Dell Inc. PowerEdge XR8720t (Intel Xeon 6766P-B) ssj_ops@100% = 156,407
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     159,152
Calibration 2     156,745
Calibration 3     156,398
ssj_ops@calibrated=156,571
100% 99.9% 156,571 156,407
90% 90.3% 140,914 141,338
80% 80.2% 125,257 125,522
70% 69.2% 109,600 108,314
60% 60.6% 93,943 94,818
50% 49.9% 78,286 78,177
40% 40.2% 62,629 62,924
30% 29.8% 46,971 46,644
20% 20.3% 31,314 31,762
10% 9.8% 15,657 15,366
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 11,575,206 1,015
Payment 11,575,204
Order Status 1,157,520
Delivery 1,157,520
Stock Level 1,157,522
Customer Report 11,575,204
Calibration 2 New Order 11,399,758 1,014
Payment 11,399,759
Order Status 1,139,975
Delivery 1,139,977
Stock Level 1,139,977
Customer Report 11,399,759
Calibration 3 New Order 11,374,439 1,014
Payment 11,374,440
Order Status 1,137,444
Delivery 1,137,445
Stock Level 1,137,443
Customer Report 11,374,438
100% 99.9% New Order 11,375,047 1,014
Payment 11,375,049
Order Status 1,137,505
Delivery 1,137,504
Stock Level 1,137,505
Customer Report 11,375,049
90% 90.3% New Order 10,279,162 1,014
Payment 10,279,166
Order Status 1,027,916
Delivery 1,027,918
Stock Level 1,027,916
Customer Report 10,279,165
80% 80.2% New Order 9,128,916 1,014
Payment 9,128,916
Order Status 912,892
Delivery 912,890
Stock Level 912,892
Customer Report 9,128,917
70% 69.2% New Order 7,877,386 1,014
Payment 7,877,393
Order Status 787,737
Delivery 787,740
Stock Level 787,740
Customer Report 7,877,396
60% 60.6% New Order 6,895,882 1,014
Payment 6,895,879
Order Status 689,590
Delivery 689,588
Stock Level 689,586
Customer Report 6,895,884
50% 49.9% New Order 5,685,646 1,015
Payment 5,685,642
Order Status 568,564
Delivery 568,564
Stock Level 568,564
Customer Report 5,685,639
40% 40.2% New Order 4,576,271 1,018
Payment 4,576,277
Order Status 457,627
Delivery 457,627
Stock Level 457,628
Customer Report 4,576,281
30% 29.8% New Order 3,392,269 1,018
Payment 3,392,268
Order Status 339,227
Delivery 339,230
Stock Level 339,226
Customer Report 3,392,269
20% 20.3% New Order 2,309,963 1,018
Payment 2,309,964
Order Status 230,996
Delivery 230,996
Stock Level 230,996
Customer Report 2,309,963
10% 9.8% New Order 1,117,511 1,018
Payment 1,117,509
Order Status 111,750
Delivery 111,751
Stock Level 111,750
Customer Report 1,117,510
Active Idle New Order 0 1,018
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0