Euler

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Introduction

Euler stands for Erweiterbarer, Umweltfreundlicher, Leistungsfähiger ETH-Rechner. It is an evolution of the Brutus concept. Euler also incorporates new ideas from the Academic Compute Cloud project in 2012–2013 as well as the Calculus prototype in 2013.

Euler II (left) and Euler I (right)

Euler has been regularly expanded since its conception in 2013. The first phase — Euler I — was purchased at the end of 2013 and is in operation since the beginning of 2014. The second phase — Euler II — was purchased at the end of 2014 and is in operation since the beginning of 2015, with additional compute nodes added at the end of 2015. The third phase — Euler III — has just been ordered and is expected to be operational at the beginning of 2017.

Specifications

Euler I

Euler I contains 448 compute nodes — Hewlett-Packard BL460c Gen8 —, each equipped with:

  • Two 12-core Intel Xeon E5-2697v2 processors (2.7 GHz nominal, 3.0–3.5 GHz peak)
  • Between 64 and 256 GB of DDR3 memory clocked at 1866 MHz (64 × 256 GB; 32 × 128 GB; 352 × 64 GB).

Euler II

Euler II contains 768 compute nodes of a newer generation — BL460c Gen9 —, each equipped with:

  • Two 12-core Intel Xeon E5-2680v3 processors (2.5-3.3 GHz)
  • Between 64 and 512 GB of DDR4 memory clocked at 2133 MHz (32 × 512 GB; 32 × 256 GB; 32 × 128 GB; 672 × 64 GB).

Euler II also contains 4 very large memory nodes — Hewlett-Packard DL580 Gen9 —, each equipped with:

Euler III

Euler III will consist of 1215 compute nodes — Hewlett-Packard m710x —, each equipped with:

  • A quad-core Intel Xeon E3-1285Lv5 processor (3.0-3.7 GHz)
  • 32 GB of DDR4 memory clocked at 2133 MHz
  • A 256 GB NVMe flash drive

All these nodes are connected to the rest of the cluster via 10G/40G Ethernet.

Storage

Euler contains two storage system:

  • An enterprise-class NAS system (NetApp FAS3250 and FAS8080EX) for long-term storage, such as home directories, applications, virtual machines, project data, etc.
  • A high-performance parallel file system (Panasas PAS14) for short- and medium-term storage, such as scratch and work file systems

Networks

Euler contains two types of networks:

  • A common 10 Gb/s Ethernet network for data transfer between the storage systems and the cluster's compute and login nodes
  • Three separate 56 Gb/s InfiniBand FDR networks for data transfer between the compute nodes themselves (e.g. MPI)

External Links