Ops Review

[Jonathan Worthington]

chromatic wrote:
> On Monday 19 January 2009 14:13:22 Bob Rogers wrote:
>   
>> Do you think that would be fast enough?  The usual way for dynamic
>> languages to get fast compiled numeric code is to bind variables to
>> hardware types at compile time, and then inline numeric operations in
>> order to use that information.  That seems to require op_i_i_i and
>> op_n_n_n versions of these ops, which are not language-dependent.
>>     
>
> I don't see how Parrot can be fast enough in general without JIT.  With JIT, if these ops are implemented in terms of other ops, there's no speed penalty.
>
>   
I think one criteria to consider is, are their architectures out there 
(that we're targeting now or likely to) that have the equivalent op 
implemented at a CPU instruction level, such that we could JIT it in the 
future? If so, there's probably benefit in it staying a Parrot op.

Jonathan