Dell Inc. PowerEdge XR8720t (Intel Xeon 6766P-B) ssj_ops@100% = 149,416
Test Sponsor: Dell Inc. SPEC License #: 6573 Test Method: Single Node
Tested By: Dell Inc. Test Location: Round Rock, TX, USA Test Date: Apr 3, 2026
Hardware Availability: Mar-2026 Software Availability: Mar-2026 Publication: Apr 22, 2026
System Source: Single Supplier System Designation: Server Power Provisioning: Line-powered
Benchmark Results Summary
Target Load Actual Load ssj_ops
Target Actual
Calibration 1     151,713
Calibration 2     149,834
Calibration 3     149,787
ssj_ops@calibrated=149,811
100% 99.7% 149,811 149,416
90% 89.3% 134,830 133,810
80% 80.3% 119,849 120,268
70% 69.8% 104,868 104,612
60% 60.6% 89,886 90,834
50% 49.5% 74,905 74,179
40% 40.1% 59,924 60,004
30% 30.1% 44,943 45,073
20% 20.2% 29,962 30,200
10% 10.2% 14,981 15,258
Active Idle   0 0
Graph of results
System Under Test
Set: 'sut'
Set Identifier: sut
Set Description: System Under Test
# of Identical Nodes: 1
Comment: PowerEdge XR8720t
Hardware
Hardware Vendor: Dell Inc.
Model: PowerEdge XR8720t (Intel Xeon 6766P-B)
Form Factor: 2U
CPU Name: Intel Xeon 6766P-B
CPU Characteristics: 64 core, 2300 MHz, 256 MB L3 Cache, Max frequency 3500 MHz
CPU Frequency (MHz): 2300
CPU(s) Enabled: 64 cores, 1 chip, 64 cores/chip
Hardware Threads: 128 (2 / core)
CPU(s) Orderable: 1 chip
Primary Cache: 64 KB I + 48 KB D on chip per core
Secondary Cache: 2 MB I+D on chip per core
Tertiary Cache: 256 MB I+D on chip per chip
Other Cache: None
Memory Amount (GB): 256
# and size of DIMM: 8 x 32 GB
Memory Details: 32 GB 2Rx8 PC5-6400B-R, slots A1 A2 A3 A4 A5 A6 A7 A8 populated.
Power Supply Quantity and Rating (W): 1 x 1800
Power Supply Details: 1800W Titanium Efficiency (SKU: 450-BCXB)
Disk Drive: 1 x 960 GB NVMe M.2 SSD
Disk Controller: Integrated PCIe Controller
# and type of Network Interface Cards (NICs) Installed: 1 x Intel Ethernet Connection E825-C for SFP (rev 04)
NICs Enabled in Firmware / OS / Connected: 8/8/2
Network Speed (Mbit): 10000
Keyboard: None
Mouse: None
Monitor: None
Optical Drives: No
Other Hardware: None
Software
Power Management: Balanced power plan in OS (see SUT notes)
Operating System (OS): Red Hat Enterprise Linux 10.0 (Coughlan)
OS Version: 6.12.0-55.9.1.el10_0.x86_64
Filesystem: xfs
JVM Vendor: Oracle
JVM Version: Java HotSpot(TM) 64-Bit Server VM(build 17.0.11+7-LTS-207, mixed mode)
JVM Command-line Options: -server -Xms1024m -Xmx1024m -Xmn800m -XX:+UseParallelGC -XX:ParallelGCThreads=2 -XX:+UseLargePages -XX:LargePageSizeInBytes=2m -XX:+UseBiasedLocking -XX:InlineSmallCode=1500 -XX:UseAVX=1 -XX:AutoBoxCacheMax=20000 -XX:+OptimizeFill -XX:+AggressiveHeap
JVM Affinity: for each physicalCore { numactl -C physicalCoreId, physicalCoreId + 64}
JVM Instances: 64
JVM Initial Heap (MB): 1024
JVM Maximum Heap (MB): 1024
JVM Address Bits: 64
Boot Firmware Version: 1.1.3
Management Firmware Version: 1.30.10.50
Workload Version: SSJ 1.2.10
Director Location: Controller
Other Software: None
Boot Firmware Settings
Management Firmware Settings
Enabled (see SUT notes)
System Under Test Notes
Notes
None
Performance Details
Target Load Actual Load Transaction Type Count Total Heap (MB)
Calibration 1 New Order 11,034,232 1,015
Payment 11,034,234
Order Status 1,103,424
Delivery 1,103,424
Stock Level 1,103,424
Customer Report 11,034,236
Calibration 2 New Order 10,897,067 1,015
Payment 10,897,067
Order Status 1,089,707
Delivery 1,089,707
Stock Level 1,089,706
Customer Report 10,897,071
Calibration 3 New Order 10,893,623 1,015
Payment 10,893,622
Order Status 1,089,362
Delivery 1,089,364
Stock Level 1,089,362
Customer Report 10,893,622
100% 99.7% New Order 10,866,630 1,015
Payment 10,866,631
Order Status 1,086,664
Delivery 1,086,664
Stock Level 1,086,663
Customer Report 10,866,632
90% 89.3% New Order 9,731,613 1,015
Payment 9,731,613
Order Status 973,161
Delivery 973,162
Stock Level 973,162
Customer Report 9,731,614
80% 80.3% New Order 8,746,889 1,014
Payment 8,746,894
Order Status 874,690
Delivery 874,690
Stock Level 874,689
Customer Report 8,746,892
70% 69.8% New Order 7,608,181 1,014
Payment 7,608,180
Order Status 760,819
Delivery 760,819
Stock Level 760,819
Customer Report 7,608,183
60% 60.6% New Order 6,606,131 1,014
Payment 6,606,131
Order Status 660,613
Delivery 660,614
Stock Level 660,613
Customer Report 6,606,132
50% 49.5% New Order 5,394,935 1,016
Payment 5,394,936
Order Status 539,494
Delivery 539,493
Stock Level 539,493
Customer Report 5,394,936
40% 40.1% New Order 4,363,909 1,015
Payment 4,363,912
Order Status 436,391
Delivery 436,390
Stock Level 436,389
Customer Report 4,363,905
30% 30.1% New Order 3,278,067 1,014
Payment 3,278,058
Order Status 327,805
Delivery 327,807
Stock Level 327,808
Customer Report 3,278,062
20% 20.2% New Order 2,196,390 1,014
Payment 2,196,390
Order Status 219,639
Delivery 219,641
Stock Level 219,639
Customer Report 2,196,392
10% 10.2% New Order 1,109,684 1,014
Payment 1,109,687
Order Status 110,968
Delivery 110,968
Stock Level 110,968
Customer Report 1,109,691
Active Idle New Order 0 1,014
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0