Author: Robert Hyatt
Date: 19:05:47 12/05/03
Go up one level in this thread
On December 05, 2003 at 21:44:41, Russell Reagan wrote:
>On December 05, 2003 at 21:24:19, Robert Hyatt wrote:
>
>>I have a structure that looks like this:
>>
>>struct BOOK_POSITION {
>> long long signature;
>> unsigned int status;
>> float learn;
>> int CAP;
>>}
>>
>>sizeof(above) gives 20 on my dual xeon, 24 on the
>>opteron. I'd like to make it 20 so that my binary book
>>can be shared between the opteron and the rest of the
>>intel world.
>>
>>Is there a reasonably portable way to fix this???
>>
>>(note the long long becomes a long on the opteron, the rest
>>are not changed.)
>
>The -fpack-struct option seems to do the trick, but I think it will probably
>remove any padding for all structs, which might not be a good thing overall.
Certainly fixed that, but it slowed things down overall. Guess I give up on
a portable binary book file, which is not that important anyway. Fixing to
build an enormous book.bin to see what this opteron is capable of doing with
that process...
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