.. include:: system.rst .. _visualization: Visualization on |SYSTEM_NAME| ============================== |SYSTEM_NAME| Visualization Nodes --------------------------------- .. ifconfig:: system_name == 'juwels' |SYSTEM_NAME| contains four login visualization nodes which are dedicated to GPU-assisted data visualization. Here is an overview about the configuration: **4 visualization login nodes:** - ssh access via ``juwelsvis.fz-juelich.de`` (``juwelsvis[00-03].fz-juelich.de`` in round-robin fashion) - 768 GB main memory, 1 NVIDIA Pascal P100 GPU - login nodes, that means direct access via ssh possible - shared by all users logged in .. ifconfig:: system_name == 'jureca' All |SYSTEM_NAME| login nodes are equipped with GPUs for visualization purposes. There are no dedicated visualization login or batch nodes. Here is an overview about the configuration: **12 login nodes:** - ssh access via ``jureca.fz-juelich.de`` (see :ref:`Access `) - 1 TB main memory, 2 NVIDIA Quadro RTX8000 - login nodes, that means direct access via ssh possible - shared by all users logged in How to Use the Visualization Nodes ---------------------------------- A graphical login simplifies the access to remote visualization and the data stored on the file system. Hence, we support and recommend the use of Virtual Network Computing (`VNC`_) on the visualization nodes of |SYSTEM_NAME|. VNC provides a complete graphical and remote desktop by - transmitting the keyboard and mouse events from your computer to the remote machine and - relaying the graphical screen updates back in the other direction. VNC is - platform-independent (VNC viewers are available for almost any operating system) - application-independent (no need for remote visualization support inside the application) With the help of `VirtualGL`_ installed on |SYSTEM_NAME| vis nodes OpenGL commands of visualization software can be processed on their local GPUs. In contrast to X-forwarding (``ssh -X``) this can speed up visualization tremendously especially for large data sets. For further details about how to use the vis nodes of |SYSTEM_NAME| for remote rendering please refer to the visualization related documentation at https://trac.version.fz-juelich.de/vis/ .. _`VNC`: https://trac.version.fz-juelich.de/vis/wiki/vnc3d .. _`VirtualGL`: http://www.virtualgl.org/ Additional Documentation ------------------------ `Remote 3D Visualization at JSC (PDF) `_