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Date: | Mon, 25 Jun 2001 22:42:11 -0400 |
Message-Id: | <200106260242.WAA00615@envy.delorie.com> |
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From: | DJ Delorie <dj AT delorie DOT com> |
To: | djgpp AT delorie DOT com |
In-reply-to: | <3b37e92e.288745911@news.primus.ca> (invalid@erehwon.invalid) |
Subject: | Re: DJGPP reserves wrong int size |
References: | <9dde68b7 DOT 0106241053 DOT 2a385311 AT posting DOT google DOT com> <200106242138 DOT RAA18013 AT envy DOT delorie DOT com> <3b37e92e DOT 288745911 AT news DOT primus DOT ca> |
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> Modern processors care about alignments as large as *256 bits*!? 64 > bits for doubles or for ints on 64 bit chips, I figured, but 256!? Cache lines are often that large. Aligning data to cache lines improves cache performance. And long doubles should be 16-byte aligned (128 bits), which is only half of the the default anyway.
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