Programming Language and compiler
Benchmarks

Php VS Kotlin benchmarks

Current benchmark data was generated on Tue Jul 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
kotlin 1.kt 488ms 8.7ms 575.8MB 583ms 93ms kotlin/jvm 21
kotlin 1.kt 3941ms 160ms 145.0MB 4120ms 63ms kotlin/native 2.1.20
php 1.php timeout 0.0ms 141.6MB 4963ms 20ms php 8.2.28

Input: 15

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
kotlin 1.kt 121ms 2.9ms 159.3MB 143ms 33ms kotlin/jvm 21
kotlin 1.kt 210ms 3.5ms 17.7MB 217ms 7ms kotlin/native 2.1.20
php 1.php 614ms 0.1ms 62.7MB 583ms 17ms php 8.2.28

helloworld

Input: QwQ

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
kotlin 1.kt 2.2ms 0.1ms 3.0MB 0ms 0ms kotlin/native 2.1.20
php 1.php 48ms 2.3ms 52.2MB 18ms 20ms php 8.2.28
kotlin 1.kt 65ms 2.5ms 47.7MB 76ms 16ms kotlin/jvm 21

merkletrees

Input: 17

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
kotlin 1.kt 389ms 8.7ms 680.7MB 447ms 90ms kotlin/jvm 21
kotlin 1.kt 1857ms 13ms 89.9MB 1940ms 43ms kotlin/native 2.1.20
php 1.php 3860ms 168ms 113.6MB 3810ms 33ms php 8.2.28

Input: 15

lang code time stddev peak-mem mem time(user) time(sys) compiler compiler/runtime
kotlin 1-m.kt 159ms 6.4ms 207.2MB 217ms 37ms kotlin/jvm 21
kotlin 1.kt 258ms 3.7ms 25.7MB 263ms 10ms kotlin/native 2.1.20
php 1.php 857ms 20ms 66.8MB 823ms 20ms php 8.2.28