[Openmcl-devel] native threads

[Ron Garret]

CCL compiles everything.  The SBCL compiler is just better.

> On Jan 5, 2024, at 9:11 AM, Tim Bradshaw <tfb at tfeb.org> wrote:
> 
> You realise that SBCL is almost certainly compiling this and CCL is almost certainly not?
> 
> --tim
> 
>> On 5 Jan 2024, at 14:29, Taoufik Dachraoui <dachraoui.taoufik at gmail.com> wrote:
>> 
>> 
>> It looks like it is not because of the threads:
>> 
>> taoufik at Ankbot:~/workspace/ccl/actor$ sbcl
>> This is SBCL 2.3.11, an implementation of ANSI Common Lisp.
>> More information about SBCL is available at <http://www.sbcl.org/ <http://www.sbcl.org/>>.
>> 
>> SBCL is free software, provided as is, with absolutely no warranty.
>> It is mostly in the public domain; some portions are provided under
>> BSD-style licenses.  See the CREDITS and COPYING files in the
>> distribution for more information.
>> * (time (reduce #'+ (loop for i from 0 upto 100000000 collect i)))
>> Evaluation took:
>>   1.836 seconds of real time
>>   1.835223 seconds of total run time (1.351394 user, 0.483829 system)
>>   [ Real times consist of 1.184 seconds GC time, and 0.652 seconds non-GC time. ]
>>   [ Run times consist of 1.184 seconds GC time, and 0.652 seconds non-GC time. ]
>>   99.95% CPU
>>   3,876,850,246 processor cycles
>>   1,600,427,200 bytes consed
>>   
>> 5000000050000000
>> * taoufik at Ankbot:~/workspace/ccl/actor$ ccl
>> Clozure Common Lisp Version 1.12.1 (v1.12.1-22-g6b1f1d3a) LinuxX8664
>> 
>> For more information about CCL, please see http://ccl.clozure.com <http://ccl.clozure.com/>.
>> 
>> CCL is free software.  It is distributed under the terms of the Apache
>> Licence, Version 2.0.
>> ? (time (reduce #'+ (loop for i from 0 upto 100000000 collect i)))
>> (REDUCE #'+ (LOOP FOR I FROM 0 UPTO 100000000 COLLECT I))
>> took 13,091,079 microseconds (13.091079 seconds) to run.
>>      11,036,666 microseconds (11.036666 seconds, 84.31%) of which was spent in GC.
>> During that period, and with 24 available CPU cores,
>>      12,734,283 microseconds (12.734283 seconds) were spent in user mode
>>         336,005 microseconds ( 0.336005 seconds) were spent in system mode
>>  1,600,000,032 bytes of memory allocated.
>>  397,400 minor page faults, 0 major page faults, 0 swaps.
>> 5000000050000000
>> ?
>> 
>> On Fri, Jan 5, 2024 at 3:10 PM Taoufik Dachraoui <dachraoui.taoufik at gmail.com <mailto:dachraoui.taoufik at gmail.com>> wrote:
>> Hi
>> 
>> In my current implementation of a classical actor model
>> I found that using ccl processes is much slower than sbcl threads
>> 
>> to create a thread I use ccl:process-run-function, is there another way to 
>> create native threads that are much faster; I do not need the ccl scheduling,
>> I want to create threads that are scheduled by the OS, I think that the ccl 
>> scheduler is the reason why my ccl tests are much slower than the tests run 
>> with sbcl
>> 
>> Regards
>> -- 
>> Taoufik Dachraoui
>> 
>> 
>> 
>> -- 
>> Taoufik Dachraoui
>> 

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