Microbenchmarks can always be misleading. My take on Go vs. Java performance: https://www.quora.com/When-can-Golang-be-as-fast-as-Java/answer/Eric-Johnson-157
The key point is that optimizing the developer's time completely swamps a lot of other limitations. This partly explains why Python and Javascript continue to see wide use, in spite of their performance concerns. Eric. On Thursday, January 24, 2019 at 8:28:16 PM UTC-8, Karthik Krishnaswamy wrote: > > I am just curious to understand what is the best possible way to increase > the execution speed of this particular program ? I am still learning go > though :) > > On Fri, Jan 25, 2019 at 8:26 AM Ian Lance Taylor <ia...@golang.org > <javascript:>> wrote: > >> On Thu, Jan 24, 2019 at 6:21 PM Topget <topge...@gmail.com <javascript:>> >> wrote: >> > >> > I have tested several simple functions with Golang and Java. To my >> surprise, Java sometimes is faster than Golang（especially in recursive >> function and some function in standard library such as math/rand.Rand）. I >> wonder why. Here is some code I used for test and the result. >> >> Because goroutines start with a small stack that grows as needed, >> deeply recursive functions will tend to have somewhat worse behavior >> the first time they are called. >> >> Ian >> >> -- >> 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...@googlegroups.com <javascript:>. >> For more options, visit https://groups.google.com/d/optout. >> > -- 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. For more options, visit https://groups.google.com/d/optout.
