Dell Inc. PowerEdge XR8720t (Intel Xeon 6766P-B) ssj_ops@100% = 145,803
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     147,844
Calibration 2     145,942
Calibration 3     145,730
ssj_ops@calibrated=145,836
100% 100.0% 145,836 145,803
90% 90.1% 131,252 131,327
80% 80.0% 116,669 116,601
70% 69.9% 102,085 101,878
60% 59.8% 87,502 87,212
50% 49.9% 72,918 72,763
40% 40.5% 58,334 59,001
30% 29.8% 43,751 43,498
20% 20.0% 29,167 29,098
10% 9.7% 14,584 14,171
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 10,752,442 1,016
Payment 10,752,441
Order Status 1,075,244
Delivery 1,075,242
Stock Level 1,075,245
Customer Report 10,752,435
Calibration 2 New Order 10,613,994 1,015
Payment 10,613,993
Order Status 1,061,400
Delivery 1,061,399
Stock Level 1,061,399
Customer Report 10,613,993
Calibration 3 New Order 10,598,550 1,016
Payment 10,598,553
Order Status 1,059,855
Delivery 1,059,855
Stock Level 1,059,856
Customer Report 10,598,551
100% 100.0% New Order 10,604,006 1,016
Payment 10,604,010
Order Status 1,060,400
Delivery 1,060,401
Stock Level 1,060,400
Customer Report 10,604,005
90% 90.1% New Order 9,551,036 1,016
Payment 9,551,040
Order Status 955,103
Delivery 955,103
Stock Level 955,105
Customer Report 9,551,038
80% 80.0% New Order 8,480,093 1,015
Payment 8,480,091
Order Status 848,009
Delivery 848,009
Stock Level 848,009
Customer Report 8,480,095
70% 69.9% New Order 7,409,476 1,016
Payment 7,409,479
Order Status 740,946
Delivery 740,949
Stock Level 740,948
Customer Report 7,409,477
60% 59.8% New Order 6,342,731 1,014
Payment 6,342,735
Order Status 634,273
Delivery 634,272
Stock Level 634,274
Customer Report 6,342,733
50% 49.9% New Order 5,291,958 1,014
Payment 5,291,956
Order Status 529,196
Delivery 529,193
Stock Level 529,196
Customer Report 5,291,954
40% 40.5% New Order 4,290,971 1,014
Payment 4,290,972
Order Status 429,097
Delivery 429,097
Stock Level 429,096
Customer Report 4,290,971
30% 29.8% New Order 3,163,509 1,014
Payment 3,163,508
Order Status 316,352
Delivery 316,350
Stock Level 316,351
Customer Report 3,163,513
20% 20.0% New Order 2,116,258 1,014
Payment 2,116,259
Order Status 211,627
Delivery 211,626
Stock Level 211,625
Customer Report 2,116,262
10% 9.7% New Order 1,030,608 1,016
Payment 1,030,605
Order Status 103,061
Delivery 103,060
Stock Level 103,061
Customer Report 1,030,605
Active Idle New Order 0 1,016
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0