Dell Inc. PowerEdge XR8720t (Intel Xeon 6766P-B) ssj_ops@100% = 156,186
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     159,098
Calibration 2     156,959
Calibration 3     156,329
ssj_ops@calibrated=156,644
100% 99.7% 156,644 156,186
90% 89.5% 140,980 140,255
80% 80.0% 125,315 125,317
70% 69.8% 109,651 109,355
60% 60.5% 93,986 94,807
50% 49.7% 78,322 77,836
40% 39.9% 62,658 62,559
30% 29.5% 46,993 46,199
20% 19.8% 31,329 31,006
10% 9.9% 15,664 15,556
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 11,571,755 1,014
Payment 11,571,761
Order Status 1,157,175
Delivery 1,157,176
Stock Level 1,157,175
Customer Report 11,571,756
Calibration 2 New Order 11,415,222 1,014
Payment 11,415,217
Order Status 1,141,521
Delivery 1,141,521
Stock Level 1,141,521
Customer Report 11,415,224
Calibration 3 New Order 11,369,406 1,014
Payment 11,369,408
Order Status 1,136,940
Delivery 1,136,940
Stock Level 1,136,941
Customer Report 11,369,408
100% 99.7% New Order 11,359,121 1,014
Payment 11,359,126
Order Status 1,135,913
Delivery 1,135,912
Stock Level 1,135,913
Customer Report 11,359,125
90% 89.5% New Order 10,200,397 1,014
Payment 10,200,399
Order Status 1,020,042
Delivery 1,020,040
Stock Level 1,020,039
Customer Report 10,200,393
80% 80.0% New Order 9,113,943 1,014
Payment 9,113,938
Order Status 911,394
Delivery 911,395
Stock Level 911,394
Customer Report 9,113,935
70% 69.8% New Order 7,953,120 1,014
Payment 7,953,123
Order Status 795,312
Delivery 795,313
Stock Level 795,313
Customer Report 7,953,121
60% 60.5% New Order 6,895,081 1,014
Payment 6,895,080
Order Status 689,508
Delivery 689,509
Stock Level 689,508
Customer Report 6,895,078
50% 49.7% New Order 5,660,863 1,014
Payment 5,660,861
Order Status 566,085
Delivery 566,086
Stock Level 566,086
Customer Report 5,660,859
40% 39.9% New Order 4,549,852 1,014
Payment 4,549,853
Order Status 454,984
Delivery 454,986
Stock Level 454,985
Customer Report 4,549,853
30% 29.5% New Order 3,359,921 1,014
Payment 3,359,917
Order Status 335,992
Delivery 335,993
Stock Level 335,993
Customer Report 3,359,917
20% 19.8% New Order 2,255,014 1,018
Payment 2,255,014
Order Status 225,501
Delivery 225,501
Stock Level 225,503
Customer Report 2,255,015
10% 9.9% New Order 1,131,356 1,018
Payment 1,131,353
Order Status 113,135
Delivery 113,136
Stock Level 113,135
Customer Report 1,131,348
Active Idle New Order 0 1,018
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0