Dec, 4

Computing OpenSURF on OpenCL and General Purpose GPU

Speeded-Up Robust Feature (SURF) algorithm is widely used for image feature detecting and matching in computer vision area. Open Computing Language (OpenCL) is a framework for writing programs that execute across heterogeneous platforms consisting of CPUs, GPUs, and other processors. This paper introduces how to implement an open-sourced SURF program, namely OpenSURF, on general purpose […]
Dec, 4

Exploiting Heterogeneous Systems: Keccak on OpenCL

Using graphics processing units (GPUs) in high-performance parallel computing continues to become more prevalent, often as part of a heterogeneous system. CUDA and OpenCL are APIs and enables programmers to developer GPGPU applications and softwares to massively parallel processors. In October 2, 2012, NIST announced the winner of its five-year competition to select a new […]
Nov, 26

Enabling OpenCL on a Configurable, VLIW Chip-Multiprocessor

The slow-down in Moore’s law and an ever increasing computation requirements in the scientific, as well as consumer, domains has required a shift in computer system architectures and subsequent programming paradigms. In the last decade we have moved from single-core CPUs, to multicore system-on-chips (SoCs), with the use many-core accelerators becoming more commonplace. This new […]
Nov, 20

International Workshop on OpenCL, IWOCL 2014

The International Workshop on OpenCL (IWOCL) is an annual meeting of OpenCL users, researchers, developers and suppliers to share OpenCL best practise, and to promote the evolution and advancement of the OpenCL standard. The meeting is open to anyone who is interested in contributing to, and participating in the OpenCL community. IWOCL is the premier […]
Nov, 16

A Methodology for Translating C-Programs to OpenCL

Graphics Processing Units (GPUs) is currently a common feature of high performance computing. Languages such as CUDA and Open Computing Language (OpenCL) are such programming models; provide a standard interface for achieving high performance across these GPU devices. However, because of the wide variety of architectural complexities of these GPU devices; often makes difficult to […]
Nov, 10

Optimization of real-time ultrasound PCIe data streaming and OpenCL processing for SAFT imaging

Our goal is to develop a complete ultrasound platform based on real-time SAFT (Synthetic Aperture Focusing Technique) GPU processing. We are planning to integrate all the ultrasound modules and processing resources (GPU) in a single rack enclosure with the PCIe switch fabric backplane. The first developed module (RX64) provides acquisition and streaming of 64 ultrasound […]
Oct, 30

Analysis of Parallel Sorting Algorithms on Heterogeneous Processors with OpenCL

The heterogeneous computing platform with the tremendous raw capacity can be easily constructed with the availability of multi-core processors, high capacitive FPGAs and GPUs which can include any number of these computing units. However, challenge faced until now was the lack of a standardized framework under which the computational tasks and data of applications could […]
Oct, 29

High-performance Dynamic Programming on FPGAs with OpenCL

Field programmable gate arrays (FPGAs) provide reconfigurable computing fabrics that can be tailored to a wide range of time and power sensitive applications. Traditionally, programming FPGAs required an expertise in complex hardware description languages (HDLs) or proprietary high-level synthesis (HLS) tools. Recently, Altera released the worlds first OpenCL conformant SDK for FPGAs. OpenCL is an […]
Oct, 21

QCDGPU: open-source package for Monte Carlo lattice simulations on OpenCL-compatible multi-GPU systems

The multi-GPU open-source package QCDGPU for lattice Monte Carlo simulations of pure SU(N) gluodynamics in external magnetic field at finite temperature and O(N) model is developed. The code is implemented in OpenCL, tested on AMD and NVIDIA GPUs, AMD and Intel CPUs and may run on other OpenCL-compatible devices. The package contains minimal external library […]
Oct, 21

An OpenCL-based Implementation of H.264 Encoder

We present an accelerated implementation of high-speed video stream encoder for the H.264 digital video codec standard. Based on the parallel processing techniques with GPU’s, we used an OpenCL-based GPU kernel programs. We achieved a high-level CPU-GPU interoperability, through making CPU perform all input/output operations and overall stream control, while GPU does the core encoding […]
Oct, 19

Efficient fine grained shared buffer management for multiple OpenCL devices

OpenCL programming provides full code portability between different hardware platforms, and can serve as a good programming candidate for heterogeneous systems, which typically consist of a host processor and several accelerators. However, to make full use of the computing capacity of such a system, programmers are requested to manage diverse OpenCL-enabled devices explicitly, including distributing […]
Oct, 13

Characterizing the Challenges and Evaluating the Efficacy of a CUDA-to-OpenCL Translator

The proliferation of heterogeneous computing systems has led to increased interest in parallel architectures and their associated programming models. One of the most promising models for heterogeneous computing is the accelerator model, and one of the most cost-effective, high-performance accelerators currently available is the general-purpose, graphics processing unit (GPU). Two similar programming environments have been […]
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