I think this one is different from previous. I don't criticize Go, I just seek reasons.
On Wednesday, July 28, 2021 at 11:44:13 AM UTC-4 Brian Candler wrote: > I think you have created rather a lot of threads recently on exactly the > same topic: > https://groups.google.com/g/golang-nuts/search?q=tapi%20benchmark > > I'm not convinced that another one is needed. There have been good > answers in the previous threads. > > Go has a fairly complex runtime (as you'll see from the size of compiling > "Hello world"), and such boundary conditions are to be expected, especially > when looking at memory allocation. But these rarely matter in real-world > programs. > > If they do matter in your application, then you may be happier with a > language like C, where the machine-code generated maps more directly to the > code you write. Even then, you will come across oddities in the > microarchitectures of the underlying hardware, such as what happens when > caches are under eviction pressure. > > When I was programming 6800's and 6502's, I was able to work out exactly > how long a piece of code would take to run, by generating a cycle-by-cycle > count. That's not possible any more :-) > > On Wednesday, 28 July 2021 at 15:43:38 UTC+1 tapi...@gmail.com wrote: > >> >> The benchmark code: https://play.golang.org/p/IqVnVa5x9qp >> >> When N == 16384, the benchmark result: >> >> Benchmark_Insert-4 134622 8032 ns/op 32768 >> B/op 1 allocs/op >> Benchmark_Insert2-4 132049 8201 ns/op 32768 >> B/op 1 allocs/op >> >> When N == 16385, the benchmark result: >> >> Benchmark_Insert-4 118677 9374 ns/op 40960 >> B/op 1 allocs/op >> Benchmark_Insert2-4 136845 7744 ns/op 40960 >> B/op 1 allocs/op >> > -- You received this message because you are subscribed to the Google Groups "golang-nuts" group. To unsubscribe from this group and stop receiving emails from it, send an email to golang-nuts+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/golang-nuts/2c217862-84b7-4bff-a48a-06810848bcf4n%40googlegroups.com.
