Truffle update instructions?

[Thomas Wuerthinger]

Yes, significantly improved warmup times (should be about 2x) is a major aspect of the next release. How to interpret the numbers in the table you linked?

Thanks, thomas


> On 15 Apr 2015, at 13:25, Stefan Marr <java at stefan-marr.de> wrote:
> 
> Hi:
> 
> In the non-TruffleDSL related changes of last night was something that fixed some of my TruffleSOM benchmarks.
> 
> However, there are still huge slowdowns.
> Will investigate further.
> 
> On the positive side, some of the benchmarks show nice improvements for warmup times.
> 
> http://som-speed.stefan-marr.de/changes/?tre=10&rev=975521543086049df4471ae1dde279fdd1e34db2&exe=9&env=1
> 
> Best regards
> Stefan
> 
>> On 14 Apr 2015, at 23:00, Stefan Marr <java at stefan-marr.de> wrote:
>> 
>> Hi Christian:
>> 
>> 
>>> On 09 Apr 2015, at 22:23, christian.humer at gmail.com wrote:
>>> 
>>> […] -G:+PrintTruffleExpansionHistogram […]
>>> 
>>> You can also run with -G:+TraceTrufflePerformanceWarnings which may also show you potential problems (Note that this tool also outputs a few false positives).
>> 
>> Ok, those two tools point at similar things. The histogram shows that there are remaining calls that are not inlined. And the same is pointed out by the performance warnings.
>> 
>> It looks like this:
>> 
>> [truffle] perf warn        not inlined Special call to HotSpotMethod<FrameWithoutBoxing.getLong(FrameSlot)> (20|MethodCallTarget)
>> [truffle] perf warn        not inlined Special call to HotSpotMethod<FrameWithoutBoxing.setLong(FrameSlot, long)> (43|MethodCallTarget)
>> [truffle] perf warn        not inlined Special call to HotSpotMethod<FrameWithoutBoxing.getArguments()> (102|MethodCallTarget)
>> [truffle] perf warn        non-leaf type checkcast: Lsom/vmobjects/SObject; (118|CheckCast)
>> [truffle] perf warn        non-leaf type instanceof: Lsom/vmobjects/SObject; (116|InstanceOf)
>> 
>> I also see those calls in IGV.
>> It looks to me like the basic frame access are not compiled for some reason.
>> 
>> Is that about right? Any idea what the cause could be?
>> 
>> Thanks
>> Stefan
>> 
>> PS: I updated to the latest Graal version of today.
>> 
>> -- 
>> Stefan Marr
>> INRIA Lille - Nord Europe
>> http://stefan-marr.de/research/
>> 
>> 
>> 
> 
> -- 
> Stefan Marr
> INRIA Lille - Nord Europe
> http://stefan-marr.de/research/
> 
> 
>