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* deleted some old filesHEADmainTrey Bastian2024-07-263-166/+0
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* added dart and cleaned up repoTrey Bastian2024-07-2616-20684/+409
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* cobol initial implementationTrey Bastian2024-06-24247-5302/+101
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* Update README.mdGunnar Morling2024-04-101-1/+1
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* Adding Antonio Goncalves' blog postAntonio Goncalves2024-03-081-0/+1
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* Fixes progress bar for `create_measurements.py`Ruslan Kovtun2024-03-031-5/+7
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* Explicit float in commented out codeDaniel Patrick2024-03-031-1/+1
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* More accurate file size estimateDaniel Patrick2024-03-031-16/+12
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* Adding blog postGunnar Morling2024-02-221-0/+1
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* Adding a blog postGunnar Morling2024-02-211-0/+1
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* Adding some articlesGunnar Morling2024-02-051-1/+3
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* Updating PR templateGunnar Morling2024-02-051-2/+1
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* Status updateGunnar Morling2024-02-041-1/+4
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* Adding Connor's blog postGunnar Morling2024-02-031-0/+1
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* URL fixGunnar Morling2024-02-031-1/+1
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* Adding some blog postsGunnar Morling2024-02-031-0/+4
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* Date fixGunnar Morling2024-02-031-2/+2
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* Adding certificate linksGunnar Morling2024-02-031-169/+167
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* Leaderboard 10KGunnar Morling2024-02-031-27/+43
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* Status updateGunnar Morling2024-02-031-7/+3
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* Leaderboard updateGunnar Morling2024-02-031-1/+1
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* Leaderboard update 32c/64tGunnar Morling2024-02-031-25/+51
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* Add elh's Go solution (#435)Eugene Huang2024-02-026-0/+365
| | | | | * add elh's Go solution * update elh. fix a bad for loop and add some tuning env vars
* Leaderboard updateGunnar Morling2024-02-021-0/+1
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* martin2038: first submission (#665)Martin2024-02-023-0/+393
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * first double as int * - hashcode * JAVA_OPTS empty * native * native * CalculateAverage_melgenek https://questdb.io/blog/building-faster-hash-table-high-performance-sql-joins/#fastmap-internals * mvn formatting * jvm model * 10k name * 10k name * round mean * limit ChunkSize smaller than Integer.MAX_VALUE --------- Co-authored-by: martin.cong <martin.cong@zhulinkeji.com>
* Leaderboard update.Gunnar Morling2024-02-011-0/+1
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* Submission for Smoofie (#701)Smoofie2024-02-013-0/+496
| | | | | | | * Smoofie solution. Kinda slow but it was fun :) * Format according to mvn build * Fix semicolon detection, which cause invalid temperature parsing and subsequently segmentation faults due to counter addressing
* Leaderboard updateGunnar Morling2024-02-011-0/+1
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* SIMD parsing newlines, integer parsing, custom hashtable with SIMD lookup ↵Chris Bellew2024-02-013-0/+777
| | | | | | | | | | | | | | | | | | | table for equality (#663) * Add submission * Added explanatory comment * Added comment * Rename shell script * Commit formatting * When last bytes don't fill a vector, take directly * Add comment * Deal with subset collisions
* README updateGunnar Morling2024-02-011-4/+4
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* Leaderboard updateGunnar Morling2024-02-011-0/+1
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* My first submission (#697)JurenIvan2024-02-012-0/+238
| | | | | | | | | | | | | * Common sense implementation * fix filename * formatting * remove excess system.out.println * fix hash collisions * ajdust so taht segment size smaller than Integer.MAX_VALUE
* Leaderboard update 32 coresGunnar Morling2024-02-011-17/+27
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* Leaderboard update for 10K key set evalGunnar Morling2024-02-011-23/+26
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* Comparing numbers is hard...Gunnar Morling2024-02-011-1/+1
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* Leader board updateGunnar Morling2024-02-011-10/+14
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* README updateGunnar Morling2024-02-012-3/+6
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* improved 2nd and final submission (#685)yourwass2024-02-012-77/+83
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* CA_vaidhy final changes. (#708)Anita SV2024-02-011-95/+272
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* dpsoft: first submission (#572)Diego Parra2024-02-013-0/+364
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * dpsoft: first submission * minor clean up * map with linear probing * clean up * update prepare * clean up * remove string format * add credits * fix format * use prepare.sh * graal 21.0.2 * fix differences * clean up * underflow protection * improve segments generation logic * clean up * remove unnecessary alignment in findsegment * new try * fix number of segments
* My Probably last attempt to optimize performance (#693)Panagiotis Drakatos2024-02-013-55/+233
| | | | | | | | | | | | | | | | | | | | | | | | | | | * CalculateAverage_pdrakatos * Rename to be valid with rules * CalculateAverage_pdrakatos * Rename to be valid with rules * Changes on scripts execution * Fixing bugs causing scripts not to be executed * Changes on prepare make it compatible * Fixing passing all tests * Increase direct memory allocation buffer * Fixing memory problem causes heap space exception * Fresh solution to optimize performance of the execution * New Fresh solution with optimized performance with Custom Hashtable * Increase maxperm size and xmx to avoid heap spaces error
* CalculateAverage_gonix update (#706)gonix2024-02-012-201/+312
| | | | | Backported some of the optimizations from unsafe solution. Co-authored-by: Giedrius D <d.giedrius@gmail.com>
* Exit earlier from loop when a new Result is created (#668)tivrfoa2024-02-011-200/+127
| | | | | | | | | | | | | | | | | * Exit earlier from loop when a new Result is created * 3) Make a cache of long[] name to String, to avoid `ByteBuffer.allocate` * and creating new UTF-8 strings. I didn't profile, so it's just a guess * that this map will be a bit faster. Although it's outside the main loop, so * not a big difference ...; * 4) Exit earlier from loop if a new entry was created. * revert: Remove cache to city name * As I was not able to make it faster... make it slower As I was not able to make it faster ... so I'll make it slower, because my current solution should *not* stay at the top, as it added basically nothing.
* EduardoSaverin (#689)Sumit Chaudhary2024-02-013-0/+358
| | | | | | | | | | | | * EduardoSaverin UserName : EduardoSaverin Total Time : 15.408 CPU : 8 Core (Apple M1 Pro) RAM : 16GB * Update CalculateAverage_EduardoSaverin.java Removed ConcurrentHashMap with Reentrant Lock + HashMap. Since multiple threads causing problems.
* Add linl33 v2 (#678)Li Lin2024-02-013-56/+57
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* handling 16 at once (#704)Artsiom Korzun2024-02-011-61/+68
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* nobody should try this at home (#709)Jaromir Hamala2024-02-011-63/+104
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* One last improvement for thomaswue (#702)Thomas Wuerthinger2024-02-011-61/+66
| | | | | | | | | * Combine <8 and 8-16 cases into one case. * Adopt mask-based approach for the <16 length city fast path (idea of Van Phu Do). * Slightly improved code layout. * Update perf number.
* 10 runs for evaluating top entriesGunnar Morling2024-02-011-1/+1
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* Update pull_request_template.mdGunnar Morling2024-01-311-0/+4
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