Marshall Schor created UIMA-4283:
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Summary: tuning Binary Compressed Cas
Key: UIMA-4283
URL: https://issues.apache.org/jira/browse/UIMA-4283
Project: UIMA
Issue Type: Improvement
Components: Core Java Framework
Reporter: Marshall Schor
Priority: Minor
Fix For: 2.7.1SDK
Measurements are showing some tuning is needed in buffer sizes for the binary
compressed serialization/deserialization code. Reducing one buffer from a max
of 32k to 1k showed a speed up in deserialization of more than 2.5 x using an
IBM JVM on an Intil i7 with 128K L1; using a Oracle JVM - there was a minor
speedup. This effect appears to be due to L1 cache flushing/dumping.
Check and tune both form 4 and 6.
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