Dell Inc. PowerEdge XR8720t (Intel Xeon 6766P-B) ssj_ops@100% = 155,940
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     158,335
Calibration 2     156,062
Calibration 3     155,834
ssj_ops@calibrated=155,948
100% 100.0% 155,948 155,940
90% 90.7% 140,353 141,436
80% 79.4% 124,758 123,773
70% 70.4% 109,164 109,797
60% 60.9% 93,569 94,936
50% 50.0% 77,974 77,987
40% 40.2% 62,379 62,747
30% 30.0% 46,784 46,761
20% 20.2% 31,190 31,520
10% 10.0% 15,595 15,658
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 11,515,720 1,014
Payment 11,515,719
Order Status 1,151,571
Delivery 1,151,572
Stock Level 1,151,571
Customer Report 11,515,719
Calibration 2 New Order 11,350,083 1,016
Payment 11,350,081
Order Status 1,135,008
Delivery 1,135,008
Stock Level 1,135,008
Customer Report 11,350,083
Calibration 3 New Order 11,333,421 1,016
Payment 11,333,419
Order Status 1,133,341
Delivery 1,133,342
Stock Level 1,133,342
Customer Report 11,333,423
100% 100.0% New Order 11,341,106 1,016
Payment 11,341,106
Order Status 1,134,110
Delivery 1,134,111
Stock Level 1,134,111
Customer Report 11,341,107
90% 90.7% New Order 10,286,257 1,014
Payment 10,286,258
Order Status 1,028,625
Delivery 1,028,626
Stock Level 1,028,626
Customer Report 10,286,260
80% 79.4% New Order 9,001,693 1,016
Payment 9,001,694
Order Status 900,169
Delivery 900,171
Stock Level 900,169
Customer Report 9,001,697
70% 70.4% New Order 7,985,260 1,015
Payment 7,985,255
Order Status 798,526
Delivery 798,525
Stock Level 798,527
Customer Report 7,985,256
60% 60.9% New Order 6,904,494 1,015
Payment 6,904,498
Order Status 690,449
Delivery 690,449
Stock Level 690,449
Customer Report 6,904,495
50% 50.0% New Order 5,671,780 1,016
Payment 5,671,778
Order Status 567,176
Delivery 567,177
Stock Level 567,176
Customer Report 5,671,774
40% 40.2% New Order 4,563,424 1,015
Payment 4,563,422
Order Status 456,343
Delivery 456,340
Stock Level 456,343
Customer Report 4,563,424
30% 30.0% New Order 3,400,792 1,015
Payment 3,400,791
Order Status 340,080
Delivery 340,080
Stock Level 340,081
Customer Report 3,400,792
20% 20.2% New Order 2,292,401 1,014
Payment 2,292,402
Order Status 229,241
Delivery 229,240
Stock Level 229,241
Customer Report 2,292,403
10% 10.0% New Order 1,138,790 1,016
Payment 1,138,789
Order Status 113,879
Delivery 113,878
Stock Level 113,878
Customer Report 1,138,786
Active Idle New Order 0 1,016
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0