Shared Memory Parallelization on NEC supercomputers

07.11.01


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Inhaltsverzeichnis

Shared Memory Parallelization on NEC supercomputers

Overview

Levels of Parallelism

Parallelization on NEC SX Systems

OpenMP

OpenMP usage

Microtasking

Microtasking: Step by Step

Microtasking: Task Creation

Microtasking: Task Creation (2)

Typical situations

Typical situations

Microtasking: PARDO FOR

Microtasking: PARDO BY

Microtasking: PARDO barrier

Microtasking: Critical Section

Microtasking: Serial Section

General Remark: Reduction

Microtasking: Other Directives

Typical situations

Autotasking: concept

Autotasking: concept (2)

Autotasking Example: Threshold Test

Autotasking Example: Reduction

Autotasking: Inner Loops

Autotasking: Concurrent Subr. Calls

Typical situations

Autotasking: fopp Directives

Macrotasking

Macrotasking: PTFORK, PTJOIN

Macrotask Synchronization: LOCK

Macrotask Synchronization: BARRIER

Macrotask Signalling: EVENTS

Other Macrotasking Intrinsics

Macrotasking: Remarks

Multitasking Memory Management

Questions?

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