academic 4.7.0, Hugo 0.65.3, C3SR seminar talk

content/talk/20200225c3sr/index.md

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+---
+title: Node-Aware Stencil Communication for Heterogeneous Supercomputers
+event: C3SR Bi-weekly Technical Seminar
+event_url:
+
+location: Coordinated Science Lab 216
+address:
+  street: 1308 W Main St
+  city: Urbana
+  region: IL
+  postcode: '61801'
+  country: United States
+
+summary: Optimizing Multi-GPU Stencil Communication
+abstract: "High-performance distributed computing systems increasingly feature nodes that have multiple CPU sockets and multiple GPUs. The communication bandwidth between these components is non-uniform. Furthermore, these systems can expose different communication capabilities between these components. For communication-heavy applications, optimally using these capabilities is challenging and essential for performance.
+
+This work presents approaches for automatic data placement and communication implementation for 3D stencil codes on multi-GPU nodes with non-homogeneous communication performance and capabilities. Benchmarking results in the Summit system show that choices in placement can result in a 20% improvements in single-node exchange, and communication specialization can yield a further 6x improvement in exchange time in a single node, and a 16% improvement at 1536 GPUs."
+
+# Talk start and end times.
+#   End time can optionally be hidden by prefixing the line with `#`.
+date: "2020-02-25T14:00:00Z"
+date_end: "2020-02-25T15:00:00Z"
+all_day: false
+
+# Schedule page publish date (NOT talk date).
+publishDate: "2017-01-01T00:00:00Z"
+
+authors: ["Carl Pearson"]
+tags: []
+
+# Is this a featured talk? (true/false)
+featured: true
+
+image:
+  caption: 'Image credit: [**Unsplash**](https://unsplash.com/photos/bzdhc5b3Bxs)'
+  focal_point: Right
+
+links:
+url_code: ""
+url_pdf: ""
+url_slides: ""
+url_video: ""
+
+# Markdown Slides (optional).
+#   Associate this talk with Markdown slides.
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+
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+projects:
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+
+# Enable math on this page?
+math: true
+---