Nice! I guess it would be nice if "continue" *could* be compiled efficiently. And, as you indicate, perhaps that would amount to efficiently compiling let/ec.
Best regards, Mikael On Sat, Apr 24, 2021 at 5:19 PM Stefan Israelsson Tampe < stefan.ita...@gmail.com> wrote: > Guile is 3x faster then fastest python-on-guile which is 2x faster then > python3 Cpython > > attached is a guile corresponding program. > > On Sat, Apr 24, 2021 at 4:41 PM Stefan Israelsson Tampe < > stefan.ita...@gmail.com> wrote: > >> To note is that 'continue' is killing performance for python-on-guile >> programs, so by changing the >> code to not use continue lead to python-on-guile running twice the speed >> of python3. The reason is that >> the while loop is used as >> (while (...) >> (let/ec continue >> ...)) >> >> And the let/ec is probably not optimally compiled. Python-on-guile will >> check the loop for continue usage and if not then it will skip the let/ec. >> >> I attached the code not using continue >> >> On Sat, Apr 24, 2021 at 2:59 PM Stefan Israelsson Tampe < >> stefan.ita...@gmail.com> wrote: >> >>> 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.ita...@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 <mik...@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 <mik...@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 >>>>>> >>>>>>
