CSCfi · leopekkas · Jul 21, 2026 · Jul 20, 2026 · Jul 20, 2026 · Jul 20, 2026
diff --git a/docs/apps/ams-gui.md b/docs/apps/ams-gui.md
@@ -10,7 +10,7 @@ catalog:
   available_on:
     - Puhti
     - Mahti
-    - Roihu-CPU
+    - Roihu
 ---
 
 # AMS-GUI

diff --git a/docs/apps/blender.md b/docs/apps/blender.md
@@ -11,8 +11,10 @@ catalog:
     - web_interfaces:
         - LUMI
         - Puhti
+        - Roihu
     - LUMI
     - Puhti
+    - Roihu
 ---
 
 # Blender
@@ -24,6 +26,7 @@ game creation.
 
 ## Available
 
+* Roihu: 4.5.10
 * Puhti: 3.2, 3.6
 * LUMI: 3.5.1
 
@@ -37,9 +40,9 @@ including commercially or for education under Blender's
 
 You need accelerated graphics to work with Blender efficiently.
 
-### Puhti
+### Roihu
 
-1. Connect to the [Puhti web interface](../computing/webinterface/connecting.md).
+1. Connect to the [Roihu web interface](../computing/webinterface/connecting.md).
 2. Select the [Accelerated Visualization](../computing/webinterface/accelerated-visualization.md)
    app of the web interface and specify the required resources.
 3. Click the *Launch* button. Your job is placed in the queue, and once it has
@@ -48,7 +51,7 @@ You need accelerated graphics to work with Blender efficiently.
    for it using the *Application Finder*). Launching the software may take a
    few seconds, so be patient.
 
-![Launching Blender in Puhti web interface accelerated desktop](../img/interactive_session_workspace_blender.png 'Launching Blender in Puhti web interface accelerated desktop')
+![Launching Blender in Roihu web interface accelerated desktop](../img/blender_interactive_roihu.png 'Launching Blender in Roihu web interface accelerated desktop')
 
 ![Blender workspace](../img/blender_workspace.png 'Blender workspace')
 

diff --git a/docs/apps/comsol.md b/docs/apps/comsol.md
@@ -19,12 +19,14 @@ The COMSOL Multiphysics simulation environment facilitates
 all steps in the modeling process; defining your geometry, specifying
 your physics, meshing, solving and then post-processing your results.
 
-Setting up the model up is quick, thanks to a number of predefined modeling
+Setting up the model is quick, thanks to a number of predefined modeling
 interfaces for applications ranging from fluid flow and heat transfer to
 structural mechanics and electromagnetic analyses. Material properties,
 source terms and boundary conditions can all be arbitrary functions of
 the dependent variables.
 
+[TOC]
+
 ## Available
 COMSOL is available on CSC's [Roihu](../computing/available-systems.md) supercomputer on both the CPU and GPU (aarch64) partitions.
 
@@ -67,13 +69,15 @@ select `Desktop` from the `Apps` view and specify the required resources (cores,
 execution time and memory). Remember to add your billing project, too.
 
 Wait for a while as your interactive job sits in the queue and after that you can start
-COMSOL with double-clinking its icon (tick the box if you want to receive an email when your session starts).
+COMSOL with double-clicking its icon (tick the box if you want to receive an email when your session starts).
 
 !!! Note
     You can now also enable [interactive visualization with GPU
     acceleration](../computing/webinterface/accelerated-visualization.md) for better
     performance. In this case, select `Accelerated visualization` instead of `Desktop`
-    in the Puhti web interface.
+    in the Roihu web interface.
+
+    See the section below for details.
 
