Programming Language and compiler
Benchmarks

Zig VS C# benchmarks

Current benchmark data was generated on Fri May 20 2022, full log can be found HERE

CONTRIBUTIONS are WELCOME!

[x86_64][2 cores] Intel(R) Xeon(R) Platinum 8370C CPU @ 2.80GHz (Model 106)

* -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
csharp 1.cs 1400ms 22ms 390.6MB 1260ms 180ms dotnet 6.0.300
csharp 1.cs 2295ms 25ms 103.2MB 2610ms 193ms mono 6.12.0
zig 1.zig timeout 0.0ms 0.0MB 0ms 0ms zig 0.10.0

Input: 15

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
csharp 1.cs 160ms 4.1ms 44.7MB 143ms 3ms mono 6.12.0
csharp 1.cs 194ms 16ms 93.0MB 140ms 20ms dotnet 6.0.300
zig 1.zig 3043ms 18ms 8.0MB 2350ms 657ms zig 0.10.0

edigits

Input: 250001

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
zig 1.zig 4173ms 2.8ms 1.1MB 3853ms 303ms zig 0.10.0
csharp 1.cs timeout 0.0ms 0.0MB 0ms 0ms dotnet 6.0.300

Input: 100000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
zig 1.zig 729ms 1.2ms 0.5MB 637ms 77ms zig 0.10.0
csharp 1.cs 1112ms 0.9ms 47.9MB 1067ms 13ms dotnet 6.0.300

fannkuch-redux

Input: 11

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
zig 2-m.zig 1201ms 3.4ms 0.0MB 2350ms 0ms zig 0.10.0
zig 2.zig 2680ms 2.2ms 0.0MB 2670ms 0ms zig 0.10.0
zig 1.zig 3444ms 4.2ms 0.1MB 3430ms 0ms zig 0.10.0

Input: 10

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
zig 2-m.zig 113ms 0.3ms 0.0MB 197ms 0ms zig 0.10.0
zig 2.zig 232ms 1.8ms 0.0MB 220ms 0ms zig 0.10.0
zig 1.zig 290ms 2.1ms 0.1MB 280ms 0ms zig 0.10.0

fasta

Input: 2500000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
zig 1.zig 155ms 0.1ms 0.0MB 150ms 0ms zig 0.10.0
csharp 5-m.cs 386ms 15ms 89.8MB 553ms 117ms dotnet 6.0.300
csharp 5-m.cs 493ms 9.8ms 59.0MB 813ms 110ms mono 6.12.0

Input: 250000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
zig 1.zig 18ms 0.3ms 0.0MB 10ms 0ms zig 0.10.0
csharp 5.cs 90ms 15ms 36.1MB 100ms 33ms mono 6.12.0
csharp 5.cs 99ms 9.1ms 45.3MB 90ms 23ms dotnet 6.0.300

helloworld

Input: QwQ

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
zig 1.zig 2.1ms 1.0ms 0.0MB 0ms 0ms zig 0.10.0
csharp 1.cs 19ms 0.4ms 24.3MB 10ms 0ms mono 6.12.0
csharp 1.cs 50ms 4.7ms 32.9MB 24ms 2ms dotnet 6.0.300

lru

Input: 1000 1000000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
zig 1.zig 47ms 1.7ms 1.6MB 37ms 0ms zig 0.10.0
csharp 2.cs 187ms 1.3ms 25.5MB 170ms 0ms mono 6.12.0
csharp 2.cs 208ms 4.7ms 28.0MB 170ms 0ms dotnet 6.0.300
csharp 1.cs 1670ms 5.3ms 91.7MB 1620ms 37ms dotnet 6.0.300
csharp 1.cs 3070ms 3.0ms 49.8MB 3023ms 37ms mono 6.12.0

Input: 1000 3000000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
zig 1.zig 132ms 0.3ms 1.6MB 120ms 0ms zig 0.10.0
csharp 2.cs 457ms 3.5ms 28.1MB 427ms 3ms dotnet 6.0.300
csharp 2.cs 511ms 13ms 24.4MB 497ms 0ms mono 6.12.0
csharp 1.cs 4722ms 92ms 92.7MB 4683ms 27ms dotnet 6.0.300
csharp 1.cs timeout 0.0ms 0.0MB 0ms 0ms mono 6.12.0

Input: 100 500000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
zig 1.zig 23ms 1.7ms 0.3MB 10ms 0ms zig 0.10.0
csharp 2.cs 107ms 1.5ms 27.3MB 93ms 0ms mono 6.12.0
csharp 2.cs 130ms 4.5ms 27.7MB 103ms 0ms dotnet 6.0.300
csharp 1.cs 3190ms 8.7ms 33.8MB 3163ms 3ms mono 6.12.0
csharp 1.cs 3201ms 7.3ms 73.2MB 3160ms 20ms dotnet 6.0.300

mandelbrot

Input: 5000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
zig 1.zig 429ms 0.2ms 3.1MB 420ms 0ms zig 0.10.0
csharp 2.cs 1289ms 18ms 94.2MB 1220ms 40ms dotnet 6.0.300
csharp 3.cs 4409ms 23ms 98.9MB 4353ms 33ms dotnet 6.0.300
csharp 1.cs timeout 0.0ms 0.0MB 0ms 0ms dotnet 6.0.300
csharp 1.cs timeout 0.0ms 0.0MB 0ms 0ms mono 6.12.0

