Dell Inc. PowerEdge XR8720t (Intel Xeon 6766P-B) ssj_ops@100% = 154,373
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     157,061
Calibration 2     155,037
Calibration 3     154,631
ssj_ops@calibrated=154,834
100% 99.7% 154,834 154,373
90% 90.4% 139,351 139,976
80% 79.9% 123,867 123,680
70% 71.0% 108,384 109,934
60% 59.5% 92,900 92,108
50% 50.2% 77,417 77,767
40% 40.0% 61,934 61,924
30% 29.9% 46,450 46,253
20% 19.9% 30,967 30,813
10% 9.8% 15,483 15,099
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 11,422,834 1,014
Payment 11,422,841
Order Status 1,142,284
Delivery 1,142,284
Stock Level 1,142,284
Customer Report 11,422,837
Calibration 2 New Order 11,275,662 1,014
Payment 11,275,662
Order Status 1,127,566
Delivery 1,127,566
Stock Level 1,127,566
Customer Report 11,275,661
Calibration 3 New Order 11,246,039 1,014
Payment 11,246,042
Order Status 1,124,604
Delivery 1,124,604
Stock Level 1,124,604
Customer Report 11,246,038
100% 99.7% New Order 11,227,158 1,014
Payment 11,227,163
Order Status 1,122,717
Delivery 1,122,716
Stock Level 1,122,715
Customer Report 11,227,164
90% 90.4% New Order 10,180,064 1,014
Payment 10,180,064
Order Status 1,018,007
Delivery 1,018,008
Stock Level 1,018,006
Customer Report 10,180,068
80% 79.9% New Order 8,994,983 1,014
Payment 8,994,975
Order Status 899,499
Delivery 899,497
Stock Level 899,499
Customer Report 8,994,982
70% 71.0% New Order 7,995,207 1,014
Payment 7,995,218
Order Status 799,521
Delivery 799,523
Stock Level 799,521
Customer Report 7,995,209
60% 59.5% New Order 6,698,776 1,014
Payment 6,698,780
Order Status 669,877
Delivery 669,878
Stock Level 669,879
Customer Report 6,698,776
50% 50.2% New Order 5,655,757 1,014
Payment 5,655,755
Order Status 565,575
Delivery 565,577
Stock Level 565,576
Customer Report 5,655,763
40% 40.0% New Order 4,503,605 1,014
Payment 4,503,600
Order Status 450,360
Delivery 450,360
Stock Level 450,360
Customer Report 4,503,604
30% 29.9% New Order 3,363,829 1,018
Payment 3,363,839
Order Status 336,383
Delivery 336,383
Stock Level 336,384
Customer Report 3,363,833
20% 19.9% New Order 2,240,952 1,018
Payment 2,240,952
Order Status 224,095
Delivery 224,097
Stock Level 224,096
Customer Report 2,240,955
10% 9.8% New Order 1,098,124 1,018
Payment 1,098,122
Order Status 109,814
Delivery 109,813
Stock Level 109,812
Customer Report 1,098,127
Active Idle New Order 0 1,018
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0