All C benchmarks

Current benchmark data was generated on Sat Nov 16 2024, 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.)

helloworld

Input: QwQ

code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
1.c 1.1ms 0.1ms 1.4MB 0ms 0ms zigcc 0.13.0
1.c 1.2ms 0.1ms 2.1MB 0ms 0ms gcc 14.2.0
1.c 1.4ms 0.3ms 2.1MB 0ms 0ms clang 14.0.0-1ubuntu1.1

knucleotide

Input: 2500000_in

code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
1-m.c 181ms 12ms 25.6MB 417ms 13ms gcc 14.2.0
1-m.c 295ms 7.0ms 27.7MB 997ms 17ms clang 14.0.0-1ubuntu1.1

Input: 250000_in

code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
1-m.c 30ms 0.6ms 13.1MB 63ms 3ms gcc 14.2.0
1-m.c 37ms 1.4ms 15.0MB 103ms 3ms clang 14.0.0-1ubuntu1.1

nbody

Input: 5000000

code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
8-i.c 247ms 0.9ms 1.5MB 233ms 0ms zigcc 0.13.0
5.c 299ms 0.1ms 1.5MB 290ms 0ms zigcc 0.13.0
8-i.c 302ms 2.2ms 2.1MB 290ms 0ms clang 14.0.0-1ubuntu1.1
2.c 308ms 0.9ms 2.3MB 300ms 0ms gcc 14.2.0
5.c 311ms 0.1ms 2.3MB 300ms 0ms gcc 14.2.0
5.c 315ms 1.9ms 2.3MB 303ms 0ms clang 14.0.0-1ubuntu1.1
2.c 316ms 8.2ms 1.5MB 307ms 0ms zigcc 0.13.0
2.c 318ms 2.4ms 2.1MB 307ms 0ms clang 14.0.0-1ubuntu1.1
8-i.c 332ms 0.7ms 2.3MB 320ms 0ms gcc 14.2.0

Input: 500000

code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
8-i.c 27ms 0.4ms 1.5MB 20ms 0ms zigcc 0.13.0
5.c 32ms 0.2ms 1.5MB 20ms 0ms zigcc 0.13.0
8-i.c 33ms 0.3ms 2.1MB 20ms 0ms clang 14.0.0-1ubuntu1.1
5.c 34ms 0.4ms 2.3MB 27ms 0ms gcc 14.2.0
2.c 34ms 0.1ms 2.3MB 27ms 0ms gcc 14.2.0
2.c 34ms 0.8ms 1.5MB 23ms 0ms zigcc 0.13.0
5.c 35ms 0.5ms 2.1MB 30ms 0ms clang 14.0.0-1ubuntu1.1
2.c 35ms 0.2ms 2.1MB 23ms 0ms clang 14.0.0-1ubuntu1.1
8-i.c 36ms 0.1ms 2.3MB 30ms 0ms gcc 14.2.0

nsieve

Input: 12

code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
1.c 267ms 2.6ms 40.8MB 247ms 3ms clang 14.0.0-1ubuntu1.1
1.c 273ms 11ms 40.9MB 260ms 0ms gcc 14.2.0
1.c 284ms 0.5ms 40.3MB 263ms 3ms zigcc 0.13.0

Input: 10

code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
1.c 52ms 3.3ms 11.6MB 40ms 0ms gcc 14.2.0
1.c 52ms 1.2ms 11.7MB 40ms 0ms clang 14.0.0-1ubuntu1.1
1.c 55ms 2.1ms 11.0MB 40ms 0ms zigcc 0.13.0

spectral-norm

Input: 8000

code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
4-m.c 971ms 0.9ms 4.0MB 3807ms 0ms gcc 14.2.0
6-im.c 973ms 27ms 4.1MB 3773ms 0ms gcc 14.2.0
6-im.c 1018ms 30ms 5.3MB 3953ms 7ms clang 14.0.0-1ubuntu1.1
5-im.c 1102ms 20ms 4.1MB 4300ms 3ms gcc 14.2.0
4-m.c 1127ms 17ms 7.2MB 4397ms 3ms clang 14.0.0-1ubuntu1.1
5-im.c 1327ms 0.2ms 7.3MB 5197ms 3ms clang 14.0.0-1ubuntu1.1
3-m.c 1824ms 3.8ms 5.3MB 7187ms 0ms clang 14.0.0-1ubuntu1.1
3-m.c 1982ms 14ms 4.1MB 7777ms 3ms gcc 14.2.0

Input: 4000

code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
6-im.c 250ms 2.0ms 4.0MB 950ms 0ms gcc 14.2.0
4-m.c 254ms 3.2ms 4.1MB 967ms 0ms gcc 14.2.0
6-im.c 261ms 2.3ms 5.3MB 970ms 3ms clang 14.0.0-1ubuntu1.1
5-im.c 285ms 3.0ms 4.0MB 1090ms 0ms gcc 14.2.0
4-m.c 288ms 0.1ms 5.1MB 1093ms 0ms clang 14.0.0-1ubuntu1.1
5-im.c 342ms 3.7ms 7.3MB 1313ms 0ms clang 14.0.0-1ubuntu1.1
3-m.c 469ms 2.2ms 5.4MB 1797ms 3ms clang 14.0.0-1ubuntu1.1
3-m.c 505ms 5.3ms 4.0MB 1953ms 0ms gcc 14.2.0

Input: 2000

code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
6-im.c 71ms 0.7ms 4.0MB 247ms 0ms gcc 14.2.0
4-m.c 72ms 0.7ms 4.1MB 253ms 0ms gcc 14.2.0
6-im.c 72ms 0.0ms 5.1MB 233ms 3ms clang 14.0.0-1ubuntu1.1
5-im.c 81ms 1.7ms 4.0MB 283ms 0ms gcc 14.2.0
4-m.c 82ms 4.3ms 5.1MB 280ms 0ms clang 14.0.0-1ubuntu1.1
5-im.c 108ms 26ms 7.1MB 367ms 0ms clang 14.0.0-1ubuntu1.1
3-m.c 126ms 3.5ms 7.2MB 450ms 0ms clang 14.0.0-1ubuntu1.1
3-m.c 136ms 2.4ms 4.0MB 500ms 0ms gcc 14.2.0