Re: floating point operations

2007-11-02 Thread Peter Jeremy
On Thu, Nov 01, 2007 at 10:40:04AM +1100, James Healy wrote: The remaining op is not easily converted to fixed point math, and we're wondering what impact a single flop on the receipt of each ACK will have. We don't have a strong understanding of the amount of overhead involved in executing a flop

Re: floating point operations

2007-11-01 Thread Dag-Erling Smørgrav
James Healy [EMAIL PROTECTED] writes: The remaining op is not easily converted to fixed point math, and we're wondering what impact a single flop on the receipt of each ACK will have. We don't have a strong understanding of the amount of overhead involved in executing a flop instead of an int

Re: floating point operations

2007-11-01 Thread David Schultz
On Thu, Nov 01, 2007, Dag-Erling Smørgrav wrote: James Healy [EMAIL PROTECTED] writes: The remaining op is not easily converted to fixed point math, and we're wondering what impact a single flop on the receipt of each ACK will have. We don't have a strong understanding of the amount of

floating point operations

2007-10-31 Thread James Healy
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 hackers, We've been making experimental changes to FreeBSD's TCP congestion control code, and we used a few floating point operations initially in our prototype. We've since gone back and converted all but one of the operations to fixed point maths