Dell Inc. PowerEdge XR8720t (Intel Xeon 6766P-B) ssj_ops@100% = 156,300
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     158,928
Calibration 2     156,391
Calibration 3     156,411
ssj_ops@calibrated=156,401
100% 99.9% 156,401 156,300
90% 90.4% 140,761 141,316
80% 79.7% 125,121 124,705
70% 70.0% 109,481 109,528
60% 60.0% 93,841 93,778
50% 49.9% 78,201 78,012
40% 40.0% 62,560 62,583
30% 29.6% 46,920 46,337
20% 20.2% 31,280 31,662
10% 9.8% 15,640 15,341
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 11,558,673 1,016
Payment 11,558,676
Order Status 1,155,867
Delivery 1,155,867
Stock Level 1,155,868
Customer Report 11,558,675
Calibration 2 New Order 11,374,081 1,015
Payment 11,374,083
Order Status 1,137,408
Delivery 1,137,406
Stock Level 1,137,409
Customer Report 11,374,080
Calibration 3 New Order 11,375,354 1,016
Payment 11,375,355
Order Status 1,137,534
Delivery 1,137,536
Stock Level 1,137,536
Customer Report 11,375,354
100% 99.9% New Order 11,367,303 1,016
Payment 11,367,303
Order Status 1,136,731
Delivery 1,136,731
Stock Level 1,136,731
Customer Report 11,367,301
90% 90.4% New Order 10,277,531 1,015
Payment 10,277,537
Order Status 1,027,753
Delivery 1,027,753
Stock Level 1,027,755
Customer Report 10,277,535
80% 79.7% New Order 9,069,471 1,016
Payment 9,069,469
Order Status 906,946
Delivery 906,948
Stock Level 906,947
Customer Report 9,069,471
70% 70.0% New Order 7,965,682 1,015
Payment 7,965,679
Order Status 796,569
Delivery 796,568
Stock Level 796,568
Customer Report 7,965,678
60% 60.0% New Order 6,820,241 1,015
Payment 6,820,243
Order Status 682,024
Delivery 682,025
Stock Level 682,025
Customer Report 6,820,242
50% 49.9% New Order 5,673,598 1,016
Payment 5,673,597
Order Status 567,359
Delivery 567,359
Stock Level 567,359
Customer Report 5,673,594
40% 40.0% New Order 4,551,529 1,014
Payment 4,551,526
Order Status 455,153
Delivery 455,152
Stock Level 455,153
Customer Report 4,551,536
30% 29.6% New Order 3,369,961 1,014
Payment 3,369,960
Order Status 336,996
Delivery 336,996
Stock Level 336,996
Customer Report 3,369,959
20% 20.2% New Order 2,302,682 1,016
Payment 2,302,679
Order Status 230,269
Delivery 230,268
Stock Level 230,268
Customer Report 2,302,673
10% 9.8% New Order 1,115,745 1,014
Payment 1,115,740
Order Status 111,576
Delivery 111,573
Stock Level 111,574
Customer Report 1,115,741
Active Idle New Order 0 1,014
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0