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* improve speed, thanks to the following improvements:
- loop unrolling and eleminating extra calculations
- eleminating instance level variable access
- quicker equals check, checking long by long chunks instead of bytes
- update GraalVM version to the latest
* faster equals check
* fix equals bug in 10K, more optimizations on equals and calculate hash parts
* New solution optimized for Linux/AMD hardware
* Optimize solution, try to fix 10K bug on native
* Optimize solution, move records to a local field
* test timing
* revert back accidentally pushed code
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Co-authored-by: Yavuz Tas <yavuz.tas@ing.com>
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- Eliminate redundant object creations in between
- Custom HashMap on purpose - Inspired by @spullara
- More performant temperature parsing - Inspired by @yemreinci
- JVM tweaks, decreased heap memory, and remove AlwaysPreTouch
Co-authored-by: Yavuz Tas <yavuz.tas@ing.com>
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* improve double reading by eleminating string parsing in between, make calculations over on integer instead of double, parse into double at the end only once
* more improvements, sharing a single StringBuilder to build all toStrings, minor performance gain.
* micro optimizations on reading temperature
* a small skip for redundant traverses, micro optmization
* micro optimization, eleminate some if cases, saves 0.5 seconds more
* micro optimization, calculate key hash ahead eleminates more more loop, saves 0.5 seconds more :)
* optimize key equals and handling the case when a region is larger than max integer size
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Co-authored-by: Yavuz Tas <yavuz.tas@ing.com>
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* A solution with Actor Model concurrency and MappedByteBuffer
* fix test cases
* revert back the file name to original
* cache String hashCode calculation via composing with Key object
* fix wrong key caching and eleminate duplicate String creation between actors
* update possible char count in a line, fix calculate_average.sh
* increase possible line length to 256 bytes, much safer to cover 100 chars I hope
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Co-authored-by: Yavuz Tas <yavuz.tas@ing.com>
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