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Narval/en: Difference between revisions
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In practice the Narval racks contain islands of 48 or 56 regular CPU nodes. It is therefore possible to run parallel jobs using up to 3584 cores with a non-blocking network. For larger jobs or ones which are distributed in a fragmented manner across the network, the blocking factor is 4.7:1. The inter-connect remains a high-performance one nonetheless. | In practice the Narval racks contain islands of 48 or 56 regular CPU nodes. It is therefore possible to run parallel jobs using up to 3584 cores with a non-blocking network. For larger jobs or ones which are distributed in a fragmented manner across the network, the blocking factor is 4.7:1. The inter-connect remains a high-performance one nonetheless. | ||
=Node characteristics= | =Node characteristics= | ||
{| class="wikitable sortable" | {| class="wikitable sortable" | ||
! nodes !! cores !! available memory !! CPU !! storage !! GPU | ! nodes !! cores !! available memory !! CPU !! storage !! GPU | ||
|- | |- | ||
| | | 1145 || rowspan="3"|64 || 249G or 255000M || rowspan="2"|2 x AMD Rome 7532 @ 2.40 GHz 256M cache L3 || rowspan="3"|1 x 960G SSD || rowspan="3"|- | ||
|- | |- | ||
| 33 || 2009G or 2057500M | | 33 || 2009G or 2057500M | ||
| Line 73: | Line 72: | ||
| 159 || 48 || 498G or 510000M || 2 x AMD Milan 7413 @ 2.65 GHz 128M cache L3 || 1 x SSD of 3.84 TB || 4 x NVidia A100 (40 GB memory) | | 159 || 48 || 498G or 510000M || 2 x AMD Milan 7413 @ 2.65 GHz 128M cache L3 || 1 x SSD of 3.84 TB || 4 x NVidia A100 (40 GB memory) | ||
|} | |} | ||
=AMD processors= | =AMD processors= | ||