API related related stories

Leveraging asynchronous queues for concurrent execution

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GPUOpen has posted a new entry "Leveraging asynchronous queues for concurrent execution." Understanding concurrency (and what breaks it) is extremely important when optimizing for modern GPUs. Modern APIs like Vulkan provide the ability to schedule tasks asynchronously, which can enable higher GPU utilization with relatively little effort.

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Amazon EC2 Elastic GPUs support OpenGL

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Amazon EC2 users will soon have the ability to add OpenGL acceleration to existing EC2 instance types. Amazon-optimized OpenGL library will automatically detect and make use of Elastic GPUs. Amazon will start out with Windows support for OpenGL, and plan to add support for the Amazon Linux AMI and other versions of OpenGL after that. The GPU added to the instance can have 1, 2, 4, or 8 gigabytes of video memory. It’s becoming much easier to use OpenGL from GPUs in the cloud.

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NVIDIA GTX 680 To GTX 1080 Blender OpenCL Benchmarks

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Phoronix has published benchmarks of 13 Kepler/Maxwell/Pascal NVIDIA GeForce graphics cards when testing Blender 2.78's OpenCL renderer. Unfortunately, no AMD OpenCL benchmarks for Blender yet -- the current open-source stack doesn't work until ROCm OpenCL support comes into play and the AMDGPU-PRO stack wasn't working for Blender OpenCL but was falling back to CPU rendering. Read the complete article.

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Vulkan Renderer In The Works For A PlayStation Emulator

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The LibRetro crew is now working on a Vulkan renderer for a PlayStation One emulator. They have a Vulkan renderer working for the Beetle PSX, but the code hasn't been published yet. In the past few days the LibRetro crew uploaded some YouTube videos showing the Vulkan-renderered PlayStation One emulator in action.

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Vulkan, OpenGL ES, EGL, and OpenCL API Trace and Debug Tool

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The Mali Graphics Debugger allows developers to trace Vulkan (1.0), OpenGL ES (1.x, 2.x, and 3.x), EGL (1.4), and OpenCL (1.x) API calls in their application and understand frame-by-frame the effect on the application to help identify possible issues.

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Codeplay helping bridge the gap on RISC-V with OpenCL and SYCL

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Codeplay helping ensure software developers are correctly equipped to host their software applications on RISC-V. Codeplay is working extensively with machine learning solutions such as Google with TensorFlow to bridge the gap on RISC-V with OpenCL and SYCL open standards.

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S2C announces development of new Arria 10 Prodigy FPGA Prototyping Logic Modules supporting OpenCL

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S2C Inc. has announced the development of a new family of Arria 10 Prodigy FPGA Prototyping Logic Modules based on Altera's Arria 10 1150GX FPGA. The Arria 10 Prodigy Logic Module includes compatibility with Altera's Software Development Kit (SDK) for OpenCL allowing easy implementation for HPC applications.

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OpenCL training from Acceleware

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Acceleware has updated their courses for GPU and Altera FPGAs. You may find a complete listing of all upcoming training on their website.

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Vulkan barriers explained

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AMD post from October explaining Vulkan's Barrier system. Vulkan’s barrier system is unique as it not only requires you to provide what resources are transitioning, but also specify a source and destination pipeline stage. This allows for more fine-grained control of when a transition is executed. However, you can also leave quite some performance on the table if you just use the simple way, so today we’re going to look at vkCmdPipelineBarrier in detail.

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OpenVX-Based Python Framework for Real-time Cross-Platform Acceleration

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Neuro-Biomorphic Engineering Lab, Faculty of Engineering, Jerusalem College of Technology, Jerusalem, Israel has posted on Github their OpenVX based PyOpenVX library - PythonOpenVX. Included is a complete article and discussion outlining how to use this framework.

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