Kotlin

kotlin/jvm 21

#14

Overall rank

6.86×

Score

17/17

Problems covered

1

Did not finish

Best result per problem

Problem	Rank	Code	Time	Peak mem
binarytrees	#4 of 19	1.kt	469ms	130.0MB
coro-prime-sieve	#13 of 19	1.kt	1.73s	98.0MB
edigits	#13 of 19	1.kt	579ms	117.5MB
fannkuch-redux	#9 of 19	1.kt	1.91s	72.4MB
fasta	#13 of 19	1.kt	406ms	74.5MB
http-server	#19 of 19	1.kt	3.87s	316.4MB
json-serde	#16 of 19	1.kt	1.93s	664.9MB
knucleotide	#11 of 18	1.kt	1.70s	189.3MB
lru	#7 of 19	2.kt	157ms	86.4MB
mandelbrot	#12 of 19	1.kt	838ms	77.5MB
merkletrees	#7 of 19	1.kt	314ms	113.4MB
nbody	#13 of 19	1.kt	217ms	69.9MB
nsieve	#13 of 19	1.kt	1.16s	117.0MB
pidigits	#12 of 19	1.kt	2.36s	94.4MB
regex-redux	#15 of 18	1.kt	3.75s	235.3MB
secp256k1	#11 of 19	1.kt	2.15s	89.7MB
spectral-norm	#8 of 19	1.kt	1.74s	69.9MB

Head to head

Compare with

Kotlin is faster on 1 of 17 shared problems

Problem	Kotlin	C++	Faster by
binarytrees	469ms	649ms	Kotlin 1.38×
coro-prime-sieve	1.73s	53ms	C++ 32.52×
edigits	579ms	24ms	C++ 24.02×
fannkuch-redux	1.91s	1.76s	C++ 1.08×
fasta	406ms	242ms	C++ 1.67×
http-server	3.87s	27ms	C++ 141.47×
json-serde	1.93s	327ms	C++ 5.91×
knucleotide	1.70s	275ms	C++ 6.18×
lru	157ms	96ms	C++ 1.63×
mandelbrot	838ms	758ms	C++ 1.11×
merkletrees	314ms	300ms	C++ 1.04×
nbody	217ms	118ms	C++ 1.85×
nsieve	1.16s	276ms	C++ 4.21×
pidigits	2.36s	180ms	C++ 13.12×
regex-redux	3.75s	658ms	C++ 5.71×
secp256k1	2.15s	430ms	C++ 5.01×
spectral-norm	1.74s	1.32s	C++ 1.31×

Over time

Overall score after each run on Apple M5 laptop. Lower is faster.

Recent runs, newest first
Run	Version	Rank	Score	Change
Oct 20, 2026	kotlin/jvm 21	#14	6.86×	no change
Oct 20, 2026	kotlin/jvm 21	#14	6.86×	40.2% slower
Oct 19, 2026	kotlin/jvm 21	#11	4.89×	–