Bruce Momjian wrote:
> David Fetter wrote:
> > On Mon, Jun 06, 2005 at 12:02:18PM -0400, Bruce Momjian wrote:
> > >
> > > Patch removed because we already have this functionality.
> >
> > We don't yet have this functionality, as the patch allows for using
> > second and later regex matches "()" in
I tested crctest in two machines and two versions of gcc.
UltraSPARC III, gcc 2.95.3:
gcc -O1 crctest.c 1.321517 s
gcc -O2 crctest.c 1.099186 s
gcc -O3 crctest.c 1.099330 s
gcc -O1 crctest64.c
Tom Lane wrote:
> Based on this I think we ought to go with the "unrolled" approach, ie,
> we'll create a macro to initialize the fixed fields of fcinfo but fill
> in the arg and argisnull arrays with code like what's already in
> FunctionCall2:
I agree. The unrolled approach is a good result in
Tom Lane wrote:
> Neil Conway <[EMAIL PROTECTED]> writes:
> > I agree; I think the macro is a nice improvement to readability.
>
> But a dead loss for performance, since it does a MemSet *and* some other
> operations. What's worse, it changes a word-aligned MemSet into a
> n
When SQL that returns many tuples with character code conversion
is executed, the FunctionCall3/FunctionCall5 becomes a bottleneck.
Because MemSet is used to initialize FunctionCallInfoData in these
functions, a lot of cycles are spent.
set client_encoding to 'SJIS';
sel
