10-15 March 2019
Steinmatte conference center
Europe/Zurich timezone

Numerical multi-loop integration on heterogeneous many-core processors

11 Mar 2019, 15:50
20m
Steinmatte Room C

Steinmatte Room C

Oral Track 3: Computations in Theoretical Physics: Techniques and Methods Track 3: Computations in Theoretical Physics: Techniques and Methods

Speaker

Dr Elise de Doncker (Western Michigan University)

Description

We report on multi-loop integral computations executed on a
PEZY/Exascaler large-scale (immersion cooling) computing system.
The programming model requires a host program written in C++
with an OpenCL kernel. However the kernel can be generated by
the Goose compiler interface, which allows parallelizing loops
according to compiler directives. As an advantage, the executable
derived from a program instrumented with Goose pragmas can be
run on multiple devices and multiple nodes without changes to
the program. We use lattice rules and lattice copy (composite)
rules on PEZY to approximate integrals for multi-loop self-energy
diagrams with and without masses.

Primary authors

Dr Elise de Doncker (Western Michigan University) Mr Ahmed Almulihi (Western Michigan University) Dr Fukuko Yuasa (High Energy Accelerator Research Organization (KEK)) Dr Naohito Nakasato (University of Aizu) Dr Hiroshi Daisaka (Hitotsubashi University ) Dr Tadashi Ishikawa (High Energy Accelerator Research Organization (KEK))

Presentation materials

Peer reviewing

Paper