RE: Frontswap [PATCH 0/4] (was Transcendent Memory): overview

[Dan Magenheimer]

> dma engines are present on commodity hardware now:
> 
> http://en.wikipedia.org/wiki/I/O_Acceleration_Technology
> 
> I don't know if consumer machines have them, but servers certainly do.
> modprobe ioatdma.

They don't seem to have gained much ground in the FIVE YEARS
since the patch was first posted to Linux, have they?

Maybe it's because memory-to-memory copy using a CPU
is so fast (especially for page-ish quantities of data)
and is a small percentage of CPU utilization these days?
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