Re: using doubles in the kernel

[Kashif Shaikh <kshaikh@consensys.com>]

The Linux Kernel is getting fatter day by day.  Don't 'cook' it into a
buttery 'popcorn'...

Kashif

On Sat, 2002-07-06 at 15:48, Seth Arnold wrote:
> On Sat, Jul 06, 2002 at 01:35:52PM +0100, Lars Olsson wrote:
> > I'm implementing a neural network (executing in kernel
> > space because of performance reasons)
> 
> I've heard "performance reasons" meaning things should be implemented in
> the kernel over and over again, and just once, I'd like to try to find
> out _why_ implementing something in the kernel will improve your
> application's performance.
> 
> You still need to yield the processor to the other $N processes running
> on the system, you still need to answer interrupts.. The only way
> implementing this in the kernel is if you can save on data copies across
> protection boundaries. Since neural networks are inherently
> compute-bound, I'd be surprised if you could see any performance
> improvements by moving this into the kernel.
> 
> Why move NN into the kernel?
> 
> -- 
> http://www.wirex.com/


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