V VS Go benchmarks

Current benchmark data was generated on Fri Aug 01 2025, full log can be found HERE

CONTRIBUTIONS are WELCOME!

[x86_64][4 cores] AMD EPYC 7763 64-Core Processor (Model 1)

* -m in a file name stands for multi-threading or multi-processing

* -i in a file name stands for direct intrinsics usage. (Usage of simd intrinsics via libraries is not counted)

* -ffi in a file name stands for non-stdlib FFI usage

* (You may find time < time(user) + time(sys) for some non-parallelized programs, the overhead is from GC or JIT compiler, which are allowed to take advantage of multi-cores as that's more close to real-world scenarios.)

binarytrees

Input: 18

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
v 1.v 784ms 5.2ms 22.1MB 770ms 0ms v/clang+gc 0.4.11
go 1.go 1726ms 16ms 51.9MB 1707ms 10ms tinygo 0.38.0
v 1.v 2201ms 13ms 2086.6MB 1303ms 883ms v/clang 0.4.11
go 1-m.go 2343ms 11ms 41.9MB 5213ms 33ms go 1.24.5

Input: 15

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
v 1.v 70ms 1.3ms 4.6MB 60ms 0ms v/clang+gc 0.4.11
go 1.go 152ms 0.5ms 5.0MB 140ms 0ms tinygo 0.38.0
go 1-m.go 207ms 1.7ms 8.3MB 367ms 7ms go 1.24.5
v 1.v 210ms 1.6ms 196.5MB 113ms 83ms v/clang 0.4.11

coro-prime-sieve

Input: 4000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
go 1-m.go 660ms 61ms 15.5MB 2573ms 0ms go 1.24.5
go 1.go timeout 0.0ms 13.3MB 2440ms 17047ms tinygo 0.38.0
v 1.v timeout 0.0ms 18.3MB 8357ms 10907ms v/clang 0.4.11
v 1.v timeout 0.0ms 18.8MB 9280ms 10013ms v/clang+gc 0.4.11

Input: 1000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
go 1-m.go 44ms 7.8ms 7.5MB 147ms 0ms go 1.24.5
go 1-m.go 672ms 69ms 4.4MB 307ms 2230ms tinygo 0.38.0
v 1-m.v 1379ms 60ms 10.0MB 2250ms 2973ms v/clang 0.4.11
v 1-m.v 1516ms 123ms 10.5MB 2680ms 3060ms v/clang+gc 0.4.11

edigits

Input: 250001

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
go 1.go 118ms 0.3ms 10.5MB 110ms 0ms go 1.24.5
v 1.v timeout 0.0ms 8.3MB 4990ms 0ms v/clang+gc 0.4.11

Input: 100000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
go 1.go 33ms 0.4ms 8.2MB 23ms 0ms go 1.24.5
v 1.v timeout 0.0ms 5.0MB 4990ms 0ms v/clang+gc 0.4.11

fannkuch-redux

Input: 11

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
go 3-m.go 724ms 0.6ms 5.5MB 2807ms 0ms go 1.24.5
go 3-m.go 725ms 2.0ms 3.0MB 2653ms 50ms tinygo 0.38.0
v 1.v 2224ms 12ms 1.9MB 2213ms 0ms v/clang+gc 0.4.11
v 1.v 2254ms 5.4ms 1.1MB 2247ms 0ms v/clang 0.4.11

Input: 10

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
go 3-m.go 75ms 0.4ms 5.5MB 210ms 0ms go 1.24.5
go 3-m.go 103ms 4.4ms 3.0MB 190ms 33ms tinygo 0.38.0
v 1.v 189ms 1.9ms 1.9MB 180ms 0ms v/clang+gc 0.4.11
v 1.v 192ms 0.3ms 1.1MB 180ms 0ms v/clang 0.4.11

fasta

Input: 2500000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
go 3-m.go 118ms 1.0ms 7.5MB 380ms 0ms go 1.24.5
v 1.v 502ms 4.4ms 1.3MB 493ms 0ms v/clang 0.4.11
v 1.v 517ms 6.9ms 2.1MB 503ms 0ms v/clang+gc 0.4.11

Input: 250000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
go 3-m.go 17ms 1.0ms 7.5MB 30ms 0ms go 1.24.5
v 1.v 53ms 0.1ms 1.3MB 43ms 0ms v/clang 0.4.11
v 1.v 56ms 1.0ms 2.1MB 50ms 0ms v/clang+gc 0.4.11

helloworld

Input: QwQ

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
go 1.go 0.8ms 0.1ms 0.3MB 0ms 0ms tinygo 0.38.0
v 1.v 1.0ms 0.0ms 1.4MB 0ms 0ms v/clang 0.4.11
v 1.v 1.3ms 0.1ms 1.9MB 0ms 0ms v/clang+gc 0.4.11
go 1.go 1.5ms 0.1ms 3.4MB 0ms 0ms go 1.24.5

lru

Input: 1000 1000000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
go 3.go 119ms 1.2ms 3.5MB 110ms 0ms go 1.24.5
go 3.go 134ms 2.9ms 0.4MB 127ms 0ms tinygo 0.38.0
v 1.v 240ms 1.6ms 1.3MB 230ms 0ms v/clang 0.4.11
v 1.v 258ms 2.6ms 2.1MB 250ms 0ms v/clang+gc 0.4.11

Input: 1000 3000000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
go 3.go 385ms 3.2ms 0.4MB 373ms 0ms tinygo 0.38.0
go 3.go 387ms 4.2ms 3.5MB 380ms 0ms go 1.24.5
v 1.v 718ms 2.5ms 1.3MB 710ms 0ms v/clang 0.4.11
v 1.v 771ms 1.0ms 2.1MB 760ms 0ms v/clang+gc 0.4.11

