[Openmcl-devel] Lisp Comparison

[Ron Garret]

That would have been my first thought too, but CCL doesn’t have an interpreter.  It always compiles everything.

On Apr 18, 2017, at 5:25 PM, David McClain <dbm at refined-audiometrics.com> wrote:

> Wow, sorry about the confusion here… That really does sound like plain interpreted code versus natively compiled code. A good bytecode compiler / closure “interpreter” will give 5:1. But I have seen 100:1 in simple minded interpreters vs native code. Looks like something is really off here.
> 
> Definitely, a profile is called for. I truly doubt that the underlying Lisp implementation is at fault. 
> 
> - DM
> 
> 
>> On Apr 18, 2017, at 16:54, Pierpaolo Bernardi <olopierpa at gmail.com> wrote:
>> 
>> On Wed, Apr 19, 2017 at 1:34 AM, David McClain
>> <dbm at refined-audiometrics.com> wrote:
>> 
>>> Still, if running something like this produces results on a laptop, does it really matter whether it happens in 7 sec or 30 sec? Is this the kind of code that would be placed into continuous service and production? Or just something to give you some answers to chew on?
>> 
>> It's 8 seconds vs 24 minutes, 180 times slower. It certainly does matter.
>> 
>> (I have never observed such a big difference between sbcl and cll,
>> thought. Something very unusual must be going on)
>> 
> 
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