GC doesn't matter here. Look at few other benchmarks: https://attractivechaos.github.io/plb/ https://attractivechaos.github.io/plb/ https://github.com/kostya/

GC doesn't matter here. Look at few other benchmarks: https://attractivechaos.github.io/plb/ https://attractivechaos.github.io/plb/ https://github.com/kostya/benchmarks https://github.com/kostya/benchmarks NoGC comparison http://blog.mir.dlang.io/glas/benchmark/openblas/2016/09/23/glas-gemm-benchmark.html http://blog.mir.dlang.io/glas/benchmark/openblas/2016/09/23/...