Dell Inc. PowerEdge XR8720t (Intel Xeon 6766P-B) ssj_ops@100% = 157,352
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     160,554
Calibration 2     158,130
Calibration 3     157,716
ssj_ops@calibrated=157,923
100% 99.6% 157,923 157,352
90% 89.9% 142,131 141,923
80% 80.2% 126,339 126,672
70% 70.1% 110,546 110,646
60% 59.0% 94,754 93,102
50% 50.2% 78,962 79,276
40% 39.9% 63,169 62,944
30% 29.9% 47,377 47,158
20% 20.0% 31,585 31,548
10% 10.4% 15,792 16,376
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 11,677,093 1,014
Payment 11,677,096
Order Status 1,167,709
Delivery 1,167,710
Stock Level 1,167,709
Customer Report 11,677,099
Calibration 2 New Order 11,500,407 1,015
Payment 11,500,406
Order Status 1,150,041
Delivery 1,150,040
Stock Level 1,150,041
Customer Report 11,500,408
Calibration 3 New Order 11,470,338 1,015
Payment 11,470,341
Order Status 1,147,033
Delivery 1,147,034
Stock Level 1,147,035
Customer Report 11,470,343
100% 99.6% New Order 11,443,889 1,014
Payment 11,443,891
Order Status 1,144,389
Delivery 1,144,390
Stock Level 1,144,388
Customer Report 11,443,892
90% 89.9% New Order 10,321,691 1,015
Payment 10,321,692
Order Status 1,032,169
Delivery 1,032,169
Stock Level 1,032,169
Customer Report 10,321,692
80% 80.2% New Order 9,212,485 1,014
Payment 9,212,483
Order Status 921,248
Delivery 921,248
Stock Level 921,247
Customer Report 9,212,480
70% 70.1% New Order 8,047,088 1,014
Payment 8,047,097
Order Status 804,709
Delivery 804,711
Stock Level 804,710
Customer Report 8,047,095
60% 59.0% New Order 6,771,096 1,014
Payment 6,771,093
Order Status 677,108
Delivery 677,109
Stock Level 677,110
Customer Report 6,771,096
50% 50.2% New Order 5,765,557 1,015
Payment 5,765,555
Order Status 576,555
Delivery 576,556
Stock Level 576,556
Customer Report 5,765,559
40% 39.9% New Order 4,577,723 1,014
Payment 4,577,719
Order Status 457,773
Delivery 457,771
Stock Level 457,772
Customer Report 4,577,721
30% 29.9% New Order 3,429,698 1,014
Payment 3,429,696
Order Status 342,971
Delivery 342,970
Stock Level 342,970
Customer Report 3,429,695
20% 20.0% New Order 2,294,389 1,014
Payment 2,294,393
Order Status 229,439
Delivery 229,439
Stock Level 229,440
Customer Report 2,294,389
10% 10.4% New Order 1,190,972 1,014
Payment 1,190,975
Order Status 119,098
Delivery 119,098
Stock Level 119,098
Customer Report 1,190,977
Active Idle New Order 0 1,014
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0