Roman Musin 7bfc7eaec6 Reduce allocations and heap size (#525) ...

* Reduce allocations

* Shrink the heap size

* Calculate hash when reading name  (50-100ms difference)

* no need to reverse bytes

* bump heap size

2024-01-21 18:01:23 +01:00

..

CalculateAverage_0xshivamagarwal.java

Add 0xshivamagarwal Implementation (#508)

2024-01-20 20:54:04 +01:00

CalculateAverage_abeobk.java

reorganize code, little bit faster (#509)

2024-01-21 13:25:18 +01:00

CalculateAverage_abfrmblr.java

1 brc - 2gb memory 1 min 31 secs

2024-01-06 00:25:15 +01:00

CalculateAverage_AbstractKamen.java

CalculateAverage_AbstractKamen

2024-01-10 21:48:12 +01:00

CalculateAverage_adriacabeza.java

Improving first iteration by avoiding string creation as much as possible (#516)

2024-01-20 21:27:34 +01:00

CalculateAverage_agoncal.java

GitHub Copilot Chat with the help of agoncal (#460)

2024-01-19 21:26:12 +01:00

CalculateAverage_ags313.java

first attempt

2024-01-07 12:09:43 +01:00

CalculateAverage_alesj.java

Simple, slow but very short. :-) (#240)

2024-01-11 09:48:27 +01:00

CalculateAverage_algirdasrascius.java

Quick and dirty first version (#215)

2024-01-10 22:35:37 +01:00

CalculateAverage_anandmattikopp.java

feat: first version of the 1brc solution

2024-01-05 11:24:14 +01:00

CalculateAverage_anitasv.java

A SAFE and readable version (#388)

2024-01-14 18:41:04 +01:00

CalculateAverage_arjenvaneerde.java

Some optimizations arjenvaneerde

2024-01-10 22:06:28 +01:00

CalculateAverage_arjenw.java

Small optimizations (#426)

2024-01-15 20:00:52 +01:00

CalculateAverage_armandino.java

armandino: second attempt (#445)

2024-01-16 22:04:37 +01:00

CalculateAverage_artpar.java

inline hash calculation and number parsing (#200)

2024-01-12 09:38:09 +01:00

CalculateAverage_artsiomkorzun.java

plain old io (#492)

2024-01-19 21:52:55 +01:00

CalculateAverage_as-com.java

Rename files to match GitHub username

2024-01-13 11:29:27 +01:00

CalculateAverage_baseline_original_rounding.java

#49 Fixing rounding behavior of baseline implementation

2024-01-14 10:59:24 +01:00

CalculateAverage_baseline.java

#49 Fixing rounding behavior of baseline implementation

2024-01-14 10:59:24 +01:00

CalculateAverage_berry120.java

Initial implementation (#158)

2024-01-10 22:17:11 +01:00

CalculateAverage_bjhara.java

Evaluating bjhara's entry

2024-01-02 20:43:46 +01:00

CalculateAverage_bufistov.java

Dmitry challenge

2024-01-14 18:45:30 +01:00

CalculateAverage_C5H12O5.java

Processing byte array backwards (#504)

2024-01-20 14:04:19 +01:00

CalculateAverage_charlibot.java

Charlibot - use memory mapping (#372)

2024-01-14 14:34:08 +01:00

CalculateAverage_cliffclick.java

BRC Entry (#185)

2024-01-14 11:08:55 +01:00

CalculateAverage_coolmineman.java

Initial Implementation - coolmineman (#196)

2024-01-07 11:39:45 +01:00

CalculateAverage_couragelee.java

Add CalculateAverage_couragelee Java class and shell script

2024-01-10 21:16:36 +01:00

CalculateAverage_criccomini.java

Adding Chris Riccomini's submission

2024-01-03 15:56:31 +01:00

CalculateAverage_davecom.java

Update davecom entry use ByteBuffer instead of String for Names and graal (#245)

2024-01-11 10:24:25 +01:00

CalculateAverage_davery22.java

Add davery22 impl

2024-01-07 21:14:04 +01:00

CalculateAverage_ddimtirov.java

ddimtirov - supporting hash collisions, should have fixed #101

2024-01-06 19:24:48 +01:00

CalculateAverage_deemkeen.java

initial deemkeen

2024-01-05 19:30:02 +01:00

CalculateAverage_ebarlas.java

Use Arena MemorySegments rather than ByteBuffers. (#505)

