Partial differential equations and image processing

A Chambolle - Proceedings of 1st International Conference on …, 1994 - ieeexplore.ieee.org
We review the PDE methods for image processing developed at the Ceremade, the
Universitat de Illes Balears, and the Universidad de Las Palmas de Gran Canaria. We first …

Japanese autotuning research: Autotuning languages and FFT

T Katagiri, D Takahashi - Proceedings of the IEEE, 2018 - ieeexplore.ieee.org
This paper introduces current research on automatic performance tuning, specifically in the
Japanese community, from two aspects. First, we discuss autotuning (AT) research from the …

Auto-tuning on NUMA and many-core environments with an FDM code

T Katagiri, S Ohshima… - 2017 IEEE International …, 2017 - ieeexplore.ieee.org
In this paper, we focus on auto-tuning (AT) performance on nonuniform memory access
(NUMA) and many-core architectures. Code from the finite difference method (FDM) is …

Directive-based auto-tuning for the finite difference method on the Xeon Phi

T Katagiri, S Ohshima… - 2015 IEEE International …, 2015 - ieeexplore.ieee.org
In this paper, we present a directive-based auto-tuning (AT) framework, called ppOpen-AT,
and demonstrate its effect using simulation code based on the Finite Difference Method …

Auto-tuning of computation kernels from an FDM Code with ppOpen-AT

T Katagiri, S Ohshima… - 2014 IEEE 8th …, 2014 - ieeexplore.ieee.org
In this paper, we propose an Auto-tuning (AT) function with an AT language for a dedicated
numerical library with respect to supercomputers in operation. The AT function is based on …

Implementation of D‐Spline‐Based Incremental Performance Parameter Estimation Method with ppOpen‐AT

T Tanaka, R Otsuka, A Fujii, T Katagiri… - Scientific …, 2014 - Wiley Online Library
In automatic performance tuning (AT), a primary aim is to optimize performance parameters
that are suitable for certain computational environments in ordinary mathematical libraries …

Early experiences for adaptation of auto-tuning by ppOpen-AT to an explicit method

T Katagiri, S Ito, S Ohshima - 2013 IEEE 7th International …, 2013 - ieeexplore.ieee.org
We present a code optimization technique by adapting an auto-tuning (AT) function to an
explicit method with the static code generator FIBER. The AT function is evaluated with …

A KVM virtual machine memory forensics method based on VMCS

S Zhang, L Wang, X Han - 2014 Tenth International Conference …, 2014 - ieeexplore.ieee.org
As the use of virtual machine environments increases, virtual machines forensics is
becoming more and more important and emergent. Current forensics solutions to virtualized …

Auto-tuning of hybrid MPI/OpenMP execution with code selection by ppOpen-AT

T Katagiri, M Matsumoto… - 2016 IEEE International …, 2016 - ieeexplore.ieee.org
In this paper, we propose an effective kernel implementation for an application of the finite
difference method (FDM) by merging computations of central-difference and explicit time …

ppOpen-AT: A Directive-base Auto-tuning Language

T Katagiri - arXiv preprint arXiv:2408.16607, 2024 - arxiv.org
ppOpen-AT is a domain-specific language designed to ease the workload for developers
creating libraries with auto-tuning (AT) capabilities. It consists of a set of directives that allow …