Dell Inc. PowerEdge XR8720t (Intel Xeon 6766P-B) ssj_ops@100% = 156,321
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     158,844
Calibration 2     156,209
Calibration 3     156,037
ssj_ops@calibrated=156,123
100% 100.1% 156,123 156,321
90% 90.1% 140,511 140,697
80% 79.4% 124,898 124,005
70% 70.4% 109,286 109,925
60% 59.4% 93,674 92,737
50% 50.1% 78,061 78,189
40% 39.8% 62,449 62,156
30% 29.9% 46,837 46,638
20% 20.0% 31,225 31,249
10% 10.1% 15,612 15,704
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 11,552,564 1,014
Payment 11,552,562
Order Status 1,155,258
Delivery 1,155,256
Stock Level 1,155,257
Customer Report 11,552,569
Calibration 2 New Order 11,360,785 1,014
Payment 11,360,782
Order Status 1,136,077
Delivery 1,136,078
Stock Level 1,136,079
Customer Report 11,360,784
Calibration 3 New Order 11,348,129 1,014
Payment 11,348,132
Order Status 1,134,813
Delivery 1,134,813
Stock Level 1,134,812
Customer Report 11,348,134
100% 100.1% New Order 11,368,853 1,014
Payment 11,368,853
Order Status 1,136,885
Delivery 1,136,884
Stock Level 1,136,885
Customer Report 11,368,846
90% 90.1% New Order 10,232,504 1,014
Payment 10,232,502
Order Status 1,023,250
Delivery 1,023,250
Stock Level 1,023,250
Customer Report 10,232,496
80% 79.4% New Order 9,018,753 1,014
Payment 9,018,751
Order Status 901,875
Delivery 901,875
Stock Level 901,873
Customer Report 9,018,751
70% 70.4% New Order 7,994,612 1,014
Payment 7,994,608
Order Status 799,461
Delivery 799,461
Stock Level 799,460
Customer Report 7,994,607
60% 59.4% New Order 6,744,568 1,011
Payment 6,744,562
Order Status 674,457
Delivery 674,457
Stock Level 674,457
Customer Report 6,744,566
50% 50.1% New Order 5,686,536 1,014
Payment 5,686,536
Order Status 568,654
Delivery 568,652
Stock Level 568,655
Customer Report 5,686,541
40% 39.8% New Order 4,520,409 1,014
Payment 4,520,413
Order Status 452,041
Delivery 452,042
Stock Level 452,041
Customer Report 4,520,412
30% 29.9% New Order 3,391,878 1,014
Payment 3,391,880
Order Status 339,187
Delivery 339,187
Stock Level 339,187
Customer Report 3,391,874
20% 20.0% New Order 2,272,633 1,014
Payment 2,272,626
Order Status 227,262
Delivery 227,263
Stock Level 227,263
Customer Report 2,272,626
10% 10.1% New Order 1,142,118 1,014
Payment 1,142,116
Order Status 114,210
Delivery 114,211
Stock Level 114,212
Customer Report 1,142,114
Active Idle New Order 0 1,014
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0