Input: 100 500000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
go 3.go 50ms 1.0ms 3.5MB 40ms 0ms go 1.24.5
go 3.go 65ms 2.2ms 0.3MB 60ms 0ms tinygo 0.38.0
v 1.v 91ms 1.5ms 1.3MB 80ms 0ms v/clang 0.4.11
v 1.v 102ms 5.3ms 2.1MB 93ms 0ms v/clang+gc 0.4.11

nbody

Input: 5000000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
v 1.v 312ms 1.0ms 2.3MB 300ms 0ms v/clang+gc 0.4.11
v 1.v 314ms 1.2ms 1.6MB 307ms 0ms v/clang 0.4.11
go 1.go 349ms 3.6ms 0.3MB 340ms 0ms tinygo 0.38.0
go 1.go 350ms 1.9ms 3.5MB 340ms 0ms go 1.24.5

Input: 500000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
v 1.v 33ms 0.3ms 1.6MB 30ms 0ms v/clang 0.4.11
v 1.v 33ms 0.3ms 2.3MB 30ms 0ms v/clang+gc 0.4.11
go 1.go 37ms 1.3ms 0.3MB 30ms 0ms tinygo 0.38.0
go 1.go 38ms 0.1ms 3.5MB 30ms 0ms go 1.24.5

nsieve

Input: 12

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
v 1.v 299ms 7.9ms 41.2MB 287ms 0ms v/clang+gc 0.4.11
v 1.v 301ms 3.8ms 40.3MB 287ms 0ms v/clang 0.4.11
go 1.go 310ms 6.6ms 71.7MB 297ms 0ms go 1.24.5
go 1.go 312ms 4.6ms 39.4MB 300ms 0ms tinygo 0.38.0
v 2.v 332ms 2.5ms 6.1MB 323ms 0ms v/clang 0.4.11
v 2.v 333ms 5.6ms 6.9MB 323ms 0ms v/clang+gc 0.4.11
go 2.go 470ms 3.8ms 20.0MB 460ms 0ms tinygo 0.38.0
go 2.go 787ms 2.0ms 21.8MB 777ms 10ms go 1.24.5

Input: 10

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
v 1.v 61ms 2.3ms 19.0MB 50ms 0ms v/clang+gc 0.4.11
v 1.v 62ms 1.5ms 11.0MB 50ms 0ms v/clang 0.4.11
go 1.go 63ms 1.9ms 21.6MB 57ms 0ms go 1.24.5
go 1.go 67ms 2.7ms 10.1MB 60ms 0ms tinygo 0.38.0
v 2.v 82ms 1.6ms 2.4MB 70ms 0ms v/clang 0.4.11
v 2.v 83ms 1.9ms 3.1MB 73ms 0ms v/clang+gc 0.4.11
go 2.go 119ms 3.3ms 4.1MB 110ms 0ms tinygo 0.38.0
go 2.go 194ms 4.5ms 7.1MB 183ms 0ms go 1.24.5

pidigits

Input: 8000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
go 8.go 1120ms 3.1ms 10.7MB 1103ms 7ms go 1.24.5
v 2.v 3247ms 51ms 3.5MB 3227ms 3ms v/clang+gc 0.4.11

Input: 4000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
go 8.go 268ms 3.1ms 8.6MB 257ms 0ms go 1.24.5
v 2.v 813ms 36ms 3.1MB 803ms 0ms v/clang+gc 0.4.11

regex-redux

Input: 2500000_in

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
go 3.go timeout 0.0ms 120.5MB 4980ms 47ms go 1.24.5
go 3.go timeout 0.0ms 83.9MB 4973ms 10ms tinygo 0.38.0
v 1.v timeout 0.0ms 83.1MB 4980ms 3ms v/clang+gc 0.4.11

Input: 250000_in

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
go 3.go 1781ms 5.2ms 20.3MB 1773ms 10ms go 1.24.5
go 3.go 2266ms 7.5ms 22.3MB 2247ms 0ms tinygo 0.38.0
v 1.v 3509ms 13ms 26.0MB 3493ms 0ms v/clang+gc 0.4.11

spectral-norm

Input: 8000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
go 4-m.go 1906ms 16ms 5.4MB 7413ms 3ms go 1.24.5
go 1.go 3693ms 15ms 5.6MB 3690ms 0ms go 1.24.5
go 1.go timeout 0.0ms 0.5MB 4990ms 0ms tinygo 0.38.0
v 1.v timeout 0.0ms 1.6MB 4990ms 0ms v/clang 0.4.11
v 1.v timeout 0.0ms 2.8MB 4990ms 0ms v/clang+gc 0.4.11

Input: 4000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
go 4-m.go 480ms 1.0ms 5.5MB 1843ms 0ms go 1.24.5
go 1.go 924ms 10ms 3.5MB 917ms 0ms go 1.24.5
v 1.v 1287ms 3.1ms 1.5MB 1277ms 0ms v/clang 0.4.11
v 1.v 1300ms 2.7ms 2.5MB 1290ms 0ms v/clang+gc 0.4.11
go 1.go 1397ms 0.7ms 0.4MB 1390ms 0ms tinygo 0.38.0

Input: 2000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
go 4-m.go 125ms 1.2ms 5.6MB 457ms 0ms go 1.24.5
go 1.go 233ms 5.1ms 3.5MB 223ms 0ms go 1.24.5
v 1.v 325ms 2.3ms 1.5MB 317ms 0ms v/clang 0.4.11
v 1.v 327ms 0.9ms 2.5MB 320ms 0ms v/clang+gc 0.4.11
go 1.go 351ms 0.8ms 0.4MB 340ms 0ms tinygo 0.38.0