lukecwik opened a new pull request, #25519:
URL: https://github.com/apache/beam/pull/25519
This removed about half of the overhead for outputting a value in the common
scenario where we are already using a valid timestamp (the input timestamp) and
also that we can use the `withValue` hot path which is optimized for certain
use cases (e.g. the globally windowed value case).
Before:
```
Benchmark Mode Cnt Score Error Units
ProcessBundleBenchmark.testLargeBundle thrpt 15 3616.761 ± 157.844 ops/s
```
After:
```
Benchmark Mode Cnt Score Error Units
ProcessBundleBenchmark.testLargeBundle thrpt 15 3666.889 ± 151.448 ops/s
```
This is for #21250.
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