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jingwei edited this page Jun 22, 2011
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Krati ArrayStorePartition Performance
Run the following test to obtain performance numbers (see target/logs/stats.log after the test finished).
mvn test -Dtest=TestDataPartition -Dkrati.test.jvm.args=“-Xloggc:target/logs/krati.gc -XX:+PrintGCDetails” -Dkrati.test.idCount=5000000 -Dkrati.test.numReaders=4 -Dkrati.test.hitPercent=10 -Dkrati.test.runTimeSeconds=1800
MemorySegment
| Populate | Write Only | Read Only | Read & Write | |
| Writer(1) | 35-40/ms | 25-30/ms | 25/ms | |
| Reader(4) | 1200-1500/reader/ms | 1000-1200/reader/ms |
MappedSegment
| Populate | Write Only | Read Only | Read & Write | |
| Writer(1) | 15/ms | 15-20/ms | 15/ms | |
| Reader(4) | 450-500/reader/ms | 250- 350/reader/ms |
ChannelSegment
| Populate | Write Only | Read Only | Read & Write | |
| Writer(1) | 15/ms | 10-15/ms | 10/ms | |
| Reader(4) | 50-55/reader/ms | 50/reader/ms |