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gunnarmorling
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1brc
1️⃣🐝🏎️ The One Billion Row Challenge -- A fun exploration of how quickly 1B rows from a text file can be aggregated with Java
https://www.morling.dev/blog/one-billion-row-challenge/
Apache License 2.0
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anitasv 3.8s vs 3m 19s : Improved using custom hashmap.
#672
anitasv
closed
5 months ago
2
jhonesto: Final submission.
#671
jhonesto
closed
5 months ago
2
breejesh Submission
#670
breejesh
closed
5 months ago
3
Final submission
#669
merykitty
closed
5 months ago
5
Exit earlier from loop when a new Result is created
#668
tivrfoa
closed
5 months ago
7
serkan-ozal's 6th submission
#667
serkan-ozal
closed
5 months ago
5
Justin's implementation
#666
Judekeyser
closed
5 months ago
2
martin2038: first submission
#665
martin1847
closed
5 months ago
9
royvanrijn: Trying the segmentation from a known baseline
#664
royvanrijn
closed
5 months ago
3
SIMD parsing newlines, integer parsing, custom hashtable with SIMD lookup table for equality
#663
ChrisBellew
closed
5 months ago
7
Revert original map to improve 10K
#662
artsiomkorzun
closed
5 months ago
4
update1: restructuring for better compilation
#661
plevart
closed
5 months ago
1
Just when I thought i was out....
#660
iziamos
closed
5 months ago
3
[PY] batched writing to disk for randomized temperatures
#659
nickyreinert
closed
5 months ago
1
1brc submission by godofwharf
#658
godofwharf
closed
5 months ago
2
My submission
#657
godofwharf
closed
5 months ago
0
Fix the number of threads.
#656
ericxiao251
closed
5 months ago
0
melgenek: minor improvements
#655
melgenek
closed
5 months ago
3
final version for abeobk
#654
abeobk
closed
5 months ago
9
anestoruk - one more improvement
#653
anestoruk
closed
5 months ago
1
jerrinot's improvement - everyone is hunting ILP? let's do less!
#652
jerrinot
closed
5 months ago
4
Process 2 consecutive lines at a time in each thread
#651
ianopolousfast
closed
5 months ago
1
Added improvments on string copying, string comparation & calculation of next index in case of collision in custom map
#650
JaimePolidura
closed
5 months ago
2
fix ordering in README.md
#649
ianopolousfast
closed
5 months ago
1
serkan-ozal's 5th submission:
#648
serkan-ozal
closed
5 months ago
3
royvanrijn: Back to a single reader
#647
royvanrijn
closed
5 months ago
1
Clean up, fine tuning, credit section for thomaswue
#646
thomaswue
closed
5 months ago
4
serkan-ozal's 4th submission
#645
serkan-ozal
closed
5 months ago
1
Try more chunks than threads, and of different sizes
#644
tivrfoa
closed
5 months ago
1
apply loop unroll trick
#643
abeobk
closed
5 months ago
1
Project won't compile on WSL
#642
paskozdilar
closed
4 months ago
2
New Fresh Solution to Optimize Execution time
#641
PanagiotisDrakatos
closed
5 months ago
2
new version by Giovanni Cuccu
#640
giovannicuccu
closed
5 months ago
1
Performance improvements to the name equality check when finding a repository index.
#638
jonathan-aotearoa
closed
5 months ago
6
mtopolnik submission 3
#637
mtopolnik
closed
5 months ago
5
Gamlerhart Last Update: Disabling GC
#636
gamlerhart
closed
5 months ago
6
Attempt to fix segfault CalculateAverage_zerninv.java
#635
zerninv
closed
5 months ago
5
More tweaks
#634
artsiomkorzun
closed
5 months ago
8
Franklyn key slice
#633
damnMeddlingKid
closed
5 months ago
0
Add validation script, that handles unsorted HashMaps and all 1 bill …
#632
ericxiao251
closed
5 months ago
0
jerrinot - running out of ideas
#631
jerrinot
closed
5 months ago
2
Franklyn remove copies
#630
damnMeddlingKid
closed
5 months ago
0
Paweł Adamski - 1brc submission
#629
PawelAdamski
closed
5 months ago
3
royvanrijn: Trying three readers as well
#628
royvanrijn
closed
5 months ago
2
shipilev: Amendments to version 4
#627
shipilev
closed
5 months ago
1
Processing three at once
#626
artsiomkorzun
closed
5 months ago
1
anestoruk second attempt
#625
anestoruk
closed
5 months ago
1
Validation script to handle unsorted results and all results
#624
ericxiao251
closed
1 month ago
1
Validation script to handle unsorted results and all results
#623
ericxiao251
closed
5 months ago
1
Reduce preferred vector size
#622
ianopolousfast
closed
5 months ago
1
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