Dell Inc. PowerEdge XR8720t (Intel Xeon 6766P-B) ssj_ops@100% = 156,943
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     158,820
Calibration 2     157,030
Calibration 3     157,056
ssj_ops@calibrated=157,043
100% 99.9% 157,043 156,943
90% 90.1% 141,339 141,545
80% 79.5% 125,634 124,773
70% 70.1% 109,930 110,116
60% 60.4% 94,226 94,880
50% 49.5% 78,521 77,798
40% 40.2% 62,817 63,186
30% 30.2% 47,113 47,364
20% 20.3% 31,409 31,883
10% 9.8% 15,704 15,467
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 11,551,306 1,014
Payment 11,551,304
Order Status 1,155,129
Delivery 1,155,129
Stock Level 1,155,130
Customer Report 11,551,310
Calibration 2 New Order 11,420,411 1,014
Payment 11,420,415
Order Status 1,142,040
Delivery 1,142,042
Stock Level 1,142,041
Customer Report 11,420,408
Calibration 3 New Order 11,422,242 1,014
Payment 11,422,243
Order Status 1,142,225
Delivery 1,142,225
Stock Level 1,142,224
Customer Report 11,422,237
100% 99.9% New Order 11,414,024 1,014
Payment 11,414,025
Order Status 1,141,403
Delivery 1,141,402
Stock Level 1,141,403
Customer Report 11,414,025
90% 90.1% New Order 10,294,198 1,014
Payment 10,294,196
Order Status 1,029,420
Delivery 1,029,420
Stock Level 1,029,420
Customer Report 10,294,197
80% 79.5% New Order 9,074,399 1,014
Payment 9,074,398
Order Status 907,439
Delivery 907,439
Stock Level 907,441
Customer Report 9,074,397
70% 70.1% New Order 8,008,522 1,014
Payment 8,008,521
Order Status 800,852
Delivery 800,851
Stock Level 800,852
Customer Report 8,008,528
60% 60.4% New Order 6,900,400 1,014
Payment 6,900,403
Order Status 690,040
Delivery 690,041
Stock Level 690,040
Customer Report 6,900,401
50% 49.5% New Order 5,658,067 1,014
Payment 5,658,069
Order Status 565,807
Delivery 565,807
Stock Level 565,806
Customer Report 5,658,063
40% 40.2% New Order 4,595,361 1,015
Payment 4,595,360
Order Status 459,536
Delivery 459,536
Stock Level 459,536
Customer Report 4,595,362
30% 30.2% New Order 3,444,683 1,014
Payment 3,444,675
Order Status 344,468
Delivery 344,469
Stock Level 344,468
Customer Report 3,444,674
20% 20.3% New Order 2,318,797 1,014
Payment 2,318,795
Order Status 231,880
Delivery 231,879
Stock Level 231,880
Customer Report 2,318,794
10% 9.8% New Order 1,124,847 1,014
Payment 1,124,849
Order Status 112,485
Delivery 112,485
Stock Level 112,485
Customer Report 1,124,849
Active Idle New Order 0 1,014
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0