Announcing Elembuf

[H. S. Teoh]

On Tue, Dec 18, 2018 at 01:56:18PM -0500, Steven Schveighoffer via Digitalmars-d-announce wrote:
> On 12/18/18 10:36 AM, H. S. Teoh wrote:
> > On Tue, Dec 18, 2018 at 08:00:48AM +0000, Cyroxin via Digitalmars-d-announce wrote:
> > > [...] While the focus of this library is in socket receival,
> > > reading from a file doesn't seem to be bad either.
> > [...]
> > 
> > Ahh, I see. I thought the intent was to read from a file locally. If
> > you're receiving data from a socket, having a circular buffer makes
> > a lot more sense.  Thanks for the clarification.  Of course, a
> > circular buffer works pretty well for reading local files too,
> > though I'd consider its primary intent would be better suited for
> > receiving data from the network.
> 
> Although I haven't tested with network sockets, the circular buffer I
> implemented for iopipe
> (http://schveiguy.github.io/iopipe/iopipe/buffer/RingBuffer.html)
> didn't have any significant improvement over a buffer that moves the
> data still in the buffer.
[...]

Interesting. I wonder why that is. Perhaps with today's CPU cache
hierarchies and read prediction, a lot of the cost of moving the data is
amortized away.


T

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