2024-01-20 13:56:27 +01:00

CalculateAverage_entangled90.java

Leaderboard update

2024-01-07 10:58:05 +01:00

CalculateAverage_eriklumme.java

CalculateAverage_eriklumme first submission (#221)

2024-01-15 19:03:51 +01:00

CalculateAverage_faridtmammadov.java

CalculateAverage_faridtmammadov (#406)

2024-01-15 21:01:16 +01:00

CalculateAverage_fatroom.java

Lazy strings init, custom station map (#336)

2024-01-12 09:52:32 +01:00

CalculateAverage_felix19350.java

Further improved performance by improving the parsing logic so that strings for city names are not allocated with each row. (#323)

2024-01-14 20:56:11 +01:00

CalculateAverage_filiphr.java

Use proper key for CalculateAverage_filiphr;

2024-01-05 17:54:08 +01:00

CalculateAverage_flippingbits.java

Update submission (#385)

2024-01-14 19:06:01 +01:00

CalculateAverage_fragmede.java

Custom atoi/atof parser logic, plus math changes.

2024-01-05 16:59:29 +01:00

CalculateAverage_gabrielreid.java

gabrielreid take 2

2024-01-10 20:43:46 +01:00

CalculateAverage_gamlerhart.java

Parallelize Roman Stoffel (gamlerhart) Solution

2024-01-13 11:40:34 +01:00

CalculateAverage_giovannicuccu.java

Solution without unsafe (#507)

2024-01-20 21:01:43 +01:00

CalculateAverage_gnabyl.java

[Attempt #2] String overflow hash + data/mem optimization (#356)

2024-01-13 12:32:17 +01:00

CalculateAverage_gnmathur.java

Leaderboard, clean-up

2024-01-10 21:37:16 +01:00

CalculateAverage_gonix.java

CalculateAverage_gonix update (#461)

2024-01-17 18:48:05 +01:00

CalculateAverage_hallvard.java

Uses MappedByteBuffer for io, trie instead of map and parallelStream (#234)

2024-01-11 20:58:42 +01:00

CalculateAverage_hchiorean.java

hchiorean - Initial version

2024-01-06 17:59:49 +01:00

CalculateAverage_hundredwatt.java

hundredwatt - 2nd submission (#338)

2024-01-12 09:03:31 +01:00

CalculateAverage_ianopolous.java

12s (25%) faster on 4 core i7 (#421)

2024-01-15 18:58:23 +01:00

CalculateAverage_ianopolousfast.java

Introducing the vector api. 1s faster on 4 core i7 (#506)

2024-01-20 20:09:40 +01:00

CalculateAverage_imrafaelmerino.java

second try: just testing with the chunk size and gc tunning

2024-01-12 21:11:44 +01:00

CalculateAverage_isolgpus.java

isolgpus: submission 2 - about a 25% improvement on submission 1. (#168)

2024-01-07 20:55:30 +01:00

CalculateAverage_itaske.java

Adding a missing new line

2024-01-04 21:32:02 +01:00

CalculateAverage_ivanklaric.java

my 1brc entry (#367)

2024-01-13 22:02:36 +01:00

CalculateAverage_iziamos.java

extract cursor interface (#458)

2024-01-17 21:41:32 +01:00

CalculateAverage_JamalMulla.java

First submission - CalculateAverage_JamalMulla.java - Jamal Mulla (#238)

2024-01-11 19:56:29 +01:00

CalculateAverage_japplis.java

Read file in multiple threads and String to Text (#427)

2024-01-16 22:10:38 +01:00

CalculateAverage_jatingala.java

1brc challange submission jatingala (#364)

2024-01-13 21:44:42 +01:00

CalculateAverage_javamak.java

CalculateAverage_javamak (#360)

2024-01-13 21:41:42 +01:00

CalculateAverage_jbachorik.java

Small improvements (#379)

2024-01-14 14:12:19 +01:00

CalculateAverage_jerrinot.java

jerrinot's improvement (#514)

2024-01-20 20:06:31 +01:00

CalculateAverage_JesseVanRooy.java

CalculateAverage_JesseVanRooy (Submission 1) (#335)

