[squeak-dev] Re: [Pharo-dev] ||

Marcus Denker marcus.denker at inria.fr
Thu Feb 5 12:54:51 UTC 2015


> On 05 Feb 2015, at 10:12, Marcus Denker <marcus.denker at inria.fr> wrote:
> 
>> 
>> On 05 Feb 2015, at 10:04, Marcus Denker <marcus.denker at inria.fr> wrote:
>> 
>> 
>>> On 04 Feb 2015, at 22:04, Levente Uzonyi <leves at elte.hu> wrote:
>>> 
>>> A single parser is a nice goal, but performance is top priority for Shout, because it should do it's job real-time. When it starts lagging behind, then people just turn it off, because it doesn't help them.
>>> Can those parsers (SHRBTextStyler and a Smalltalk parser written using PetitParser) parse an average method in less than 20ms on an average machine?
>> 
>> I have not yet benchmarked it… PetitParser as it is is too slow, but we will soon have a faster version (factor 10).
>> 
>> We should do some benchmarks. For using, it seems ok. With a fast machine + JIT, which does not say much of course.
>> (there is a setting 'AST based coloring’ in Pharo3 and Pharo4, but it is turned off by default).
>> 
>> One thing that is nice with the AST is that it can be used for other things, too. e.g. in Pharo we have a menu that is defined 
>> by the AST nodes and structural navigation in the editor.
>> 
> 
> Another way to see it: How would the original Smalltalk be designed if they would have had 4GB RAM in 1978?
> 
> What fascinates me still is that Smalltalk used the existing resources (even building their own machines) to an
> extreme, while today we are obsessed to find reasons why we can not do anything that makes the system 
> slower or use more memory than yesterday. And that even with resources growing every year…
> 
> This is why we e.g. now have a meta object describing every instance variable in Pharo. I am sure there are people
> who will see these ~7000 objects as pure waste… while I would say that we have already *now* the resources to be
> even more radical.
> 

Seemingly I still can not explain what I mean in away that people get it, so please just ignore this mail.

	Marcus

-------------- next part --------------
An HTML attachment was scrubbed...
URL: http://lists.squeakfoundation.org/pipermail/squeak-dev/attachments/20150205/f0ad5213/attachment.htm


More information about the Squeak-dev mailing list