lru

Memory

Hits and misses on a least-recently-used cache.

Input

Include multi-thread versions

Machine

Apple M5 laptop · Oct 20, 2026 · 32 results

lru results for input 1000 3000000, fastest first
#	Language	Code	Time (log scale)	vs best	± stddev	Peak mem	Compiler
1	Zig	1.zig	41ms	1.00×	0.4ms	2.5MB	zig 0.14.1
2	Rust	0-unsafe.rs	89ms	2.18×	0.6ms	1.5MB	rustc 1.88.0
3	C++	1.cpp	96ms	2.35×	1.4ms	1.4MB	g++ 15.1.0
4	Crystal	0-unsafe.cr	98ms	2.40×	0.6ms	7.1MB	crystal 1.17.0
5	Rust	1.rs	102ms	2.50×	0.7ms	1.6MB	rustc 1.88.0
6	C	1.c	137ms	3.35×	0.2ms	1.4MB	gcc 15.1.0
7	Swift	1.swift	143ms	3.49×	0.7ms	6.3MB	swift 6.1.2
8	Kotlin	2.kt	157ms	3.82×	2.9ms	86.4MB	kotlin/jvm 21
9	Crystal	1.cr	163ms	3.97×	2.2ms	7.1MB	crystal 1.17.0
10	Java	1.java	170ms	4.14×	0.7ms	83.3MB	openjdk 21
11	Kotlin	1.kt	176ms	4.30×	8.6ms	86.9MB	kotlin/jvm 21
12	Nim	2.nim	199ms	4.84×	2.4ms	2.6MB	nim 2.2.4
13	Java	1.java	216ms	5.28×	6.1ms	368.8MB	openjdk/zgc 21
14	Dart	2.dart	248ms	6.04×	0.9ms	7.9MB	dart/exe 3.8.2
15	Go	3.go	302ms	7.36×	21ms	3.3MB	go 1.24.5
16	OCaml	1.ml	391ms	9.53×	37ms	6.2MB	ocaml 5.3
17	Ruby	1.rb	448ms	10.93×	6.1ms	12.9MB	ruby/yjit 3.4.5
18	TypeScript	2.ts	457ms	11.15×	7.0ms	66.3MB	deno 2.4.3
19	C#	2.cs	510ms	12.45×	78ms	22.9MB	dotnet 9.0.303
20	PHP	1.php	589ms	14.37×	13ms	27.7MB	php 8.2.29
21	JavaScript	2.js	776ms	18.94×	4.8ms	129.7MB	bun 1.2.19
22	Dart	1.dart	914ms	22.31×	7.0ms	7.9MB	dart/exe 3.8.2
23	Ruby	1.rb	949ms	23.16×	12ms	12.5MB	ruby 3.4.5
24	TypeScript	1.ts	997ms	24.32×	22ms	63.5MB	deno 2.4.3
25	JavaScript	1.js	1.06s	25.74×	44ms	66.9MB	node 24.4.1
26	JavaScript	2.js	1.15s	28.03×	16ms	69.0MB	node 24.4.1
27	JavaScript	1.js	1.52s	37.07×	96ms	128.8MB	bun 1.2.19
28	Python	1.py	1.60s	39.00×	139ms	8.5MB	cpython 3.13.5
29	Python	2.py	2.34s	57.16×	274ms	8.0MB	cpython 3.13.5
30	Perl	1.pl	2.73s	66.62×	25ms	4.8MB	perl 5.40.2
31	C#	1.cs	3.24s	79.09×	182ms	27.8MB	dotnet 9.0.303
32	Nim	1.nim	12.14s	296.16×	659ms	2.4MB	nim 2.2.4