[GRASS-user] GRASS on Multi-Core CPUs?

Glynn Clements glynn at gclements.plus.com
Sun Mar 6 07:48:14 EST 2011

Rich Shepard wrote:

>    I know GRASS can be compiled and run on 64-bit processors, but can it be
> configured and built to take advantage of multiple cores? My workstation has
> a dual-core AMD CPU and my laptop has a quad-core Intel CPU. As I import and
> re-project statewide hydrographic flowlines (> 800k lines) I wonder if the
> processing would be quicker if GRASS took advantage of multiple cores.

There's very little support for parallelism in GRASS. The GPDE library
supports it via OpenMP, and the 7.0 version of r.mapcalc supports it
via POSIX threads.

Glynn Clements <glynn at gclements.plus.com>

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