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Re: exception handling poll
- To: jbuck at synopsys dot com, rth at cygnus dot com
- Subject: Re: exception handling poll
- From: meissner at cygnus dot com
- Date: Thu, 16 Oct 1997 22:23:02 -0400 (EDT)
- Cc: egcs at cygnus dot com
| If the .eh_frame section does not get paged into memory, then I think 10% is
| acceptable (remember that the in-memory penalty is essentially zero). For
| kernels or embedded code where there is no paging, the acceptable figure
| is smaller, and I suspect that folks would use -fno-exceptions no matter
| how small the penalty is (unless it is 2% or less).
Some of the GCC ports I've done, even 2% is unacceptable (when you only have
32k or whatever, it does become critical not to have extra overhead).