GitHub user sb2nov opened a pull request: https://github.com/apache/beam/pull/1869
[BEAM-886] Some performance improvements to NewDoFn - Add types to some of variables for performance - Do minimal work in the process function by stashing the placeholders to be replaced. R: @robertwb PTAL CC: @aaltay --- Be sure to do all of the following to help us incorporate your contribution quickly and easily: - [x] Make sure the PR title is formatted like: `[BEAM-<Jira issue #>] Description of pull request` - [x] Make sure tests pass via `mvn clean verify`. (Even better, enable Travis-CI on your fork and ensure the whole test matrix passes). - [x] Replace `<Jira issue #>` in the title with the actual Jira issue number, if there is one. - [ ] If this contribution is large, please file an Apache [Individual Contributor License Agreement](https://www.apache.org/licenses/icla.txt). --- You can merge this pull request into a Git repository by running: $ git pull https://github.com/sb2nov/incubator-beam BEAM-886-Add-NewDoFn-class-1-1 Alternatively you can review and apply these changes as the patch at: https://github.com/apache/beam/pull/1869.patch To close this pull request, make a commit to your master/trunk branch with (at least) the following in the commit message: This closes #1869 ---- commit 3427ee1da41ec1d42418615c1eac99be7ffe22a7 Author: Sourabh Bajaj <sourabhba...@google.com> Date: 2017-01-30T19:16:16Z Some performance improvements to NewDoFn ---- --- If your project is set up for it, you can reply to this email and have your reply appear on GitHub as well. If your project does not have this feature enabled and wishes so, or if the feature is enabled but not working, please contact infrastructure at infrastruct...@apache.org or file a JIRA ticket with INFRA. ---