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Booster

DCGP

Model

Atos BullSequana X2135 "Da Vinci" single-node GPU blade

Atos BullSequana X2140 three-node CPU blade

Racks

116
22

Nodes

3456

1536

Processors

single socket 32 cores Intel Ice Lake CPU

1 x Intel Xeon Platinum 8358, 2.60GHz  TDP 250W

dual socket 56 cores Intel Sapphire Rapids CPU

2 x Intel Xeon Platinum 8480p, 2.00 GHz TDP 350W

Accelerators

4 x NVIDIA Ampere GPUs/node, 64GB HBM2e

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Cores

32 cores/node

112 cores/node

RAM

512 (8x64) GB DDR4 3200 MHz

512 (16 x 32) GB DDR5 4800 MHz

Peak Performance

about 309 Pflop/s

9 Pflops/s


Internal Network

DragonFly+ 200 Gbps (NVIDIA Mellanox Infiniband HDR) 

2 x dual port HDR100 per node

 single port HDR100 per node

Disk SpaceStorage
(raw capacity)

137.6 PB Large capacity storage, 620 GB/s based on DDN ES7990X and Hard Drive Disks (Capacity Tier)
5.7 PB of High performance storage, 1.4 TB/s based on DDN ES400NVX2 and Solid State Drives (Fast Tier) 







Peak performance details

Node Performance

Theoretical
Peak
Performance

CPU (nominal/peak freq.)1680 Gflops
GPU75000 Gflops
Total76680 GFlops
Memory Bandwidth (nominal/peak freq.)24.4 GB/s

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