Input: 1000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
zig 1.zig 20ms 1.5ms 0.0MB 10ms 0ms zig 0.10.0
csharp 2.cs 146ms 5.0ms 68.2MB 77ms 30ms dotnet 6.0.300
csharp 3.cs 296ms 2.4ms 62.3MB 260ms 13ms dotnet 6.0.300
csharp 1.cs 1762ms 21ms 94.1MB 1713ms 30ms dotnet 6.0.300
csharp 1.cs 3330ms 5.6ms 34.2MB 3307ms 10ms mono 6.12.0

merkletrees

Input: 17

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
csharp 2.cs 908ms 3.1ms 378.4MB 773ms 167ms dotnet 6.0.300
csharp 1.cs 922ms 7.6ms 395.6MB 780ms 173ms dotnet 6.0.300
csharp 1.cs 1729ms 34ms 153.0MB 2073ms 143ms mono 6.12.0
zig 1.zig timeout 0.0ms 0.0MB 0ms 0ms zig 0.10.0

Input: 15

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
csharp 2.cs 253ms 3.7ms 94.1MB 203ms 30ms dotnet 6.0.300
csharp 1.cs 284ms 3.0ms 183.8MB 197ms 67ms dotnet 6.0.300
csharp 1.cs 315ms 3.6ms 74.8MB 283ms 40ms mono 6.12.0
zig 1.zig timeout 0.0ms 0.0MB 0ms 0ms zig 0.10.0

nbody

Input: 5000000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
zig 2.zig 303ms 0.6ms 0.0MB 290ms 0ms zig 0.10.0
zig 1.zig 377ms 3.5ms 0.0MB 367ms 0ms zig 0.10.0
csharp 9.cs 438ms 9.0ms 29.3MB 410ms 0ms dotnet 6.0.300
csharp 8.cs 537ms 3.7ms 29.1MB 503ms 3ms dotnet 6.0.300
csharp 8.cs 1110ms 1.7ms 27.0MB 1097ms 0ms mono 6.12.0

Input: 500000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
zig 2.zig 33ms 1.6ms 0.0MB 20ms 0ms zig 0.10.0
zig 1.zig 40ms 0.6ms 0.0MB 30ms 0ms zig 0.10.0
csharp 9.cs 95ms 4.6ms 29.2MB 67ms 0ms dotnet 6.0.300
csharp 8.cs 101ms 4.9ms 31.2MB 77ms 0ms dotnet 6.0.300
csharp 8.cs 135ms 4.1ms 27.0MB 123ms 0ms mono 6.12.0

nsieve

Input: 12

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
zig 2.zig 423ms 0.2ms 4.9MB 410ms 0ms zig 0.10.0
zig 1.zig 687ms 54ms 39.1MB 657ms 17ms zig 0.10.0
csharp 1.cs 910ms 19ms 88.6MB 880ms 17ms mono 6.12.0
csharp 1.cs 960ms 29ms 87.9MB 910ms 20ms dotnet 6.0.300
csharp 2.cs 1031ms 0.9ms 40.1MB 993ms 7ms dotnet 6.0.300
csharp 2.cs 2587ms 3.8ms 32.5MB 2577ms 0ms mono 6.12.0

Input: 10

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
zig 2.zig 95ms 1.2ms 1.1MB 87ms 0ms zig 0.10.0
zig 1.zig 118ms 1.4ms 9.6MB 103ms 0ms zig 0.10.0
csharp 1.cs 185ms 0.6ms 40.7MB 173ms 3ms mono 6.12.0
csharp 1.cs 187ms 4.3ms 45.9MB 153ms 7ms dotnet 6.0.300
csharp 2.cs 301ms 3.8ms 31.7MB 273ms 0ms dotnet 6.0.300
csharp 2.cs 644ms 0.3ms 25.9MB 630ms 0ms mono 6.12.0

pidigits

Input: 8000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
csharp 1.cs timeout 0.0ms 0.0MB 0ms 0ms dotnet 6.0.300
zig 1.zig timeout 0.0ms 0.0MB 0ms 0ms zig 0.10.0

Input: 4000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
csharp 1.cs 1281ms 9.1ms 90.8MB 1277ms 30ms dotnet 6.0.300
zig 1.zig 2699ms 13ms 0.4MB 980ms 1700ms zig 0.10.0

spectral-norm

Input: 8000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
zig 2-m.zig 1070ms 4.8ms 0.3MB 2047ms 0ms zig 0.10.0
zig 2.zig 2064ms 3.4ms 0.0MB 2050ms 0ms zig 0.10.0
csharp 3-m.cs 2999ms 510ms 30.9MB 5187ms 20ms dotnet 6.0.300
zig 1.zig 4576ms 0.2ms 0.1MB 4560ms 0ms zig 0.10.0
csharp 3.cs timeout 0.0ms 0.0MB 0ms 0ms mono 6.12.0

Input: 4000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
zig 2-m.zig 278ms 2.3ms 0.2MB 510ms 0ms zig 0.10.0
zig 2.zig 517ms 0.8ms 0.0MB 507ms 0ms zig 0.10.0
csharp 3-m.cs 719ms 3.7ms 29.5MB 1297ms 13ms dotnet 6.0.300
zig 1.zig 1146ms 0.6ms 0.1MB 1133ms 0ms zig 0.10.0
csharp 3-m.cs 3181ms 129ms 29.4MB 6040ms 10ms mono 6.12.0

Input: 2000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
zig 2-m.zig 77ms 1.5ms 0.2MB 123ms 0ms zig 0.10.0
zig 2.zig 131ms 2.0ms 0.0MB 120ms 0ms zig 0.10.0
csharp 3-m.cs 235ms 3.5ms 30.1MB 360ms 3ms dotnet 6.0.300
zig 1.zig 289ms 1.4ms 0.1MB 280ms 0ms zig 0.10.0
csharp 3-m.cs 805ms 2.5ms 30.0MB 1530ms 3ms mono 6.12.0