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New Cineca Tier-0 Marconi

Marconi

Carlo Cavazzoni

Cineca

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2016 2017 2018 2019 2020

Marconi A1

2.5PFlops . 0.7Mwatt

Marconi A2

11PFlops. 1.3MWatt

Alpha

Commit Wins Volume Beta

Fermi

2PFlops . 0.8Mwatt

Galileo & PICO 1.2PFlops . 0.4Mwatt

11PFlops. 1.3MWatt

Marconi A3 7PFlops. 1.0Mwatt

Sistem a50PFlops. 3.2 Mwatt

2.4Mwatt 2.3Mwatt 2.3Mwatt 3.2Mwatt 1.2Mwatt

50 rack 120 rack 120 rack 120 rack 150 rack

100mq 240mq 240mq 240mq 300mq

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Energy trends

“traditional” RISK and CISC

chips are designed for maximum performance for all possible

workloads

A lot of silicon to

maximize single thread performace

Compute Power Energy

Datacenter Capacity

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Change of paradigm

New chips designed for

maximum performance in a small set of workloads

Simple functional units, poor single thread

performance, but maximum throughput

Compute Power Energy

Datacenter Capacity

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High level system Characteristics

Partition Installation CPU # nodes # of Racks Power

A1 – Broadwell (2.1PFlops)

April 2016 E5-2697 v4 1512 25 700KW

A2 - Knight Landing (11 Pflops)

September 2016

KNL 3600 50 1300KW

Tender proposal

Pflops) A3 – Skylake (4.5PFlops)

June 2017 E5-2680 v5 1512 25 700KW

Network: Intel OmniPath

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Marconi - Compute

Partizione A1

1512 Lenovo NeXtScale Server -> 2PFlops processore Intel E5-2697 v4 Broadwell 18 cores @ 2.3GHz.

dual socket node: 36 core e 128GByte / nodo Partizione A2

3600 server Intel AdamPass -> 11PFlops

processore Intel PHI code name Knight Landing 68 cores @ 1.4GHz.

single socket node: 96GByte DDR4 + 16GByte MCDRAM Partizione A3

1512 Lenovo Stark Server -> 4.5PFlops processore Intel E5-2680v5 SkyLake 20 cores @ 2.??GHz

dual socket node: 40 core e 196GByte /nodo

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Marconi - Network

Network type: new Intel Omnipath

Largest Omnipath cluster of the world Network topology: Fat-tree

2:1 oversubscription

tapering at the level of the core switches only tapering at the level of the core switches only Core Switches: 5 x OPA Core Switch “Sawtooth Forest”

768 ports each

Hdge Switch: 216 OPA Edge Switch “Eldorado Forest”

48 ports each

Maximum system configuration:

5(opa) x 768(ports) x 2(tapering) -> 7680 servers

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5 x 768 ports core Switches

3x

6624 Compute nodes 216 x 48 ports Hedge Switches 32 downlink

32 nodes

fully interconnected island

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System layout

Riferimenti

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