Dell Inc. PowerEdge XR8720t (Intel Xeon 6766P-B) ssj_ops@100% = 155,864
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     158,200
Calibration 2     156,257
Calibration 3     155,685
ssj_ops@calibrated=155,971
100% 99.9% 155,971 155,864
90% 89.3% 140,374 139,269
80% 79.5% 124,777 123,997
70% 69.9% 109,180 108,971
60% 59.9% 93,582 93,480
50% 50.1% 77,985 78,198
40% 40.3% 62,388 62,814
30% 30.0% 46,791 46,823
20% 20.0% 31,194 31,142
10% 9.9% 15,597 15,415
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 11,505,886 1,016
Payment 11,505,886
Order Status 1,150,589
Delivery 1,150,589
Stock Level 1,150,588
Customer Report 11,505,894
Calibration 2 New Order 11,364,176 1,014
Payment 11,364,176
Order Status 1,136,417
Delivery 1,136,418
Stock Level 1,136,417
Customer Report 11,364,171
Calibration 3 New Order 11,322,548 1,014
Payment 11,322,538
Order Status 1,132,253
Delivery 1,132,255
Stock Level 1,132,255
Customer Report 11,322,542
100% 99.9% New Order 11,335,597 1,014
Payment 11,335,594
Order Status 1,133,560
Delivery 1,133,559
Stock Level 1,133,559
Customer Report 11,335,597
90% 89.3% New Order 10,128,630 1,014
Payment 10,128,624
Order Status 1,012,863
Delivery 1,012,862
Stock Level 1,012,863
Customer Report 10,128,626
80% 79.5% New Order 9,017,943 1,014
Payment 9,017,948
Order Status 901,794
Delivery 901,794
Stock Level 901,794
Customer Report 9,017,943
70% 69.9% New Order 7,925,178 1,014
Payment 7,925,187
Order Status 792,518
Delivery 792,519
Stock Level 792,518
Customer Report 7,925,184
60% 59.9% New Order 6,798,535 1,014
Payment 6,798,537
Order Status 679,855
Delivery 679,854
Stock Level 679,854
Customer Report 6,798,538
50% 50.1% New Order 5,687,196 1,014
Payment 5,687,195
Order Status 568,720
Delivery 568,721
Stock Level 568,719
Customer Report 5,687,193
40% 40.3% New Order 4,568,282 1,015
Payment 4,568,277
Order Status 456,828
Delivery 456,829
Stock Level 456,829
Customer Report 4,568,281
30% 30.0% New Order 3,405,355 1,018
Payment 3,405,357
Order Status 340,535
Delivery 340,536
Stock Level 340,535
Customer Report 3,405,359
20% 20.0% New Order 2,264,908 1,018
Payment 2,264,911
Order Status 226,492
Delivery 226,491
Stock Level 226,490
Customer Report 2,264,910
10% 9.9% New Order 1,121,069 1,018
Payment 1,121,071
Order Status 112,107
Delivery 112,107
Stock Level 112,108
Customer Report 1,121,067
Active Idle New Order 0 1,018
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0