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From: Dirk Herrmann <dirk@dirk-herrmanns-seiten.de>
Cc: guile-devel@gnu.org
Subject: Re: GH replacement proposal (includes a bit of Unicode)
Date: Thu, 22 Apr 2004 19:00:24 +0200	[thread overview]
Message-ID: <4087FA28.6000307@dirk-herrmanns-seiten.de> (raw)
In-Reply-To: <ljwu49jrmy.fsf@troy.dt.e-technik.uni-dortmund.de>

Marius Vollmer wrote:

>prj@po.cwru.edu (Paul Jarc) writes:
>  
>
>>But maybe profile some code both ways to see if the function call
>>overhead is significant.  The current macro type predicates just
>>examine the bits of the SCM value, without even following a pointer,
>>right?  OTOH, these functions could be implemented as macros too, if
>>the performance gain was significant, so that shouldn't necessarily
>>affect the decision of whether to use the new API.
>>    
>>
>
>Yes, right.  What about inline functions?  We already use them for
>scm_cell and scm_double_cell, we can use them for converting fixnums
>as well, for example.
>  
>
With respect to binary backwards compatibility, inline functions are as 
bad as macros. In this case, a decision has to be taken between 
performance and backwards compatibility.

Best regards,
Dirk



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  parent reply	other threads:[~2004-04-22 17:00 UTC|newest]

Thread overview: 50+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2004-04-07 13:00 GH replacement proposal (includes a bit of Unicode) Marius Vollmer
2004-04-07 15:04 ` Paul Jarc
2004-04-13 13:25   ` Marius Vollmer
2004-04-13 15:54     ` Paul Jarc
2004-04-21 15:08       ` Marius Vollmer
2004-04-21 16:10         ` Paul Jarc
2004-04-21 18:06           ` Marius Vollmer
2004-04-21 16:31         ` Delivery failure (guile-devel@gnu.org) Bruce Korb
2004-04-21 21:34           ` GH replacement proposal (includes a bit of Unicode) Marius Vollmer
2004-04-21 21:46             ` Paul Jarc
2004-04-21 22:19               ` Dale P. Smith
2004-04-21 22:34                 ` Paul Jarc
2004-04-21 23:02                 ` Kevin Ryde
2004-04-22 17:36             ` Dirk Herrmann
2004-04-22 18:31               ` Paul Jarc
2004-05-17 21:14                 ` Marius Vollmer
2004-05-17 21:57                   ` Bruce Korb
2004-05-18  9:54                     ` Marius Vollmer
2004-04-22 17:00         ` Dirk Herrmann [this message]
2004-04-24 10:06         ` Dirk Herrmann
2004-04-24 19:46           ` Marius Vollmer
2004-04-25 20:33             ` Dirk Herrmann
2004-04-25 21:38             ` Paul Jarc
2004-05-17 21:45               ` Marius Vollmer
2004-04-17 13:21 ` Dirk Herrmann
2004-04-22  4:16   ` Rob Browning
2004-04-22 17:48     ` Dirk Herrmann
2004-05-12 20:09   ` Marius Vollmer
2004-05-15  9:50     ` Dirk Herrmann
2004-05-24 18:51       ` Marius Vollmer
2004-05-25  0:21         ` Paul Jarc
2004-05-26 21:27         ` Dirk Herrmann
2004-06-03 21:40           ` Marius Vollmer
2004-06-04  6:52             ` tomas
2004-08-09 22:29               ` Marius Vollmer
2004-05-15 10:18     ` Dirk Herrmann
2004-05-24 19:36       ` Marius Vollmer
2004-05-26 22:11         ` Dirk Herrmann
2004-08-09 22:28           ` Marius Vollmer
2004-04-22  4:39 ` Rob Browning
2004-04-22 17:58   ` Dirk Herrmann
2004-04-23  0:25     ` Rob Browning
2004-04-23 16:57   ` Marius Vollmer
2004-04-23 17:16     ` Rob Browning
2004-05-17 21:24       ` Marius Vollmer
2004-04-23 17:36     ` Andreas Rottmann
2004-05-17 21:30       ` Marius Vollmer
2004-05-18  9:21         ` Andreas Rottmann
2004-04-25  7:54     ` Dirk Herrmann
2004-05-17 21:44       ` Marius Vollmer

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