Re: Where is the eln search path defined

[Andrea Corallo]

Alex Bennée <address@hidden> writes:

> Andrea Corallo <address@hidden> writes:
>
>> Alex Bennée <address@hidden> writes:
>>
>>> Andrea Corallo <address@hidden> writes:
>>>
>>>> Andrea Corallo <address@hidden> writes:
>>>>
> <snip>
>>>   
>>> |----------------+----------------+------------+---------+-------------+-----------------|
>>>   | total          |         130.97 |       7.81 |       5 |      138.78 |  
>>>           7.21 |
>>
>> Does that means that we are observing a 15x perf uplift?
>>
>> What's the uarch are we looking at?
>>
>> Simple uarch usually benefit more, 15x is a lot tho.
>
> I've recently updated the host OS to the latest Ubuntu LTS so I was
> trying to gather details with the system emacs for comparison:
>
>   "GNU Emacs 26.3 (build 2, aarch64-unknown-linux-gnu)
>    of 2020-03-26, modified by Debian"
>
> But I don't seem to be able to get through one iteration. Could it be a
> .elc breakage between 26 and master or something else?
>
>   Compiling... 
> /home/alex/.emacs.d/elpa/elisp-benchmarks-1.5/benchmarks/pidigits.el
>   Compiling 
> /home/alex/.emacs.d/elpa/elisp-benchmarks-1.5/benchmarks/pidigits.el...done
>   Wrote /home/alex/.emacs.d/elpa/elisp-benchmarks-1.5/benchmarks/pidigits.elc
>   Loading 
> /home/alex/.emacs.d/elpa/elisp-benchmarks-1.5/benchmarks/pidigits.elc...done
>   Loading 
> /home/alex/.emacs.d/elpa/elisp-benchmarks-1.5/benchmarks/bubble-no-cons...done
>   Loading 
> /home/alex/.emacs.d/elpa/elisp-benchmarks-1.5/benchmarks/bubble...done
>   Loading 
> /home/alex/.emacs.d/elpa/elisp-benchmarks-1.5/benchmarks/dhrystone...done
>   Loading 
> /home/alex/.emacs.d/elpa/elisp-benchmarks-1.5/benchmarks/fibn-rec...done
>   Loading 
> /home/alex/.emacs.d/elpa/elisp-benchmarks-1.5/benchmarks/fibn-tc...done
>   Loading /home/alex/.emacs.d/elpa/elisp-benchmarks-1.5/benchmarks/fibn...done
>   Loading 
> /home/alex/.emacs.d/elpa/elisp-benchmarks-1.5/benchmarks/inclist...done
>   Loading 
> /home/alex/.emacs.d/elpa/elisp-benchmarks-1.5/benchmarks/listlen-tc...done
>   Loading 
> /home/alex/.emacs.d/elpa/elisp-benchmarks-1.5/benchmarks/nbody...done
>   Loading 
> /home/alex/.emacs.d/elpa/elisp-benchmarks-1.5/benchmarks/pidigits...done
>   Iteration number: 1
>   Running bubble-no-cons...
>   Running bubble...
>   Running dhrystone...
>   Running fibn-rec...
>   Running fibn-tc...
>   Running fibn...
>   Running inclist...
>   Running listlen-tc...
>   Re-entering top level after C stack overflow
>
> I've tried various combinations of:
>
>   (setq max-specpdl-size 650)
>   (setq max-lisp-eval-depth 400)
>
> but I'm mainly just guessing without any concrete idea of what numbers I
> should be going for. Any ideas?

Hi Alex,

I believe for some reason this kernel is giving less room for the stack.
The only think you can do is to remove listlen-tc.el* or trim down
elb-listlen-tc-len in it.

  Andrea

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