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# Memory Performance Test
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# Repository moved
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Small tool to test memory write and read performance.
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Please visit [github.com/mnellemann/jnetperf](https://github.com/mnellemann/jnetperf)
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```shell
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Usage: jmemperf [-hV] [-d=NUM] [-i=NUM] [-r=NUM] [-t=NUM]
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Memory performance measurement tool.
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-d, --data=NUM Create this much data (MB) pr. row [default: 100]
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-h, --help Show this help message and exit.
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-i, --iterations=NUM Iterate this many times [default: 3]
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-r, --rows=NUM Create this many rows pr. table [default: 10]
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-t, --tables=NUM Create this many tables [default: 4]
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-V, --version Print version information and exit.
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```
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## Examples
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Test with 8GB memory:
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```shell
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java -Xms10g -Xmx10g -XX:+AlwaysPreTouch -jar memstress-0.0.1-all.jar -t 8
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```
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Test with 100GB memory:
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```shell
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java -Xms128g -Xmx128g -XX:+AlwaysPreTouch -jar memstress-0.0.1-all.jar -t 100
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```
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## Credits
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- Jens Ebbesen for improvements.
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