Programming Language and compiler
Benchmarks

Chapel VS C# benchmarks

Current benchmark data was generated on Mon May 19 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
csharp 1.cs 937ms 10ms 185.4MB 937ms 137ms dotnet 9.0.300
csharp 1.cs 1089ms 203ms 175.6MB 1003ms 140ms dotnet/aot 9.0.300
csharp 1.cs 1663ms 38ms 98.4MB 1863ms 183ms mono 6.12.0
chapel 4.chpl 1952ms 9.9ms 62.3MB 1943ms 3ms chpl 1.31.0
chapel 3.chpl 2127ms 36ms 62.3MB 2120ms 0ms chpl 1.31.0

Input: 15

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
csharp 1.cs 142ms 2.5ms 44.0MB 123ms 10ms mono 6.12.0
csharp 1.cs 161ms 19ms 31.8MB 100ms 30ms dotnet/aot 9.0.300
chapel 4.chpl 184ms 1.8ms 30.3MB 180ms 0ms chpl 1.31.0
chapel 3.chpl 186ms 1.6ms 32.3MB 183ms 0ms chpl 1.31.0
csharp 1.cs 203ms 9.4ms 50.0MB 160ms 37ms dotnet 9.0.300

coro-prime-sieve

Input: 4000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
csharp 1-m.cs 2148ms 121ms 48.9MB 7577ms 67ms dotnet/aot 9.0.300
chapel 1-m.chpl 2280ms 43ms 659.8MB 4437ms 87ms chpl 1.31.0
csharp 1-m.cs 2876ms 225ms 73.0MB 9937ms 117ms dotnet 9.0.300

Input: 1000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
csharp 1-m.cs 149ms 3.9ms 20.9MB 447ms 10ms dotnet/aot 9.0.300
chapel 1-m.chpl 206ms 4.4ms 630.1MB 320ms 60ms chpl 1.31.0
csharp 1-m.cs 298ms 11ms 37.4MB 860ms 23ms dotnet 9.0.300

edigits

Input: 250001

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
chapel 1.chpl 71ms 1.6ms 32.5MB 70ms 0ms chpl 1.31.0
csharp 1.cs 4097ms 4.2ms 18.3MB 4073ms 10ms dotnet/aot 9.0.300
csharp 1.cs 4958ms 17ms 37.6MB 4930ms 20ms dotnet 9.0.300

Input: 100000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
chapel 1.chpl 33ms 3.0ms 30.5MB 30ms 0ms chpl 1.31.0
csharp 1.cs 679ms 2.3ms 14.5MB 660ms 7ms dotnet/aot 9.0.300
csharp 1.cs 869ms 4.4ms 33.8MB 847ms 10ms dotnet 9.0.300

fasta

Input: 2500000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
chapel 5-m.chpl 105ms 0.9ms 28.4MB 190ms 0ms chpl 1.31.0
csharp 5-m.cs 130ms 1.4ms 25.4MB 353ms 97ms dotnet/aot 9.0.300
csharp 5-m.cs 190ms 8.2ms 39.0MB 473ms 110ms dotnet 9.0.300
csharp 5-m.cs 239ms 13ms 49.4MB 680ms 103ms mono 6.12.0

Input: 250000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
chapel 5.chpl 22ms 2.1ms 28.4MB 20ms 0ms chpl 1.31.0
csharp 5-m.cs 25ms 1.5ms 16.1MB 33ms 17ms dotnet/aot 9.0.300
csharp 5-m.cs 62ms 2.0ms 37.3MB 87ms 17ms dotnet 9.0.300
csharp 5-m.cs 73ms 0.4ms 31.2MB 103ms 27ms mono 6.12.0

helloworld

Input: QwQ

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
csharp 1.cs 7.5ms 2.9ms 9.6MB 0ms 0ms dotnet/aot 9.0.300
chapel 1.chpl 11ms 0.3ms 28.8MB 0ms 0ms chpl 1.31.0
csharp 1.cs 32ms 1.0ms 23.9MB 20ms 2ms mono 6.12.0
csharp 1.cs 35ms 0.3ms 26.1MB 20ms 0ms dotnet 9.0.300

knucleotide

Input: 2500000_in

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
csharp 6-m.cs 488ms 3.5ms 46.2MB 1320ms 20ms dotnet/aot 9.0.300
csharp 6-m.cs 722ms 26ms 68.3MB 1957ms 30ms dotnet 9.0.300
chapel 3-m.chpl 749ms 3.1ms 86.9MB 1420ms 7ms chpl 1.31.0
csharp 6-m.cs 1021ms 12ms 69.9MB 2960ms 30ms mono 6.12.0

Input: 250000_in

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
csharp 6-m.cs 100ms 5.3ms 36.6MB 170ms 17ms dotnet/aot 9.0.300
chapel 3-m.chpl 115ms 1.4ms 77.0MB 200ms 0ms chpl 1.31.0
csharp 6-m.cs 188ms 5.7ms 58.6MB 290ms 27ms dotnet 9.0.300
csharp 6-m.cs 194ms 4.9ms 51.0MB 377ms 17ms mono 6.12.0

nbody

Input: 5000000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
chapel 2.chpl 322ms 4.1ms 28.9MB 317ms 0ms chpl 1.31.0
csharp 9.cs 363ms 3.7ms 27.6MB 340ms 7ms dotnet 9.0.300
csharp 8.cs 372ms 0.9ms 9.8MB 360ms 0ms dotnet/aot 9.0.300
csharp 8.cs 423ms 2.3ms 27.6MB 403ms 3ms dotnet 9.0.300
csharp 8.cs 1252ms 5.3ms 22.4MB 1240ms 0ms mono 6.12.0

