Dell Inc. PowerEdge XR8720t (Intel Xeon 6766P-B) ssj_ops@100% = 154,511
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     158,463
Calibration 2     156,105
Calibration 3     155,658
ssj_ops@calibrated=155,882
100% 99.1% 155,882 154,511
90% 90.6% 140,293 141,154
80% 80.9% 124,705 126,119
70% 69.3% 109,117 108,091
60% 59.4% 93,529 92,560
50% 49.6% 77,941 77,311
40% 40.1% 62,353 62,501
30% 29.1% 46,764 45,423
20% 19.6% 31,176 30,559
10% 9.9% 15,588 15,423
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 11,524,914 1,015
Payment 11,524,910
Order Status 1,152,492
Delivery 1,152,491
Stock Level 1,152,491
Customer Report 11,524,912
Calibration 2 New Order 11,353,154 1,016
Payment 11,353,150
Order Status 1,135,314
Delivery 1,135,313
Stock Level 1,135,316
Customer Report 11,353,156
Calibration 3 New Order 11,320,630 1,016
Payment 11,320,631
Order Status 1,132,063
Delivery 1,132,063
Stock Level 1,132,063
Customer Report 11,320,629
100% 99.1% New Order 11,237,154 1,015
Payment 11,237,152
Order Status 1,123,715
Delivery 1,123,716
Stock Level 1,123,716
Customer Report 11,237,151
90% 90.6% New Order 10,265,900 1,015
Payment 10,265,896
Order Status 1,026,591
Delivery 1,026,591
Stock Level 1,026,589
Customer Report 10,265,902
80% 80.9% New Order 9,172,416 1,015
Payment 9,172,416
Order Status 917,241
Delivery 917,243
Stock Level 917,241
Customer Report 9,172,413
70% 69.3% New Order 7,861,201 1,016
Payment 7,861,198
Order Status 786,121
Delivery 786,121
Stock Level 786,119
Customer Report 7,861,207
60% 59.4% New Order 6,731,663 1,015
Payment 6,731,666
Order Status 673,165
Delivery 673,166
Stock Level 673,166
Customer Report 6,731,667
50% 49.6% New Order 5,622,637 1,015
Payment 5,622,635
Order Status 562,265
Delivery 562,263
Stock Level 562,264
Customer Report 5,622,639
40% 40.1% New Order 4,545,611 1,015
Payment 4,545,607
Order Status 454,562
Delivery 454,561
Stock Level 454,562
Customer Report 4,545,614
30% 29.1% New Order 3,303,493 1,012
Payment 3,303,484
Order Status 330,350
Delivery 330,349
Stock Level 330,349
Customer Report 3,303,490
20% 19.6% New Order 2,222,450 1,014
Payment 2,222,446
Order Status 222,246
Delivery 222,243
Stock Level 222,245
Customer Report 2,222,443
10% 9.9% New Order 1,121,650 1,014
Payment 1,121,654
Order Status 112,166
Delivery 112,165
Stock Level 112,165
Customer Report 1,121,656
Active Idle New Order 0 1,014
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0