Table 2, Test bed details – Dell PowerEdge R820 User Manual

Page 10

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Performance Analysis of HPC Applications on Several Dell PowerEdge 12

th

Generation Servers

10

Test bed details

Table 2.

Component

PowerEdge M420
Cluster

PowerEdge M620
Cluster

PowerEdge R820
Cluster

Server
Configuration

PowerEdge M420 blade
server (32) in a
PowerEdge M1000e
chassis

PowerEdge M620 blade
server (16) in a
PowerEdge M1000e
chassis

PowerEdge R820 rack
server (4)

Architecture

Sandy Bridge EN

Sandy Bridge EP

Sandy Bridge EP – 4S

Processor

Dual Intel Xeon
E5-2470 @ 2.3GHz

Dual Intel Xeon
E5-2680 @ 2.7GHz

Quad Intel Xeon
E5-4650 @ 2.7GHz

Memory

6 * 8GB @ 1600MT/s

8 * 8GB @ 1600 MT/s

16 * 8GB @ 1600 MT/s

Memory
Configuration

1 DIMM Per Channel at 1600 MHz

InfiniBand

Mellanox ConnectX-3
FDR10
Two Mellanox M4001T
FDR10 IO modules for
the PowerEdge M1000e
blade chassis

Mellanox ConnectX-3 FDR
Mellanox M4001F FDR IO
module for the
PowerEdge M1000e blade
chassis

Mellanox ConnectX-3
FDR
Mellanox FDR rack
switch SX6036

Cluster Size

32 Servers, 512 Cores

16 Servers, 256 Cores

4 Servers, 128 Cores

Turbo bins [4]
(100 MHz)

+5 (when 8 cores active)

+4 (when 8 cores active)

+2 (when 8 cores
active)

Disk

1*50GB SSD

1*146GB 15K SAS

1*146GB 15K SAS

Disk Controller

PERC H310

BIOS

1.2.4

1.1.2

1.1.5

iDRAC

1.20.20 (Build 24)

1.06.06 (Build 15)

1.20.20 (Build 24)

OFED

Mellanox OFED 1.5.3-3.0.0

OS

RHEL 6.2 - 2.6.32-220.el6.x86_64

Even though the absolute memory configurations appear differently, all servers contain a balanced one
DIMM per channel configuration running at a memory speed of 1600 MT/s. For the PowerEdge R820 and
PowerEdge M620 cluster, the amount of memory per core is also identical.

The Intel Xeon processor E5-2680 on the PowerEdge M620 is the highest bin 130W part available in that
product family. The Intel Xeon processor E5-4650 is the highest bin processor available in the EP 4
socket product family and the Intel Xeon processor E5-2470 is the highest bin processor available in the
EN product family which supports 8 GT/s QPI speed and 1600 MT/s memory.

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