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1. Jun 04, 2018 OpenCL™ (Open Computing Language) is an open standard for cross-platform, programming of modern highly-parallel processor architectures. Introduced with OS X v10.6, OpenCL consists of a C99-based programming language designed for parallelism, a powerful scheduling API, and a flexible runtime that executes kernels on the CPU or GPU.
2. I´ve tested OpenCL on macbook air 2011, which has a Core i5-2467M. And i can tell you that OpenCL implementation made by apple, DOES not work properly on CPU, just on GPU. The big problem is when you set a workgroup size greater than 1.
3. Hello, I am trying to get started with developing some OpenCL codes on a Mac Pro to take advantage of its dual GPUs for calculations (not rendering, just purely mathematical computations). I am following the OpenCL programming guide published by Apple, but ran into a problem with the compiler.
4. LuxMark is a OpenCL cross-platform benchmark tool. The idea for the program was conceived in 2009 by Jean-Francois 'Jromang' Romang. It was intended as a promotional tool for LuxCoreRender (to quote original Jromang's words: 'LuxRender propaganda with OpenCL'). The idea was quite simple, wrap SLG inside an easy to use graphical user interface and use it as a benchmark for OpenCL.

1 – GpuTest 0.7.0 Downloads

Windows 64-bit (XP, Vista, 7, 8, 10) Mac OS X 10.7, 10.8, 10.9, 10.10 Linux 64-bit (Ubuntu-based, openSUSE)

2 – GpuTest 0.7.0 Release Highlights

This update of GpuTest is available with two new features. The first one is a new OpenGL benchmark that draws the popular Julia fractal in a GLSL pixel shader. The interesting thing is that the Julia fractal is available in two flavors: FP32 and FP64. The Julia FP32 (fp32 = single precision floating point) test should run on any OpenGL 2 or OpenGL 3 capable hardware. The Julia FP64 is limited to OpenGL 4.0 capable hardware and draws the Julia fractal using FP64 (fp64 = double precision floating point) variables. Some scores are available in this article.

On NVIDIA GPUs, the Julia FP64 test runs perfectly on all platforms (Windows, Linux and OS X 10.9). On AMD GPUs, the Julia FP64 test runs fine on Windows, has some trouble on Linux (tested with FGLRX drivers on Linux Mint 16), and does not work on OS X…

I didn’t tested the FP64 demo on Intel GPUs.

GpuTest 0.7.0, Julia FP64 OpenGL 4.0 test – GeForce GT 650M – Mac OS X 10.9

The second feature is the possibility to submit scores to an online GPU database. This database stores all possible (platform-dependent) GPU data (device IDs, clock speeds, temperature, drivers, etc.) as well as OpenGL and OpenCL information (extensions, version, etc.). This GPU database is also used by the latest GPU Caps Viewer.

Ranking / comparative tables will be available shortly!

GpuTest 0.7.0 comes with new textures to change a bit the look of the other 3D tests:

GpuTest 0.7.0, FurMark test

GpuTest 0.7.0, TessMark X32 test

GpuTest 0.7.0, GiMark test

For Linux users, an Python/Tkinter interface is available. To launch it, justr open a terminal in GpuTest folder and type:

Depending on the state of your distro, maybe you will need to install the python-tk package:

Do not hesitate to improve this interface and send me your work. I will add it in GpuTest (with your credits!).

GpuTest 0.7.0, Linux Python/tkinter GUI

In the Windows and Linux versions, I added the temperature graph when GPU core temperature sensor is available. The temperature graph can be displayed with the OSI (On Screen Info) checkbox or via the command line:

The temp graph is not available in benchmark mode for performance reasons.

Update (2014.04.25): for Linux users, here is an alternative front-end (gtk+/glade/python):
[download#397#image]
The front-end require GTK+ 3.10.

A forum is available HERE for feedbacks or bug-reports.

3 – GpuTest 0.7.0 Changelog

• added online score database.
• added temperature graph (OSI) when available.
• added new Julia FP64 fractal test (OpenGL 4.0).
• added new Julia FP32 fractal test (OpenGL 2.1 / 3.0).
• updated with latest 3d framework.

Reference

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