• OpenCL SDK for AMD EPYC and Hawaii architecture GPUs

    I am trying to setup a OpenCL environment for the following hardwares and operating system. CPU : AMD EPYC 7551P GPU : AMD FirePro S9150 (Hawaii) OS : CentOS 7.4   I've succesfully installed AMDGPU-PRO for th...
    last modified by ep-98d
  • Various CL faults with vega on windows...

    I have a 290X and vega64 in the same system, the v64 is the primary card, however in the context of openCL it's device '1', with the 290X being '0'. This is all running windows 10 pro 64 with the latest 18.3.4 drivers...
    last modified by paul17041993
  • Bug in AMD driver

    Hello community,   First, about me: I'm a student from Germany. I am studying Computational Engineering and I write GPU-accelerated numerical software.   With the current AMD Radeon 18.2.1 drivers, there ...
    last modified by robin.christ@gmx.de
  • OpenCL kernel timeout on Ubuntu 14.04 (Crimson Edition 15.12) of 300 to 400 seconds

    Heyho,   i have some kernel timeout of about 300 to 400 seconds on AMD GCN devices (HD 7750 and R9 Fury X) with Ubuntu 14.04 and Crimson Edition 15.12 driver (fglrx-core). Does anybody know if there is an known...
    last modified by smato2018
  • vector data types on AMD GPUs

    First of all hi to everyone!, I am physicist and I am currently developing a Monte Carlo code for particle transport using OpenCL.   My question is regarding the convenience of using vector data types (like floa...
    last modified by endoerner
  • Mesa OpenCL with RX Vega support for OpenSUSE Tumbleweed

    Some days ago, I successfully ran the Mesa-OpenCL on my OpenSUSE Tumbleweed. Because, an OpenSUSE Tumbleweed still doesn't provide new LLVM 6.0 needed to support RX VEGA on Mesa-OpenCL, I wrote small tutorial to do it...
    last modified by matszpk
  • Pass value from device to host during kernel execution

    I would like to print a progress bar for my OpenCL code during the kernel execution. My CUDA equivalent of this code was able to achieve this using pinned memory, I was trying to implement the same using CL_MEM_ALLOC_...
    last modified by FangQ
  • Cannot Get OpenCL on Linux to Work At All

    I have a Vega 56. I downloaded the 17.50 driver, and installed it using: amdgpu-pro-install --compute   # rpm -qa | grep amdgpu | sort amdgpu-core-17.50-543815.el7.noarch amdgpu-dkms-17.50-543815.el7.noarch ...
    last modified by powerload
  • Minimal OpenCL SDK in Vcpkg

    For those developing on Windows, I have submitted an OpenCL SDK package for Vcpkg, an invaluable tool for cross-platform developers living on Windows. The set of clMath libraries are also on the way. (clFFT and clBLAS...
    created by Meteorhead
  • OpenCL: How to allocate C++ vector in SVM memory?

    Hi,   How to allocate SVM memory and use it for a C++ vector? I guess vector.data() needs to be at SVM memory. Are atomic_svm_vector fine_svm_vector definitions in OpenCL C++ bindings something that helps to do ...
    last modified by sampie
  • clBuildProgram crashes with LLVM error

    Hey, i am trying to build a simple kernel (see attachments) to test some implementation of a random number generator. However calling into clBuildProgram everything crashes with the following error message:   LL...
    last modified by pangea
  • Double-precision atomic add support?

    Dear Forum, I'm wondering if currently (2018 March) any AMD GPU has hardware support for double-precision atomic addition in OpenCL. I'm not referring to the software solution where you can just emulate double-precis...
    last modified by biubiuty
  • Ubuntu + Vega: std::bad_alloc on libhsa-ext-finalize64 dynload

    Hi!   My setup: - Ubuntu 16.04 + RX Vega 56 (gfx900) - Driver: amdgpu-pro-17.50-511655 (installed with amdgpu-pro-install -y --opencl=rocm)   1. My app works Ok until it calls ocl_init() in CLEW. But when it...
    last modified by polarnick
  • amdgpu-pro with rocm: no SPIR for RX Vega?

    Hi!   My setup: - Ubuntu 16.04 + RX Vega 56 (gfx900) - Driver: amdgpu-pro-17.50-511655 (installed with amdgpu-pro-install -y --opencl=rocm)   clinfo shows Vega with OpenCL 1.2 support and without cl_khr_...
    last modified by polarnick
  • CL_DEVICE_TOPOLOGY_AMD Is Broken with Latest Drivers. Please Fix ASAP!

    With Radeon Software Adrenaline 17.12.2, calls to clGetDeviceInfo with CL_DEVICE_TOPOLOGY_AMD always return wrong results. You can easily see this with clinfo:   Device Topology: PCI[ B#0, D#0, F#1 ]   The...
    last modified by meriken
  • Optimal number of wave fronts for kernel

    My application runs a series of 7 kernels, and most of the time is taken by the 7th kernel. This kernel has 50% occupancy. Card is RX 470, 4GB.   For this 7th kernel, there are two settings: the first gives my...
    last modified by boxerab
  • Using AMDGPU-PRO (AMDOCL2) compiler under Mesa3D Clover OpenCL

    Hi. I wrote some stuff at end of the year. This is special version of Mesa3D Clover that allow to build OpenCL programs by using AMDGPU-PRO OpenCL compiler (even for RX VEGA). Because, builtin the OpenCL compiler in C...
    last modified by matszpk
  • SSL/TLS Cert expired for https://developer.amd.com on the 23.12.2017

    Also, the APP SDK 3.0 for Win fails installing with the error: Error 1606. Could not access network location http://amd-dev.wpengine.netdna-cdn.com/app-sdk/installers/APPSDKInstaller/
    last modified by techcf
  • Meta: not getting updates from this list anymore

    Last update was Nov. 9.  Any ideas why ?
    last modified by boxerab
  • Question about openCL support on the rx 550

    Hello, so i wanted to follow up on the message posted here: Re: Q: How can i get OpenCL on Ubuntu 16.04.2 to see the GPU RX550 as the second platform/adapter   It has been almost 2 months, and i have not seen a...
    last modified by motsu