Dell Inc. PowerEdge XR8720t (Intel Xeon 6766P-B) ssj_ops@100% = 156,544
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     159,474
Calibration 2     157,346
Calibration 3     157,126
ssj_ops@calibrated=157,236
100% 99.6% 157,236 156,544
90% 90.4% 141,513 142,198
80% 80.5% 125,789 126,569
70% 69.8% 110,065 109,792
60% 60.0% 94,342 94,299
50% 49.9% 78,618 78,530
40% 40.0% 62,895 62,903
30% 29.9% 47,171 47,009
20% 20.0% 31,447 31,512
10% 10.0% 15,724 15,721
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 11,598,611 1,014
Payment 11,598,617
Order Status 1,159,864
Delivery 1,159,862
Stock Level 1,159,860
Customer Report 11,598,618
Calibration 2 New Order 11,443,536 1,014
Payment 11,443,537
Order Status 1,144,353
Delivery 1,144,352
Stock Level 1,144,354
Customer Report 11,443,530
Calibration 3 New Order 11,427,377 1,014
Payment 11,427,383
Order Status 1,142,739
Delivery 1,142,738
Stock Level 1,142,738
Customer Report 11,427,381
100% 99.6% New Order 11,385,071 1,014
Payment 11,385,075
Order Status 1,138,507
Delivery 1,138,508
Stock Level 1,138,508
Customer Report 11,385,075
90% 90.4% New Order 10,341,650 1,014
Payment 10,341,643
Order Status 1,034,165
Delivery 1,034,165
Stock Level 1,034,165
Customer Report 10,341,645
80% 80.5% New Order 9,205,004 1,011
Payment 9,205,000
Order Status 920,501
Delivery 920,500
Stock Level 920,500
Customer Report 9,205,000
70% 69.8% New Order 7,984,863 1,015
Payment 7,984,864
Order Status 798,487
Delivery 798,488
Stock Level 798,487
Customer Report 7,984,864
60% 60.0% New Order 6,858,096 1,011
Payment 6,858,096
Order Status 685,810
Delivery 685,809
Stock Level 685,809
Customer Report 6,858,096
50% 49.9% New Order 5,711,260 1,014
Payment 5,711,254
Order Status 571,125
Delivery 571,125
Stock Level 571,126
Customer Report 5,711,256
40% 40.0% New Order 4,574,808 1,014
Payment 4,574,810
Order Status 457,481
Delivery 457,481
Stock Level 457,481
Customer Report 4,574,805
30% 29.9% New Order 3,418,865 1,018
Payment 3,418,864
Order Status 341,885
Delivery 341,887
Stock Level 341,888
Customer Report 3,418,869
20% 20.0% New Order 2,291,836 1,018
Payment 2,291,832
Order Status 229,182
Delivery 229,183
Stock Level 229,184
Customer Report 2,291,828
10% 10.0% New Order 1,143,336 1,018
Payment 1,143,333
Order Status 114,333
Delivery 114,333
Stock Level 114,332
Customer Report 1,143,333
Active Idle New Order 0 1,018
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0