 Sometimes, you may encounter errors relating to OpenGL rendering during
 the launch. The solution is to force COMSOL to start with software
@@ -84,6 +88,22 @@ module load comsol
 comsol -3drend sw
 ```
 
+### Accelerated visualization in Roihu
+
+On Roihu's web interface, you can optionally choose to use the accelerated visualization desktop session to run COMSOL for more
+intensive visualization tasks.
+
+1. Connect to the [Roihu web interface](../computing/webinterface/connecting.md).
+2. Select the [Accelerated Visualization](../computing/webinterface/accelerated-visualization.md)
+   app of the web interface and specify the required resources.
+3. Click the *Launch* button. Your job is placed in the queue, and once it has
+   been allocated resources, click *Launch Accelerated Visualization*.
+4. Launch COMSOL from *Applications* > *Computational Engineering* > *COMSOL (Accelerated)* (or search
+   for it using the *Application Finder*). Launching the software may take a
+   few seconds, so be patient.
+
+![Launching COMSOL in Roihu web interface accelerated desktop](../img/comsol_interactive_roihu.png 'Launching COMSOL in Roihu web interface accelerated desktop')
+
 ## Support
 In case of issues, please [contact CSC Service Desk](../support/contact.md).
 

diff --git a/docs/apps/desktop.md b/docs/apps/desktop.md
@@ -12,6 +12,7 @@ catalog:
         - LUMI
         - Puhti
         - Mahti
+        - Roihu
     - LUMI
 ---
 
@@ -27,6 +28,7 @@ Free
 
 Desktop is available as an interactive application via the web interface for
 
+- Roihu
 - Mahti
 - Puhti
 - LUMI

diff --git a/docs/apps/paraview.md b/docs/apps/paraview.md
@@ -11,29 +11,34 @@ catalog:
     - web_interfaces:
         - LUMI
         - Puhti
+        - Roihu
     - LUMI
     - Puhti
     - Mahti
+    - Roihu
 ---
 
 # ParaView
 
 ParaView is an open source, powerful software for scientific visualization. Under the hood, it uses the VTK library, in Python wrapping. We recommend the [HPC web interface remote desktops](../computing/webinterface/desktop.md) for interactive use.
 
-!!! info "Running ParaView with GPU-accelerated graphics on Puhti and LUMI"
+!!! info "Running ParaView with GPU-accelerated graphics on Roihu and LUMI"
     You can now also enable [interactive visualization with GPU acceleration](../computing/webinterface/accelerated-visualization.md) for better
     performance. In this case, select _Accelerated visualization_ instead of _Desktop_
-    in the Puhti web interface. On LUMI, select the _Desktop_ app and `lumid`
+    in the Roihu web interface. On LUMI, select the _Desktop_ app and `lumid`
     partition ([more information](https://docs.lumi-supercomputer.eu/runjobs/webui/desktop/)).
 
 ParaView is designed to run parallel tasks and consists of one client and one or several servers (pvservers). There are many ways to run ParaView to suit different needs.
 
+[TOC]
+
 ## License
 
 ParaView uses a [permissive BSD license](https://www.paraview.org/paraview-license/) that enables the broadest possible audience, including commercial organizations, to use the software, royalty free, for most purposes.
 
 ## Available
 
+* Roihu-CPU: 6.1.1
 * Puhti: 5.10.1
 * Mahti: 5.10.1
 * LUMI: 5.8.0
@@ -114,6 +119,24 @@ srun --nodes=1 --ntasks=1 --cpus-per-task=$SLURM_CPUS_PER_TASK --mem=1000 --x11=
 wait
 ```
 
+### Accelerated visualization
+
+On Roihu's web interface, you can optionally choose to use the accelerated visualization desktop session to run more computationally
+intensive visualization workloads.
+
+The ParaView version available on Roihu's accelerated visualization partition is ParaView 5.13.3.
+
+1. Connect to the [Roihu web interface](../computing/webinterface/connecting.md).
+2. Select the [Accelerated Visualization](../computing/webinterface/accelerated-visualization.md)
+   app of the web interface and specify the required resources.
+3. Click the *Launch* button. Your job is placed in the queue, and once it has
+   been allocated resources, click *Launch Accelerated Visualization*.
+4. Launch ParaView from *Applications* > *Visualization* > *ParaView (Accelerated)* (or search
+   for it using the *Application Finder*). Launching the software may take a
+   few seconds, so be patient.
+
+![Launching ParaView in Roihu web interface accelerated desktop](../img/paraview_interactive_roihu.png 'Launching ParaView in Roihu web interface accelerated desktop')
+
 ## More Information
 
