Dell Inc. PowerEdge XR8720t (Intel Xeon 6766P-B) ssj_ops@100% = 156,678
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     159,564
Calibration 2     157,174
Calibration 3     156,803
ssj_ops@calibrated=156,988
100% 99.8% 156,988 156,678
90% 89.6% 141,290 140,628
80% 79.6% 125,591 124,958
70% 69.3% 109,892 108,715
60% 59.8% 94,193 93,815
50% 49.3% 78,494 77,396
40% 40.3% 62,795 63,224
30% 29.9% 47,097 46,986
20% 19.6% 31,398 30,830
10% 10.2% 15,699 16,021
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 11,605,154 1,015
Payment 11,605,156
Order Status 1,160,514
Delivery 1,160,517
Stock Level 1,160,515
Customer Report 11,605,153
Calibration 2 New Order 11,430,955 1,014
Payment 11,430,960
Order Status 1,143,097
Delivery 1,143,096
Stock Level 1,143,095
Customer Report 11,430,958
Calibration 3 New Order 11,403,926 1,014
Payment 11,403,928
Order Status 1,140,391
Delivery 1,140,392
Stock Level 1,140,393
Customer Report 11,403,931
100% 99.8% New Order 11,394,851 1,014
Payment 11,394,849
Order Status 1,139,485
Delivery 1,139,484
Stock Level 1,139,485
Customer Report 11,394,848
90% 89.6% New Order 10,227,482 1,014
Payment 10,227,482
Order Status 1,022,748
Delivery 1,022,748
Stock Level 1,022,748
Customer Report 10,227,488
80% 79.6% New Order 9,087,829 1,014
Payment 9,087,831
Order Status 908,782
Delivery 908,784
Stock Level 908,784
Customer Report 9,087,831
70% 69.3% New Order 7,906,526 1,014
Payment 7,906,521
Order Status 790,653
Delivery 790,652
Stock Level 790,653
Customer Report 7,906,530
60% 59.8% New Order 6,822,944 1,014
Payment 6,822,945
Order Status 682,295
Delivery 682,294
Stock Level 682,294
Customer Report 6,822,943
50% 49.3% New Order 5,628,907 1,014
Payment 5,628,905
Order Status 562,891
Delivery 562,891
Stock Level 562,890
Customer Report 5,628,908
40% 40.3% New Order 4,598,100 1,014
Payment 4,598,099
Order Status 459,809
Delivery 459,810
Stock Level 459,811
Customer Report 4,598,097
30% 29.9% New Order 3,417,231 1,014
Payment 3,417,229
Order Status 341,723
Delivery 341,723
Stock Level 341,723
Customer Report 3,417,230
20% 19.6% New Order 2,242,204 1,014
Payment 2,242,204
Order Status 224,222
Delivery 224,220
Stock Level 224,221
Customer Report 2,242,206
10% 10.2% New Order 1,165,152 1,014
Payment 1,165,148
Order Status 116,515
Delivery 116,516
Stock Level 116,515
Customer Report 1,165,154
Active Idle New Order 0 1,014
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0