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By Design

Votes

0

Found in

2022.1.0a16

Issue ID

1413145

Regression

Yes

CPU Total Allocated Memory is 250MB higher while baking with the Progressive Lightmapper

Serialization

-

Steps to reproduce:

1. Open the attached reproduction project
2. Run the test "MemoryProfileTest" through the TestRunner (Window>General>TestRunner)
3. Open the Performance Test Report (Window>Analysis>Performance Test Report)
4. Notice the increase in memory usage ("Total Allocated Memory")

Analysis here: https://docs.google.com/spreadsheets/d/1wGQ6bQ7UBX_PlQYlxpRL89iDnQ1HY8A29FBbSsQlMXs/edit?usp=sharing

  1. Resolution Note:

    This is an optimization on how the files are written to disk to avoid unnecessary write-read-write of the same data, thus it requires more memory. It also comes with a major speed improvement.

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