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Cedar: Difference between revisions
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====Node types and characteristics:==== <!--T:6--> | ====Node types and characteristics:==== <!--T:6--> | ||
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Cedar will have a total of 27,696 CPU cores for computation, and 584 GPU devices. Total theoretical peak double precision performance is 936 tetaflops for CPUs, plus 2,744 for GPUs, yielding over 3.6 petaflops of theoretical peak double precision performance. 22 fully connected "islands" of 32 base or large nodes will each have 1024 cores in a fully non-blocking topology, with each island expected to yield over 30 teraflops of measured double precision performance (measured with high performance LINPACK). | Cedar will have a total of 27,696 CPU cores for computation, and 584 GPU devices. Total theoretical peak double precision performance is 936 tetaflops for CPUs, plus 2,744 for GPUs, yielding over 3.6 petaflops of theoretical peak double precision performance. 22 fully connected "islands" of 32 base or large nodes will each have 1024 cores in a fully non-blocking topology, with each island expected to yield over 30 teraflops of measured double precision performance (measured with high performance LINPACK). | ||
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All of the above nodes will have local (on-node) temporary storage. GPU nodes will have a single 800GB SSD drive. All other compute nodes will have dual 480GB SSD drives, for a total raw capacity of 9960GB. | All of the above nodes will have local (on-node) temporary storage. GPU nodes will have a single 800GB SSD drive. All other compute nodes will have dual 480GB SSD drives, for a total raw capacity of 9960GB. | ||
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Temporary storage is a Lustre filesystem based on DDN model ES14K technology. It includes 640 8TB NL-SAS disk drives, and dual redundant metadata controllers with SSD-based storage. | Temporary storage is a Lustre filesystem based on DDN model ES14K technology. It includes 640 8TB NL-SAS disk drives, and dual redundant metadata controllers with SSD-based storage. | ||