Yes, you can expect this performance out of ACL5 (which is a refinement of
the ACL 4.3.2 comiler).

Jim.

At 09:59 AM 3/16/98 -0000, Ray Drew wrote:
>Jim
>
>As an ACL/Win3.02 user I'd like to know if I can look forward to this
>sort of performance with the forthcoming combined ACL5 for NT.
>
>Ray Drew
>
>From: Jim Veitch
>To: Bruce Tobin
>Cc: Allegro CL mailing list
>Subject: Re: [ACL] Help with performance comparison
>Date: Monday, March 16, 1998 7:25AM
>
>Bruce,
>
>Turns out I am wrong.  ACL 4.3.2 on NT is somewhat faster (and generates
>tighter code) than ACL 4.3 on Linux.  The NT compiler is of later
>vintage
>and includes more optimizations.
>
>Jim.
>
>At 09:16 AM 3/15/98 -0500, Bruce Tobin wrote:
>>    I have written a small  application the same way (as far as
>>possible) in Java, Dylan, Common Lisp, and Smalltalk.  The application
>>is a simple version of the CN2 rule induction algorithm.  The source
>>code for each version  is available at:
>>
>>      www.infinet.com/~btobin/perf.html
>>
>>    The timings for each (5 trials):
>>    Java (VJ++ 6.0 preview):
>>        1       9.304 seconds
>>        2       7.521 seconds
>>        3       7.121 seconds
>>        4       7.381 seconds
>>        5       7.832 seconds
>>
>>    Lisp (ACL/Win3.02):
>>         1      11.997 seconds
>>         2      11.557 seconds
>>         3      11.397 seconds
>>         4      11.686 seconds
>>         5      11.476 seconds
>>
>>    Dylan (Harlequin Dylan 1.0 beta 2):
>>        1       6.965591 seconds
>>        2       7.729048 seconds
>>        3       7.093233 seconds
>>        4       7.170502 seconds
>>        5       7.785091 seconds
>>
>>    Smalltalk (Smalltalk MT 1.5 beta 3): 10.3 seconds.
>>        1      8.422 seconds
>>        2      8.492 seconds
>>        3      8.301 seconds
>>        4      8.492 seconds
>>        5      8.352 seconds
>>
>>    Your advice on speeding up the Lisp code is solicited, but I think
>>my main problem is that I'm using ACL/Win3.02 instead of ACL 4.3 for
>>NT.  I've run the code under 4.3 for Linux, and the times were
>>excellent:
>>
>>Lisp (ACL 4.3 for Linux):
>>
>>1          2.624 seconds
>>2          2.524 seconds
>>3          2.515 seconds
>>4          2.525 seconds
>>5          2.510 seconds
>>
>>Does anyone have 4.3 for Linux and 4.3 for NT running on the same
>>machine?  How does performance differ from one to the other?
>>
>>Thanks,
>>Bruce T.
>>
>>
>>
>>
>>
>>
>
>