2024-01-14 19:09:58 +01:00

CalculateAverage_jgrateron.java

fix test rounding, pass 10K station names (#471)

2024-01-19 17:12:05 +01:00

CalculateAverage_jincongho.java

Submission #3: jincongho (#482)

2024-01-19 21:40:05 +01:00

CalculateAverage_jotschi.java

Adding Johannes Schüth's submission

2024-01-05 22:52:39 +01:00

CalculateAverage_jparera.java

Change data storage improving memory locality (#496)

2024-01-19 22:06:48 +01:00

CalculateAverage_karthikeyan97.java

using unsafe alone (#512)

2024-01-20 20:49:54 +01:00

CalculateAverage_kevinmcmurtrie.java

1brc submission - Kevin McMurtrie (#195)

2024-01-07 11:12:57 +01:00

CalculateAverage_kgeri.java

Adding kgeri's solution (#137)

2024-01-07 09:45:30 +01:00

CalculateAverage_khmarbaise.java

Adding khmarbaise

2024-01-03 20:21:23 +01:00

CalculateAverage_Kidlike.java

submission for kidlike (#294)

2024-01-13 22:22:36 +01:00

CalculateAverage_kuduwa_keshavram.java

Optimised code to iterate over non-null measurements (#444)

2024-01-16 22:02:26 +01:00

CalculateAverage_kumarsaurav123.java

Use Array to store results instead of grouping by and custom class (#522)

2024-01-21 12:50:36 +01:00

CalculateAverage_lawrey.java

Leaderboard update

2024-01-04 18:22:13 +01:00

CalculateAverage_maeda6uiui.java

Add code by maeda6uiui

2024-01-11 11:32:30 +01:00

CalculateAverage_MahmoudFawzyKhalil.java

MahmoudFawzyKhalil's implementation (#438)

2024-01-17 21:15:34 +01:00

CalculateAverage_maximz101.java

Formatting

2024-01-12 22:26:55 +01:00

CalculateAverage_MeanderingProgrammer.java

First attempt from MeanderingProgrammer

2024-01-11 12:03:29 +01:00

CalculateAverage_merykitty.java

merykitty's second attempt

2024-01-10 20:24:19 +01:00

CalculateAverage_merykittyunsafe.java

unsafe approach

2024-01-12 18:39:12 +01:00

CalculateAverage_moysesb.java

Adding Moysés Borges Furtado's submission

2024-01-04 23:15:22 +01:00

CalculateAverage_mtopolnik.java

10k improvement (#419)

2024-01-15 18:49:32 +01:00

CalculateAverage_muditsaxena.java

Mudit/initial attempt (#41)

2024-01-06 18:54:37 +01:00

CalculateAverage_naive.java

Adding Sam Pullara's submission;

2024-01-03 15:35:51 +01:00

CalculateAverage_netrunnereve.java

netrunnereve: more optimizations (#485)

2024-01-19 21:44:22 +01:00

CalculateAverage_obourgain.java

My implementation is in dev.morling.onebrc.CalculateAverage_obourgain and runnable with provided script calculate_average_obourgain.sh (#75)

2024-01-07 20:15:53 +01:00

CalculateAverage_omarchenko4j.java

First version of implementation - omarchenko4j (#222)

2024-01-13 11:52:17 +01:00

CalculateAverage_padreati.java

- implementation by padreati

2024-01-02 21:16:49 +01:00

CalculateAverage_palmr.java

Pass newly added tests :fingers-crossed:

2024-01-04 23:54:04 +01:00

CalculateAverage_parkertimmins.java

First deployed version for parkertimmins (#322)

2024-01-11 21:46:08 +01:00

CalculateAverage_pedestrianlove.java

Add entries for pedestrianlove. (#265)

2024-01-10 22:57:41 +01:00

CalculateAverage_phd3.java

Add improvements (#412)

2024-01-15 18:47:06 +01:00

CalculateAverage_plbpietrz.java

Initial 1brc version by plbpietrz (#219)

2024-01-15 20:30:04 +01:00

CalculateAverage_plevart.java

plevart: Look Mom No Unsafe! (#452)

