Hi Stefan, I have just updated my grass-gis version to 7.0.3, berfore I was using 7.0.0 version and mapcalc was running in multitheard mode and was much faster. My question is how can i make it run again in multitheading?
Regards, Lorenzo 2016-03-10 22:39 GMT+01:00 Blumentrath, Stefan <[email protected]>: > 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:[email protected]] *On Behalf > Of *Lorenzo Bottaccioli > *Sent:* 10. mars 2016 17:14 > *To:* GRASS user list <[email protected]> > *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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