Here is an idea for you. 35% faster on my macbook pro:

https://play.golang.org/p/3Mb5pR0V0J

 

Michael

 

 

From: <golang-nuts@googlegroups.com> on behalf of Roger Alsing 
<rogerals...@gmail.com>
Date: Thursday, December 1, 2016 at 12:52 AM
To: golang-nuts <golang-nuts@googlegroups.com>
Subject: [go-nuts] Help me beat Erlang, SkynetBenchmark challenge

 

I am currently trying to optimize the in process part of my Actor Model 
framework for Go - GAM.

In order to compare it to Erlang and Akka, I am using the "Skynet Benchmark" 
https://github.com/atemerev/skynet#results-i7-4771-ubuntu-1510

 

I have ported this test to my lib: 
https://github.com/AsynkronIT/gam/blob/dev/examples/spawnbenchmark/main.go

It works and the performance is roughly the same as the Scala Akka performace.

 

I have noticed that if I turn of GOGC, it runs extremely fast. about 3 times 
faster.

Is this because my test is generating a lot of garbage or more due to the GC 
process of GO having a big overhead by just running?

That is, would I still see a pef difference even in a system that does not 
allocate anything?

 

This test is ofcourse completely nonsense from a real world scenario, but 
still, it's an interesting challange trying to push the numbers down.

 

When profiling, I am not seeing anything specific that pops out at me. 

Anyone here up for giving a helping hand?

 

 

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