Input: 500000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
chapel 2.chpl 45ms 0.3ms 28.9MB 40ms 0ms chpl 1.31.0
csharp 8.cs 46ms 0.5ms 9.8MB 30ms 0ms dotnet/aot 9.0.300
csharp 9.cs 93ms 1.5ms 27.8MB 73ms 10ms dotnet 9.0.300
csharp 8.cs 95ms 2.7ms 27.6MB 77ms 7ms dotnet 9.0.300
csharp 8.cs 162ms 0.3ms 22.8MB 150ms 0ms mono 6.12.0

pidigits

Input: 8000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
chapel 2.chpl 445ms 2.1ms 30.4MB 440ms 0ms chpl 1.31.0
csharp 1.cs 3259ms 15ms 13.9MB 3147ms 107ms dotnet/aot 9.0.300
csharp 1.cs 3630ms 50ms 38.0MB 3650ms 117ms dotnet 9.0.300

Input: 4000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
chapel 2.chpl 115ms 0.6ms 30.4MB 110ms 0ms chpl 1.31.0
csharp 1.cs 761ms 6.7ms 13.5MB 727ms 20ms dotnet/aot 9.0.300
csharp 1.cs 990ms 7.0ms 37.5MB 1083ms 37ms dotnet 9.0.300

regex-redux

Input: 2500000_in

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
chapel 3.chpl 1396ms 9.0ms 220.1MB 1353ms 37ms chpl 1.31.0
csharp 6.cs 1758ms 15ms 418.7MB 1653ms 153ms dotnet/aot 9.0.300
csharp 5.cs 2138ms 7.7ms 443.4MB 2173ms 187ms dotnet 9.0.300
csharp 6.cs 2760ms 95ms 438.8MB 2717ms 170ms dotnet 9.0.300
csharp 5.cs 4264ms 20ms 419.0MB 4173ms 147ms dotnet/aot 9.0.300

Input: 250000_in

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
chapel 3.chpl 163ms 2.2ms 48.9MB 140ms 13ms chpl 1.31.0
csharp 6.cs 189ms 0.8ms 47.5MB 163ms 17ms dotnet/aot 9.0.300
csharp 5.cs 291ms 6.5ms 72.6MB 260ms 30ms dotnet 9.0.300
csharp 6.cs 396ms 4.6ms 70.3MB 357ms 33ms dotnet 9.0.300
csharp 5.cs 439ms 1.8ms 47.4MB 413ms 20ms dotnet/aot 9.0.300

secp256k1

Input: 2000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
chapel 1.chpl 1184ms 16ms 29.1MB 1177ms 0ms chpl 1.31.0
csharp 1.cs 2831ms 17ms 13.1MB 2790ms 27ms dotnet/aot 9.0.300
csharp 1.cs 2950ms 24ms 35.1MB 3023ms 40ms dotnet 9.0.300

Input: 500

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
chapel 1.chpl 315ms 8.4ms 29.1MB 310ms 0ms chpl 1.31.0
csharp 1.cs 717ms 5.6ms 12.8MB 697ms 7ms dotnet/aot 9.0.300
csharp 1.cs 1001ms 5.2ms 35.1MB 1100ms 17ms dotnet 9.0.300

spectral-norm

Input: 8000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
csharp 3-m.cs 1877ms 33ms 10.4MB 7243ms 3ms dotnet/aot 9.0.300
chapel 1-m.chpl 1912ms 1.5ms 28.9MB 3800ms 0ms chpl 1.31.0
csharp 3-m.cs 1988ms 108ms 30.3MB 7253ms 20ms dotnet 9.0.300
chapel 1.chpl 3730ms 9.2ms 28.8MB 3720ms 0ms chpl 1.31.0
csharp 3-m.cs 4713ms 116ms 24.7MB 18030ms 17ms mono 6.12.0

Input: 4000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
csharp 3-m.cs 475ms 1.5ms 10.5MB 1810ms 0ms dotnet/aot 9.0.300
chapel 1-m.chpl 492ms 1.7ms 28.8MB 960ms 0ms chpl 1.31.0
csharp 3-m.cs 535ms 3.2ms 30.1MB 1887ms 10ms dotnet 9.0.300
chapel 1.chpl 940ms 3.7ms 28.8MB 933ms 0ms chpl 1.31.0
csharp 3-m.cs 1236ms 42ms 25.8MB 4650ms 7ms mono 6.12.0

Input: 2000

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
csharp 3-m.cs 128ms 1.5ms 10.5MB 450ms 0ms dotnet/aot 9.0.300
chapel 1-m.chpl 134ms 0.9ms 28.9MB 240ms 0ms chpl 1.31.0
csharp 3-m.cs 176ms 1.1ms 28.5MB 503ms 10ms dotnet 9.0.300
chapel 1.chpl 249ms 2.0ms 28.8MB 243ms 0ms chpl 1.31.0
csharp 3-m.cs 356ms 11ms 25.4MB 1197ms 3ms mono 6.12.0