2024-01-16 22:34:40 +01:00

CalculateAverage_raipc.java

Initial solution by raipc

2024-01-10 22:26:00 +01:00

CalculateAverage_rby.java

rby: Has some interesting optimisations but could be improved further with a custom hash map

2024-01-05 20:25:51 +01:00

CalculateAverage_ricardopieper.java

Formatting

2024-01-11 22:16:01 +01:00

CalculateAverage_richardstartin.java

update richardstartin submission (#325)

2024-01-12 09:06:09 +01:00

CalculateAverage_roman_r_m.java

Reduce allocations and heap size (#525)

2024-01-21 18:01:23 +01:00

CalculateAverage_royvanrijn.java

Added dedicated reader (#493)

2024-01-19 22:15:49 +01:00

CalculateAverage_rprabhu.java

Implementation by rprabhu

2024-01-10 21:09:42 +01:00

CalculateAverage_SamuelYvon.java

Graal Native for SamuelYvon (#332)

2024-01-12 20:16:13 +01:00

CalculateAverage_santanu.java

Implements CalculateAverage_santanu.java

2024-01-07 10:40:18 +01:00

CalculateAverage_seijikun.java

seijikun: Fix new unit-test introduced with #125

2024-01-06 10:39:19 +01:00

CalculateAverage_semotpan.java

CalculateAverage semotpan attempt 1

2024-01-07 10:57:34 +01:00

CalculateAverage_spullara.java

Updating Sam Pullara's entry

2024-01-04 19:14:06 +01:00

CalculateAverage_thanhtrinity.java

1brc submission - thanhtrinity (#269)

2024-01-12 20:36:44 +01:00

CalculateAverage_thomaswue.java

Improve scheduling for thomaswue (#358)

2024-01-15 20:43:12 +01:00

CalculateAverage_tkosachev.java

CalculateAverage_tkosachev

2024-01-14 18:36:20 +01:00

CalculateAverage_truelive.java

CalculateAverage_truelive second attempt

2024-01-05 23:40:03 +01:00

CalculateAverage_twobiers.java

Adjust buffer size to solve test failure in #125

2024-01-06 00:12:36 +01:00

CalculateAverage_Ujjwalbharti.java

Added implementation for calculating average

2024-01-05 17:23:13 +01:00

CalculateAverage_unbounded.java

Add implementation for user unbounded (#394)

2024-01-14 19:11:57 +01:00

CalculateAverage_vaidhy.java

Primitive hash (#345)

2024-01-13 18:46:51 +01:00

CalculateAverage_vemana.java

Reduce variance by (1) Using common chunks at the end (2) Busy looping (#486)

2024-01-19 21:47:55 +01:00

CalculateAverage_xpmatteo.java

My own solution -- memory mapping the files, running in parallel threads, using a state machine to parse the file (#466)

2024-01-17 21:26:19 +01:00

CalculateAverage_YannMoisan.java

Improved version based on rafaelmerino (#511)

2024-01-20 20:33:14 +01:00

CalculateAverage_yavuztas.java

I optimized my solution: (#337)

2024-01-12 09:47:31 +01:00

CalculateAverage_yehwankim23.java

Add yehwankim23 (#148)

2024-01-07 20:41:41 +01:00

CalculateAverage_yemreinci.java

Improve spullara's solution

2024-01-05 23:00:43 +01:00

CalculateAverage_yonatang.java

yonatang solution: a jdk8 friendly, no unsafe code, epsilon-gc friendly solution (#499)

2024-01-20 15:02:55 +01:00

CalculateAverage_zerninv.java

Last attempt CalculateAverage_zerninv (#480)

2024-01-19 17:07:30 +01:00

CreateMeasurements2.java

Auto reformat classes

2024-01-04 15:35:34 +01:00

CreateMeasurements3.java

Update CreateMeasurements3.java to write measurements3.txt

2024-01-14 14:00:10 +01:00

CreateMeasurements.java

Fix #159

2024-01-06 11:05:36 +01:00

CreateMeasurementsFast.java

Add multithreaded generation of measurements file with Gaussian distribution (M2 AIR took 24 seconds for 1B items) (#175)

2024-01-11 12:16:30 +01:00

PerfectHashSearch_hundredwatt.java

hundredwatt - 2nd submission (#338)

2024-01-12 09:03:31 +01:00