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Posts

Dec, 10

Acceleration of Cellular Automata through Parallel Computing with OpenCL

Cellular Automata (CA) have its origins in the work of Von Neumann and, since then, have become an important research topic with a wide range of applications, ranging from DNA sequencing to ecological dynamics. One aspect that may be of interest during a CA simulation is the evolution in the number of individuals of each […]
Dec, 10

FPGA-Accelerated Image Processing Using High Level Synthesis with OpenCL

High Level Synthesis (HLS) is a new method for developing applications for use on FPGAs. Instead of the classic approach using a Hardware Descriptive Language (HDL), a high level programming language can be used. HLS has many perks, including high level debugging and simulation of the system being developed. This shortens the development time which […]
Nov, 30

Qualcomm Snapdragon Mobile Platform OpenCL General Programming and Optimization

This document intends to provide a detailed guidance on how to optimize OpenCL programs with Adreno GPUs. A good amount of information has been provided to help developers understand the OpenCL fundamentals and Adreno architectures, and most importantly, master OpenCL optimization techniques. OpenCL optimization is often challenging and requires a lot of trial and error. […]
Nov, 30

Intel FPGA SDK for OpenCL

The Intel FPGA SDK for OpenCL Programming Guide provides descriptions, recommendations and usage information on the Intel Software Development Kit (SDK) for OpenCL compiler and tools. The Intel FPGA SDK for OpenCL is an OpenCL-based heterogeneous parallel programming environment for Intel FPGA products.
Nov, 26

High Performance Streaming Smith-Waterman Implementation with Implicit Synchronization on Intel FPGA using OpenCL

The Smith-Waterman algorithm is widely used in bioinformatics and is often used as a benchmark of FPGA performance. Here we present our highly optimized SmithWaterman implementation on Intel FPGAs using OpenCL. Our implementation is both faster and more efficient than other current Smith-Waterman implementations, obtaining a theoretical performance of 214 GCUPS. Moreover, due to the […]
Nov, 21

Compiling and Optimizing OpenMP 4.X Programs to OpenCL and SPIR

Given their massively parallel computing capabilities heterogeneous architectures comprised of CPUs and accelerators have been increasingly used to speed-up scientific and engineering applications. Nevertheless, programming such architectures is a challenging task for most non-expert programmers as typical accelerator programming languages (e.g. CUDA and OpenCL) demand a thoroughly understanding of the underlying hardware to enable an […]
Nov, 16

Launch-time Optimization of OpenCL Kernels

OpenCL kernels are compiled first before kernel arguments and launch geometry are provided later at launch time. Although some of these values remain constant during execution, the compiler is unable to optimize for them since it has no access to them. We propose and implement a novel approach that identifies such arguments, geometry, and optimizations […]
Oct, 31

PCIeHLS: an OpenCL HLS framework

One of the goals of high level synthesis (HLS) is to make designing hardware accelerators running on FPGAs accessible to developers with a software background (usually implying developers with little foundations in hardware design). While high level synthesis generates accelerator kernels, it generally does not assist with integrating the generated kernels into a system. In […]
Oct, 15

Accelerating Genomics Research with OpenCL and FPGAs

With the rapid decrease in gene sequencing costs due to the emergence of second-generation sequencing equipment, the availability of genome sequence data is increasing dramatically. The ability to correlate the variations among genomes is enabling advances in a wide range of medical research and personalized care. Because each human genome comprises more than three billion […]
Oct, 15

Flexible FPGA design for FDTD using OpenCL

Compared to classical HDL designs, generating FPGA with high-level synthesis from an OpenCL specification promises easier exploration of different design alternatives and, through ready-to-use infrastructure and common abstractions for host and memory interfaces, easier portability between different FPGA families. In this work, we evaluate the extent of this promise. To this end, we present a […]
Sep, 28

6th International Workshop on OpenCL (IWOCL), 2018

The International Workshop on OpenCL (IWOCL) is the 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. Submissions related to any […]
Sep, 28

OpenCL Actors – Adding Data Parallelism to Actor-based Programming with CAF

The actor model of computation has been designed for a seamless support of concurrency and distribution. However, it remains unspecific about data parallel program flows, while available processing power of modern many core hardware such as graphics processing units (GPUs) or coprocessors increases the relevance of data parallelism for general-purpose computation. In this work, we […]
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