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Graph-Partition–Ba Sed Scheduling Policy For Heterogeneous Architectures.pdf

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Preview of Graph-Partition–Ba sed Scheduling Policy for Heterogeneous Architectures
🔗 Source: www4.cs.fau.de
📊 Size: 166 KB
📄 Pages: 6 pages
⬇️ Downloads: 49

Summary

Heterogeneous architectures often consist of multi-core processors and GPUs, presenting challenges in task scheduling due to distributed memory.

Key Points:

- Data-Flow Programming Model: Programmers define tasks as directed acyclic graphs (DAGs) consisting of kernels with data dependencies. This model simplifies programming for heterogeneous platforms.
- Scheduling Policy: The proposed policy partitions the task graph and schedules kernels to processors based on performance characteristics and data consistency requirements.
- Contributions:
1. A graph-based scheduler for data-flow programming on heterogeneous architectures.
2. Comparison with queue-based schedulers for large graph-structured applications.
3. Demonstrates optimal performance and reduced data transfer frequency in certain cases.

Design and Implementation:

1. Interface and Scheduler Requirements: The system provides an interface for expressing task graphs and must guarantee data consistency across processors with discrete memory nodes.
2. Implementation Tools: StarPU, METIS, and DOT are utilized to build the scheduling framework. StarPU offers a unified runtime for heterogeneous architectures and supports data-flow programming.
3. Scheduler Behavior: The scheduler aims to exploit graph information, dispatch kernels to suitable processors, maintain load balancing, and minimize data transfers across the PCI-e bus.
4. Performance Acquisition: Offline measurements are used to gather kernel performance data for each processor, aiding in efficient scheduling decisions.
5. Display and Configuration: Results from the graph-partition policy should be easily interpretable, and the system facilitates batch configuration of kernels to simplify programmer workload.

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Description

By abstracting task dependencies, it simplifies programming while addressing hardware mapping challenges. Experiments validate its effectiveness.

Technical Information

  • File Format: PDF
  • File Size: 166 KB
  • Pages: 6
  • Language: EN
  • Total Downloads: 49
  • Last Updated: 2 hours ago

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This PDF document about Graph-Partition–Ba sed Scheduling Policy for Heterogeneous Architectures provides comprehensive information and guidance. Whether you're a beginner or advanced user, this resource offers valuable insights into Graph-Partition–Ba sed Scheduling Policy for Heterogeneous Architectures.

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Graph-Partition–Ba guideGraph-Partition–Ba tutorialScheduling guideScheduling tutorialPolicy guidePolicy tutorialHeterogeneous guideHeterogeneous tutorialArchitectures guideArchitectures tutorial

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