Ken Adam wrote: > > Personally, I would declare it packed, use the types that are defined not to > change (as mentioned in another post), and then add 1 byte "reserved" to make > sure > the structure remained a nice round 16 bytes long to preserve alignment, and > accept that > this means that it will use 1/15 more disk space than necessary. > So, because of this forced 16 bytes alignment the I will have no performance penalty even if the records are packed. Right?
> Alternatively I'd look at whether I really need to store the Boolean > separately, or could I pack it as 1 bit into one of the other fields. I don't see the point. If I add an extra byte to force the record length at 16, then I will have anyway an extra byte that is actually wasted. So there is no point to 'compress' that byte to 1 bit. Inserting that extra byte will eat some memory because I have to load LOTS of those arrays in memory so the memory lost is substantial (length of the array is about 10000-40000 records). I will see later if the speed is more important than memory size. _______________________________________________ Delphi mailing list -> [email protected] http://www.elists.org/mailman/listinfo/delphi
