Dell Inc. PowerEdge XR8720t (Intel Xeon 6766P-B) ssj_ops@100% = 149,806
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     152,365
Calibration 2     150,739
Calibration 3     150,615
ssj_ops@calibrated=150,677
100% 99.4% 150,677 149,806
90% 88.8% 135,609 133,870
80% 78.9% 120,542 118,954
70% 69.6% 105,474 104,891
60% 60.1% 90,406 90,609
50% 50.4% 75,338 75,916
40% 39.9% 60,271 60,106
30% 30.3% 45,203 45,699
20% 20.5% 30,135 30,903
10% 10.2% 15,068 15,346
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 11,081,585 1,016
Payment 11,081,583
Order Status 1,108,160
Delivery 1,108,159
Stock Level 1,108,159
Customer Report 11,081,585
Calibration 2 New Order 10,962,857 1,016
Payment 10,962,851
Order Status 1,096,286
Delivery 1,096,286
Stock Level 1,096,286
Customer Report 10,962,859
Calibration 3 New Order 10,953,806 1,015
Payment 10,953,809
Order Status 1,095,382
Delivery 1,095,381
Stock Level 1,095,381
Customer Report 10,953,807
100% 99.4% New Order 10,895,081 1,014
Payment 10,895,080
Order Status 1,089,508
Delivery 1,089,507
Stock Level 1,089,509
Customer Report 10,895,081
90% 88.8% New Order 9,735,979 1,016
Payment 9,735,983
Order Status 973,598
Delivery 973,598
Stock Level 973,599
Customer Report 9,735,979
80% 78.9% New Order 8,651,186 1,014
Payment 8,651,184
Order Status 865,118
Delivery 865,119
Stock Level 865,116
Customer Report 8,651,184
70% 69.6% New Order 7,628,443 1,016
Payment 7,628,446
Order Status 762,844
Delivery 762,843
Stock Level 762,844
Customer Report 7,628,441
60% 60.1% New Order 6,589,800 1,015
Payment 6,589,807
Order Status 658,981
Delivery 658,981
Stock Level 658,980
Customer Report 6,589,808
50% 50.4% New Order 5,521,173 1,016
Payment 5,521,173
Order Status 552,117
Delivery 552,118
Stock Level 552,118
Customer Report 5,521,171
40% 39.9% New Order 4,371,407 1,015
Payment 4,371,401
Order Status 437,139
Delivery 437,141
Stock Level 437,141
Customer Report 4,371,405
30% 30.3% New Order 3,323,595 1,016
Payment 3,323,596
Order Status 332,359
Delivery 332,360
Stock Level 332,360
Customer Report 3,323,594
20% 20.5% New Order 2,247,473 1,013
Payment 2,247,468
Order Status 224,746
Delivery 224,746
Stock Level 224,749
Customer Report 2,247,470
10% 10.2% New Order 1,116,064 1,015
Payment 1,116,059
Order Status 111,606
Delivery 111,606
Stock Level 111,606
Customer Report 1,116,059
Active Idle New Order 0 1,015
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0