tree f7dd6604d54a46b9ec151e435d17eaa8a4edace0
parent 92679665d7773811cd449eda74823af1951ca47d
author Martin Möhrmann <moehrmann@google.com> 1593581080 +0200
committer Martin Möhrmann <moehrmann@google.com> 1593633325 +0000

protoregistry: avoid checking for '/' in FindMessageByName

Profiling shows FindMessageByName spending considerable time
in strings.LastIndexByte in FindMessageByURL.

This overhead can be avoided by giving FindMessageByName
its own implementation not pruning the name string up
to the last '/' which can not appear in a protobuf name.

Change-Id: Ifec07689f72790ead8b7552cd04dd99fa67b61e4
Reviewed-on: https://go-review.googlesource.com/c/protobuf/+/240378
Reviewed-by: Joe Tsai <thebrokentoaster@gmail.com>