[Vm-dev] StackVM with latest sources tinyBenchmarks

[Nicolas Cellier]

2013/2/19 Eliot Miranda <eliot.miranda at gmail.com>:
>
> Hi All,
>
>     kudos to Nicolas for posting some useful numbers in that they
> provide some context, in this case the other VMs running on the same
> machine.  But wrist slaps to all of you for not specifying:
>
> 1. which OS
> 2. what hardware
> 3. what C compiler was used to compile the VM
>

Sure, above numbers were not really meaningful, apart the ratio...
Mac OS X (Mac OS 1068 intel)
MacMini 2.26 GHz Intel Core 2 Duo
Compiler: 4.2.1 (Apple Inc. build 5666) (dot 3)

As for the load, I don't know how to provide a synthetic measurement,
but it's low...
The most annoying piece is Time machine and its disk access, I
sometimes forget to suspend it, but it was off during the
tinyBenchmark.

Nicolas

> Further kudos for indicating what kind of load the machine is under
> (one has to run benchmarks on a relatively unstressed machine, even if
> multicore), and, *really usefully*, what a previous version's
> benchmark score is on the same machine.
>
> Nicolas' results, Cog ~= 6.5x Interpreter, Stack ~= 1.75x Interpreter
> are exactly what one should expect for nfib (the sends/sec part of
> tinyBenchmarks) with the current Cog architecture.
>
> On Sun, Feb 17, 2013 at 9:21 AM, Nicolas Cellier
> <nicolas.cellier.aka.nice at gmail.com> wrote:
>>
>> This is not confirmed in regular svn cog branch
>>
>> 1 tinyBenchmarks
>>  '380 669 144 bytecodes/sec; 10 473 620 sends/sec' Interpreter VM
>>  '371 014 492 bytecodes/sec; 18 512 525 sends/sec' Stack VM
>>  '656 410 256 bytecodes/sec; 67 802 547  sends/sec' Cog VM
>>
>> Nicolas
>>
>> 2013/2/15 Igor Stasenko <siguctua at gmail.com>:
>>>
>>> On 15 February 2013 14:49, Esteban Lorenzano <estebanlm at gmail.com> wrote:
>>>>
>>>> Hi,
>>>>
>>>> I just compiled a cog vm and a stack vm with latest sources.
>>>> While the cog works well, the stack vm is having a serious performance drawback, tinyBenchmarks is giving me 5m bytecodes/s, while it should be around 500m... also I see the cpu charge increases to double.
>>>>
>>>> Do you tried to compile a stack vm lately? any idea where to start look for bugs?
>>>>
>>>
>>> just tried on my machine.. the results is discouraging:
>>>
>>> 1 tinyBenchmarks '4648460 bytecodes/sec; 337199 sends/sec'
>>>
>>>> thanks,
>>>> Esteban
>>>
>>>
>>>
>>> --
>>> Best regards,
>>> Igor Stasenko.
>
>
>
> --
> best,
> Eliot