Re: [gdal-dev] GDAL using Nvidia - won't use OpenCL

2016-02-18 Thread Even Rouault
Le jeudi 18 février 2016 16:10:34, Jonathan Williams a écrit : > OK, I've solved this one, too, but it took a bit more hunting and > inserting of debug messages... > > The issue in this case was the data. I was using weather data in .grib2 > files, which comes in Float64 format. Digging into the

Re: [gdal-dev] GDAL using Nvidia - won't use OpenCL

2016-02-18 Thread Jonathan Williams
OK, I've solved this one, too, but it took a bit more hunting and inserting of debug messages... The issue in this case was the data. I was using weather data in .grib2 files, which comes in Float64 format. Digging into the gdalwarpkernel.cpp code, I see it is explicitly designed to only use up t

[gdal-dev] GDAL using Nvidia - won't use OpenCL

2016-02-15 Thread Jonathan Williams
Hello, I've been trying to compile GDAL with OpenCL support for an Nvidia gt555m (this is an Alienware m14x r1 laptop) on Ubuntu desktop (I wanted to run it headless, but Ubuntu server failed to boot with the Nvidia drivers and without X installed). Per the instructions at various sites, including