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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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961
#571
JordyV3
closed
7 months ago
2
Contribution to measure my abilities in the 1B rows test to the IQ test
#570
JordyV3
opened
7 months ago
0
Use simd for name comparison
#568
ianopolousfast
closed
7 months ago
1
1brc contribution from mattiz (first attempt)
#567
mattiz
closed
7 months ago
1
CalculateAverage_3j5a off-the-shelf Java components + ArraysSupport
#566
3j5a
closed
7 months ago
1
My previous solution as a GraalVM native binary
#565
kaufco
closed
7 months ago
2
Native image + a few smaller optimisations
#564
roman-r-m
closed
7 months ago
1
Small optimization to ebarlas submission
#563
ebarlas
closed
7 months ago
1
Rewrote to always read 16 bytes, this has less instructions on perf.
#562
royvanrijn
closed
7 months ago
1
use thomaswue trick, use parallelism, slightly faster
#560
abeobk
closed
7 months ago
1
C style code using Unsafe with hash table in L2 cache. Local testing suggests top-10.
#559
vemana
closed
7 months ago
2
Fix hundredwatt's entry on 10k dataset
#558
hundredwatt
closed
7 months ago
11
gabrielfoo's first attempt
#556
gabrielfoo
closed
7 months ago
3
Added environment docs
#555
rschwietzke
closed
7 months ago
2
#540 Cache SDKman
#554
ascheman
closed
7 months ago
1
serkan-ozal: Initial impl
#553
serkan-ozal
closed
7 months ago
27
Update README.md to add the _baseline
#552
Sarkie
closed
7 months ago
0
b1rc challenge by @jeevjyot
#551
jeevjyot
closed
7 months ago
1
improve speed, thanks to the following improvements:
#550
yavuztas
closed
7 months ago
16
CalculateAverage_3j5a off-the-shelf Java components + ArraysSupport
#549
3j5a
closed
7 months ago
0
Small improvements
#548
artsiomkorzun
closed
7 months ago
4
evaluate.sh: Add note for "using Unsafe"
#547
hundredwatt
closed
7 months ago
3
Add 1B rows test to CI test
#546
gunnarmorling
opened
7 months ago
0
jerrinot's improvement - fast-path for short keys
#545
jerrinot
closed
7 months ago
5
Add 1brc solution by @makohn
#544
makohn
closed
7 months ago
1
Trying no sharing
#543
artsiomkorzun
closed
7 months ago
2
Spawn a subprocess
#542
artsiomkorzun
closed
7 months ago
1
tonivade implementation (try 2)
#541
tonivade
closed
7 months ago
3
Cache SDKMan in CI build
#540
gunnarmorling
opened
7 months ago
1
First optimal solution attempt
#539
gauravdeshmukh
closed
7 months ago
2
Using the latest tricks
#538
royvanrijn
closed
7 months ago
1
Bug fixes, readability and Graal VM.
#537
japplis
closed
7 months ago
5
Trying an aligned ByteBuffer (again) like Artsiom
#536
royvanrijn
closed
7 months ago
2
#104: Running tests upon PR creation
#535
gunnarmorling
closed
7 months ago
1
Small improvements
#534
artsiomkorzun
closed
7 months ago
3
Tuning and subprocess spawn for thomaswue
#533
thomaswue
closed
7 months ago
4
Add Yourwass take on the challenge
#532
yourwass
closed
7 months ago
2
jerrinot's improvement: fast path for name len <= 16
#531
jerrinot
closed
7 months ago
0
Label unsafe entries
#530
ianopolousfast
closed
7 months ago
7
CalculateAverage_michaljonko
#529
michaljonko
closed
7 months ago
3
Suggestion for the next time
#528
balayanv
opened
7 months ago
3
Added implementation CalculateAverage_kaufco - The Bit Bang Theory
#527
kaufco
closed
7 months ago
7
fine tuning performance further
#526
karthikeyan97
closed
7 months ago
6
Reduce allocations and heap size
#525
roman-r-m
closed
7 months ago
8
Deploy v2 for parkertimmins
#524
parkertimmins
closed
7 months ago
3
Small optimization for ebarlas submission.
#523
ebarlas
closed
7 months ago
8
kumarSaurav123 Attempt#4
#522
kumarsaurav123
closed
7 months ago
1
small improvements
#521
YannMoisan
closed
7 months ago
3
KumarSaurav123 Attemp#4 -> Use Array to store result instead of List and Grouping by
#520
kumarsaurav123
closed
7 months ago
0
kumarsaurav123 Attempt#4
#519
kumarsaurav123
closed
7 months ago
0
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