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| author | Matteo Vaccari <vaccari@pobox.com> | 2024-01-17 21:26:19 +0100 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2024-01-17 21:26:19 +0100 |
| commit | aee71b961d8e9b799020d819e370edfc51c82576 (patch) | |
| tree | 6349a4e56f40b1daf59bf07778ea78f0e3a19ee9 /src/main/java/dev/morling/onebrc/CalculateAverage_fatroom.java | |
| parent | 08541525cd582c11e4c5f6bdb9b2cc5581425023 (diff) | |
My own solution -- memory mapping the files, running in parallel threads, using a state machine to parse the file (#466)
* Golang implementation
* Speed up by avoiding copying the lines
* Memory mapping
* Add script for testing
* Now passing most of the tests
* Refactor to composed method
* Now using integer math throughout
* Now using a state machine for parsing!
* Refactoring state names
* Enabling profiling
* Running in parallel!
* Fully parallel!
* Refactor
* Improve type safety of methods
* The rounding problem is due to difference between Javas and Gos printf implementation
* Converting my solution to Java
* Merging results
* Splitting the file in several buffers
* Made it parallel!
* Removed test file
* Removed go implementation
* Removed unused files
* Add header to .sh file
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Co-authored-by: Matteo Vaccari <mvaccari@thoughtworks.com>
Diffstat (limited to 'src/main/java/dev/morling/onebrc/CalculateAverage_fatroom.java')
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