  thrpt   40  3284236.960 ± 134433.217  ops/s
2017-06-27 10:53:43 +02:00
..
main/java/io/netty/handler/codec Performance improvement for HttpRequestEncoder. Insert char into the string optimized. 2017-06-27 10:53:43 +02:00
test Performance improvement for HttpRequestEncoder. Insert char into the string optimized. 2017-06-27 10:53:43 +02:00