Dell Inc. PowerEdge XR8720t (Intel Xeon 6766P-B) ssj_ops@100% = 155,895
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     159,007
Calibration 2     156,923
Calibration 3     156,762
ssj_ops@calibrated=156,843
100% 99.4% 156,843 155,895
90% 90.1% 141,158 141,303
80% 80.2% 125,474 125,736
70% 70.4% 109,790 110,344
60% 60.3% 94,106 94,568
50% 49.3% 78,421 77,340
40% 40.1% 62,737 62,861
30% 29.7% 47,053 46,643
20% 20.2% 31,369 31,643
10% 10.0% 15,684 15,729
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 11,564,467 1,016
Payment 11,564,460
Order Status 1,156,446
Delivery 1,156,447
Stock Level 1,156,446
Customer Report 11,564,465
Calibration 2 New Order 11,412,631 1,015
Payment 11,412,636
Order Status 1,141,265
Delivery 1,141,264
Stock Level 1,141,263
Customer Report 11,412,631
Calibration 3 New Order 11,400,880 1,016
Payment 11,400,884
Order Status 1,140,088
Delivery 1,140,088
Stock Level 1,140,089
Customer Report 11,400,876
100% 99.4% New Order 11,337,807 1,015
Payment 11,337,808
Order Status 1,133,781
Delivery 1,133,781
Stock Level 1,133,782
Customer Report 11,337,805
90% 90.1% New Order 10,276,606 1,016
Payment 10,276,605
Order Status 1,027,661
Delivery 1,027,662
Stock Level 1,027,659
Customer Report 10,276,608
80% 80.2% New Order 9,144,446 1,015
Payment 9,144,445
Order Status 914,443
Delivery 914,445
Stock Level 914,445
Customer Report 9,144,451
70% 70.4% New Order 8,024,991 1,016
Payment 8,024,992
Order Status 802,499
Delivery 802,499
Stock Level 802,499
Customer Report 8,024,995
60% 60.3% New Order 6,877,746 1,014
Payment 6,877,746
Order Status 687,774
Delivery 687,775
Stock Level 687,776
Customer Report 6,877,750
50% 49.3% New Order 5,624,744 1,016
Payment 5,624,745
Order Status 562,476
Delivery 562,475
Stock Level 562,474
Customer Report 5,624,747
40% 40.1% New Order 4,571,723 1,016
Payment 4,571,725
Order Status 457,172
Delivery 457,173
Stock Level 457,173
Customer Report 4,571,728
30% 29.7% New Order 3,392,244 1,016
Payment 3,392,251
Order Status 339,224
Delivery 339,226
Stock Level 339,224
Customer Report 3,392,245
20% 20.2% New Order 2,301,300 1,016
Payment 2,301,298
Order Status 230,130
Delivery 230,130
Stock Level 230,130
Customer Report 2,301,292
10% 10.0% New Order 1,143,922 1,014
Payment 1,143,918
Order Status 114,392
Delivery 114,391
Stock Level 114,392
Customer Report 1,143,920
Active Idle New Order 0 1,014
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0