Any help here would be greatly appreciated. On Tue, Jul 11, 2017 at 2:37 PM, Jake Gerard <[email protected]> wrote:
> Good Afternoon, > > I have been moving to an HDF5/XDMF system for analyzing big data from a > computational fluid model. I finally got all the basic components working > on my local machine but have run into problems when trying to run on an HPC > system. Here is the XDMF file: > > <?xml version="1.0" ?> > <!DOCTYPE Xdmf SYSTEM "Xdmf.dtd" []> > <Xdmf xmlns:xi="http://www.w3.org/2003/XInclude"; Version="2.1"> > <Domain> > <Grid Name="my_Grid" GridType="Uniform"> > <Topology TopologyType="3DCoRectMesh" Dimensions="91 19 19"> > </Topology> > <Geometry GeometryType="Origin_DxDyDz"> > <DataItem Dimensions="3" NumberType="Integer" Format="XML"> > 0 0 0 > </DataItem> > <DataItem Dimensions="3" NumberType="Integer" Format="XML"> > 1 1 1 > </DataItem> > </Geometry> > <Attribute Name="pressure" AttributeType="Scalar" Center="Node"> > <DataItem Dimensions="91 19 19" NumberType="Float" Format="HDF"> > out.h5:/pres_group/presmag > </DataItem> > </Attribute> > <Attribute Name="velocity" AttributeType="Vector" Center="Node"> > <DataItem ItemType="Function" Function="JOIN($0, $1, $2)" > Dimensions="91 19 19 3"> > <DataItem Dimensions="91 19 19" NumberType="Float" Format="HDF"> > out.h5:/velo_group/x_velo > </DataItem> > <DataItem Dimensions="91 19 19" NumberType="Float" Format="HDF"> > out.h5:/velo_group/y_velo > </DataItem> > <DataItem Dimensions="91 19 19" NumberType="Float" Format="HDF"> > out.h5:/velo_group/z_velo > </DataItem> > </DataItem> > </Attribute> > </Grid> > </Domain> > </Xdmf> > > This has worked properly on my machine. However, when I was getting an > error of failing to read the pressure data when I tried this on multiple > processes. The vector data for velocity was fine, but the pressure data > could not be read. I narrowed the problem down to something regarding the > number of processes because the pressure data worked fine on the HPC > machine if I only ran it on 1 process. Is there anything that sticks out > that could be causing this problem? For instance, is there a different > format for these files when they are run on multiple processes? > > Respectfully, > > Jacob Gerard >
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