On 18.05.2011 03:40, tora - Takamichi Akiyama wrote:
The size of class Impl_Font would reduce to 50 bytes or so from 88 bytes.
How big benefits could we get when such structure or class instances are
produced in large numbers?
Generally, this is a very valid concern. In some places where we found
out (or just assumed) that it makes a difference, we currently use
smaller integer types directly for member variables, instead of enum.
For example, see eCellType in ScBaseCell (sc/inc/cell.hxx). Or
FormulaToken (formula/inc/formula/token.hxx), where the type of eOp and
eType even depends on DBG_UTIL.
I don't know if Font objects are constructed in very large numbers.
Niklas
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