 * [ParaView homepage](http://www.paraview.org/)

diff --git a/docs/apps/visit.md b/docs/apps/visit.md
@@ -11,25 +11,29 @@ catalog:
     - web_interfaces:
         - LUMI
         - Puhti
+        - Roihu
     - LUMI
     - Puhti
     - Mahti
+    - Roihu
 ---
 
 # VisIt
 
 VisIt is an open source, versatile software for scientific visualization.
-VisIt is available on Puhti, and we recommend
-[the Puhti web interface remote desktop](../computing/webinterface/desktop.md)
+VisIt is available on Roihu, and we recommend
+[the Roihu web interface remote desktop](../computing/webinterface/desktop.md)
 for running the GUI.
 
-!!! info "Running VisIt with GPU-accelerated graphics on Puhti and LUMI"
+!!! info "Running VisIt with GPU-accelerated graphics on Roihu and LUMI"
     You can now also enable
     [interactive visualization with GPU acceleration](../computing/webinterface/accelerated-visualization.md)
     for much better performance. In this case, select the
-    _Accelerated Visualization_ app instead of _Desktop_ in the Puhti web
+    _Accelerated Visualization_ app instead of _Desktop_ in the Roihu web
     interface. On LUMI, select the regular _Desktop_ app and `lumid`
-    partition ([mode information](https://docs.lumi-supercomputer.eu/runjobs/webui/desktop/)).
+    partition ([more information](https://docs.lumi-supercomputer.eu/runjobs/webui/desktop/)).
+
+[TOC]
 
 ## License
 
@@ -38,14 +42,15 @@ VisIt is free also for commercial use and has been released under
 
 ## Available
 
-Puhti: 3.1.3, 3.3.3
-Mahti: 3.1.3, 3.3.1
-LUMI: 3.2.2
+* Roihu-CPU: 3.5.0
+* Puhti: 3.1.3, 3.3.3
+* Mahti: 3.1.3, 3.3.1
+* LUMI: 3.2.2
 
 ## Parallel use
 
 VisIt can be run interactively in parallel configuration using several
-processors. Login to Puhti and submit the following to launch VisIt on a
+processors. Log in to Puhti and submit the following to launch VisIt on a
 compute node
 
 ```bash

diff --git a/docs/computing/running/batch-job-partitions.md b/docs/computing/running/batch-job-partitions.md
@@ -127,7 +127,7 @@ Roihu also features the following partition for interactive use and data visuali
 |------------------|-----------------|------------|-------|-----------|-----------------------------------------|
 | `vizinteractive` | G               | 12 hours   | 1     | 2 per job | V                                       |
 
-Each node in the partition has 2 Nvidia L40 GPUs with 44 GiB of memory and a 64-core AMD EPYC 9335 CPU.
+Each node in the partition has 2 Nvidia L40 GPUs with 44 GiB of memory and two 32-core AMD EPYC 9335 CPUs.
 Each reserved GPU grants access to up to 32 CPU cores and 183 GiB of CPU memory.
 
 ### Local storage on Roihu nodes

diff --git a/docs/img/blender_interactive_roihu.png b/docs/img/blender_interactive_roihu.png
diff --git a/docs/img/blender_workspace.png b/docs/img/blender_workspace.png
diff --git a/docs/img/comsol_interactive_roihu.png b/docs/img/comsol_interactive_roihu.png
diff --git a/docs/img/interactive_session_workspace_blender.png b/docs/img/interactive_session_workspace_blender.png
diff --git a/docs/img/paraview_interactive_roihu.png b/docs/img/paraview_interactive_roihu.png
-Original file line number
+Diff line change
@@ Expand Up / @@ -10,7 +10,7 @@ catalog: @@
       available_on:
         - Puhti
         - Mahti
-        - Roihu-CPU
+        - Roihu
     ---
     # AMS-GUI
@@ Expand Down @@