[jira] [Work logged] (BEAM-14347) [Go SDK] Allow users to optimize DoFns with a single generic registration function

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     [ https://issues.apache.org/jira/browse/BEAM-14347?focusedWorklogId=760127&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-760127 ]

ASF GitHub Bot logged work on BEAM-14347:
-----------------------------------------

                Author: ASF GitHub Bot
            Created on: 21/Apr/22 15:23
            Start Date: 21/Apr/22 15:23
    Worklog Time Spent: 10m 
      Work Description: damccorm opened a new pull request, #17429:
URL: https://github.com/apache/beam/pull/17429

   This is the first step towards allowing users to fully replace the code generator with a DoFn registration function (design doc https://docs.google.com/document/d/1MLZLUhb-Sn7AJ666yn3TnYgMKE6wiXIBs7cjB_20hMA/edit?usp=sharing). Generally, this accomplishes this by:
   
   - Updating to Go 1.18
   - Adding registration.tmpl to generate registration.go with a bunch of arity specific registration functions. At the moment, these register struct wrappers, types, and funcs for the passed in DoFn.
   - Update specialize/main.go to provide some functions used by registration.tmpl
   
   Because the tmpl file is hard to review in isolation, I would do so with the generated file side by side so that you can see how the template translates into the final code.
   
   **Next steps**
   
   After this is in, I will follow up with prs to:
   
   1. Handle emitter/iter registration
   2. Handle combiner registration
   3. Perf testing
   4. Updates to the docs/our examples
   
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Issue Time Tracking
-------------------

            Worklog Id:     (was: 760127)
    Remaining Estimate: 0h
            Time Spent: 10m

> [Go SDK] Allow users to optimize DoFns with a single generic registration function
> ----------------------------------------------------------------------------------
>
>                 Key: BEAM-14347
>                 URL: https://issues.apache.org/jira/browse/BEAM-14347
>             Project: Beam
>          Issue Type: New Feature
>          Components: sdk-go
>            Reporter: Danny McCormick
>            Assignee: Danny McCormick
>            Priority: P2
>          Time Spent: 10m
>  Remaining Estimate: 0h
>
> Right now, to optimize DoFn execution, users have to use the code generator. This updates to allow them to use generics instead.



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