[GRASS-user] r.mapcalc multiprocess

[Blumentrath, Stefan]

Hi,

As far as I know it is not exactly recommended to compile with pthread, and if I recall the latest discussion correctly, the number of default workers was deliberately set to 1 due to issues with multithreaded r.mapcalc.

Don`t know which was the latest discussion on this topic, but it has been discussed / explained in detail on the developer list, e.g.:
https://lists.osgeo.org/pipermail/grass-dev/2012-June/058749.html
https://lists.osgeo.org/pipermail/grass-dev/2008-November/041047.html

Hope that helps a bit.

Kind regards,
Stefan

From: grass-user [mailto:grass-user-bounces at lists.osgeo.org] On Behalf Of Lorenzo Bottaccioli
Sent: 10. mars 2016 17:14
To: GRASS user list <grass-user at lists.osgeo.org>
Subject: [GRASS-user] r.mapcalc multiprocess

Hi every one,

I have just compiled grass with phtreds but when I run r.mapcalc it runs in only with one theard. How ca I fix this? Is it possible to check if is correclty compiled with phtreads?

Tnx

Lorenzo
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