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# Release Notes for Ocula 4.0v5

# Release Date

February 2018

## Minimum System Requirements

• A version of Nuke 11.1 on:

• macOS 10.12 (Sierra) and macOS 10.13 (High Sierra)

• Windows 7 or Windows 10 (64-bit)

• Linux CentOS 6 or CentOS 7 (64-bit)

## Requirements for Nuke's GPU Acceleration

If you want to enable Ocula to calculate certain nodes using the GPU, there are some additional requirements.

#### NVIDIA

• an NVIDIA GPU with compute capability 2.0 (Fermi) or above. A list of the compute capabilities of NVIDIA GPUs is available at www.nvidia.co.uk/object/cuda_gpus_uk.html.

Note: The compute capability is a property of the GPU hardware and can't be altered by a software update.

With graphics drivers capable of running CUDA 8.0 & 6.5 or above.

• On Windows and Linux, CUDA graphics drivers are bundled with the regular drivers for your NVIDIA GPU. Driver version r361 or above is required.

Go to http://www.nvidia.com/Download/Find.aspx?lang=en-us for more information.

• On Mac, the CUDA driver is separate from the NVIDIA graphics driver and must be installed, if you don't have it already. The minimum requirement is driver version r361 which can be downloaded from www.nvidia.com/drivers.

Note: We recommend using the latest graphics drivers, where possible, regardless of operating system.

#### AMD

• On Windows and Linux, an AMD GPU and driver from the following list:

Windows GPU | Driver | Linux GPU | Driver
--- | --- | --- | ---
AMD FirePro W8100 | 17.Q2.1 | AMD FirePro W8100 | 17.Q2.1
AMD FirePro W9100 | 17.Q2.1 | AMD FirePro W9100 | 17.Q2.1
AMD Radeon R9 Fury X | 17.4.3 - 17.6.2 | AMD Radeon R9 Fury X | 17.10
AMD Radeon RX 480 | 17.Q2.1 | AMD Radeon RX 480 | 17.Q2.1
AMD Radeon Pro WX 7100 | 17.4.3 - 17.6.2 | AMD Radeon Pro WX 7100 | 17.10

Note: Other AMD GPUs may work, but have not been fully tested.

• On Mac an AMD FirePro GPU on late 2013 Mac Pro 6,1, mid 2015 MacBook Pro 11,5, and late 2016 MacBook Pro 13,3, running OS X 10.9.3 'Mavericks', or later (see below and the Blink API documentation for caveats on CPU/GPU result consistency on Mac Pros).

### Mac GPUs

Nuke supports GPU-enabled nodes on the late 2013 Mac Pro 6,1, mid 2015 MacBook Pro 11,5, and late 2016 MacBook Pro 13,3, (running OS X 10.9.3 'Mavericks', or later), including a new Enable multi-GPU support option. When enabled in the preferences, GPU processing is shared between the available GPUs for extra processing speed.

Note: To ensure you get the best performance from OpenCL GPUs, we recommend updating Mavericks to 10.9.5, or above for full functionality. However:

If you're running an earlier version of Mac OS X than 10.9.5 and processing images greater than 4 mega pixels resolution, VectorGenerator, Kronos, and MotionBlur do not support GPU acceleration.

If you're running an earlier version of Mac OS X than 10.9.4, Kronos and MotionBlur do not support GPU acceleration.

# New Features and Enhancements

This release of Ocula is exclusively for Nuke 11.1 for all platforms. The functionality of all nodes remains the same as previous releases of Ocula, which should still be used for older releases of Nuke.

# Bug Fixes

There are no bug fixes in this release.

# Known Issues and Workarounds

• ID 46951 - Late 2013 Mac Pros only: When enabled in Nuke's Preferences, all Ocula nodes indicate that 2 GPUs are in use in their properties, when in fact, Ocula nodes only employ 1 GPU at a time.

• ID 43090 - Ocula's ReviewGizmos and Toolsets require standard left and right views to operate correctly.

• ID 42742 - O_Solver: Deleting or manipulating feature matches does not currently create an undo stack.

• ID 42324 - O_Solver: The Viewer doesn't update after enabling downstream nodes with postage stamps enabled.

• ID 41952 - O_Solver: The Preview Alignment overlay is not displayed until you mouse-over the Viewer.