Hi All,
I'm writing some variable byte codec routines, which are used in
inner^N loops, and which I want to make really efficient. There are
several spots where the code uses lookup tables.
The best example is the table, which given the first byte, returns the
number of additional bytes. It is
On Mon, Jun 11, 2007 at 09:43:17AM +1000, Thomas Conway wrote:
Hi All,
I'm writing some variable byte codec routines, which are used in
inner^N loops, and which I want to make really efficient. There are
several spots where the code uses lookup tables.
The best example is the table, which
Stefan O'Rear wrote:
| On Mon, Jun 11, 2007 at 09:43:17AM +1000, Thomas Conway wrote:
:
| codeLen 127 = 0
| codeLen 128 = 1
| ...
| codeLen 255 = 8
|
| Now, compiling with ghc 6.6.1 and -O3, I see that it generates a long
| chain of conditional branches.
:
That's deeply tied in