On 1/21/06 4:23 AM, John Stiles didst favor us with:
> Rosyna wrote:
>>> there are lots of integer values in it that will need swapping, potentially
>>> hundreds of thousands of them for a single file, so I thought I should pick
>>> the format that's most likely to be native in the future. Some speculation
>>> is pretty much unavoidable here.
>> I'm designing a new file format and the nature of the data is such that
>>
>> But won't doing that for older machines create a huge performance
>> burden that they may not be able to handle?
> Let's keep some perspective here. G4s and G5s aren't complete dogs. They
> can run Virtual PC and emulate WinXP at a passable speed (and the G5
> really is doing all the byteswapping on the CPU). Imagine how many
> byteswaps per second that bad boy's doing. I don't think a few million
> byteswaps during a file load will affect much of anything.
>
I'm testing this with HostToLittle and it seems to perform fine on a G4. I
just figured it makes sense to eliminate the swapping as time goes on rather
than do more of it. I'll probably do some tests to compare swapping and
non-swapping to see if I can measure a difference.
Larry
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