Re: Python-on-guile

[Stefan Israelsson Tampe <stefan.itampe@gmail.com>]

Actually changing in (language python compile),

(define (letec f)
  (let/ec x (f x))))

To

(define-syntax-rule (letec f)
  (let/ec x (f x))))

Actually lead to similar speeds as python3.



On Sat, Apr 24, 2021 at 1:26 PM Stefan Israelsson Tampe <
stefan.itampe@gmail.com> wrote:

> Pro tip, when running this on guile the scheme code that it compilse to is
> located in log.txt.
> If you ,opt the resulting code in a guile session you might be able to
> pinpoint issues that
> delays the code execution.
>
> On Sat, Apr 24, 2021 at 12:04 PM Mikael Djurfeldt <mikael@djurfeldt.com>
> wrote:
>
>> (I should perhaps add that my script doesn't benchmark the object system
>> but rather loops, conditionals and integer arithmetic.)
>>
>> Den fre 23 apr. 2021 17:00Mikael Djurfeldt <mikael@djurfeldt.com> skrev:
>>
>>> Hi,
>>>
>>> Yesterday, Andy committed new code to the compiler, some of which
>>> concerned skipping some arity checking.
>>>
>>> Also, Stefan meanwhile committed something called "reworked object
>>> system" to his python-on-guile.
>>>
>>> Sorry for coming with unspecific information (don't have time to track
>>> down the details) but I noticed that my benchmark script written in Python,
>>> and which computes the 20:th Ramanujan number, now runs 60% faster than
>>> before these changes.
>>>
>>> This means that python-on-guile running on guile3 master executes python
>>> code only 2.6 times slower than the CPython python3 interpreter itself. :-)
>>>
>>> Have a nice weekend all,
>>> Mikael
>>>
>>>