Dell Inc. PowerEdge XR8720t (Intel Xeon 6766P-B) ssj_ops@100% = 159,222
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     162,382
Calibration 2     159,359
Calibration 3     159,406
ssj_ops@calibrated=159,382
100% 99.9% 159,382 159,222
90% 90.1% 143,444 143,667
80% 80.3% 127,506 127,922
70% 69.1% 111,568 110,107
60% 60.2% 95,629 95,960
50% 50.1% 79,691 79,850
40% 40.2% 63,753 64,042
30% 30.1% 47,815 47,954
20% 19.7% 31,876 31,411
10% 10.1% 15,938 16,121
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 11,810,026 1,015
Payment 11,810,030
Order Status 1,181,003
Delivery 1,181,004
Stock Level 1,181,003
Customer Report 11,810,028
Calibration 2 New Order 11,589,753 1,014
Payment 11,589,752
Order Status 1,158,974
Delivery 1,158,975
Stock Level 1,158,975
Customer Report 11,589,747
Calibration 3 New Order 11,593,176 1,016
Payment 11,593,172
Order Status 1,159,318
Delivery 1,159,316
Stock Level 1,159,319
Customer Report 11,593,172
100% 99.9% New Order 11,579,789 1,014
Payment 11,579,787
Order Status 1,157,978
Delivery 1,157,979
Stock Level 1,157,980
Customer Report 11,579,788
90% 90.1% New Order 10,448,524 1,015
Payment 10,448,529
Order Status 1,044,852
Delivery 1,044,852
Stock Level 1,044,852
Customer Report 10,448,526
80% 80.3% New Order 9,303,444 1,015
Payment 9,303,442
Order Status 930,345
Delivery 930,344
Stock Level 930,344
Customer Report 9,303,444
70% 69.1% New Order 8,007,808 1,015
Payment 8,007,807
Order Status 800,781
Delivery 800,781
Stock Level 800,781
Customer Report 8,007,810
60% 60.2% New Order 6,978,904 1,015
Payment 6,978,906
Order Status 697,892
Delivery 697,891
Stock Level 697,890
Customer Report 6,978,902
50% 50.1% New Order 5,807,281 1,015
Payment 5,807,283
Order Status 580,728
Delivery 580,729
Stock Level 580,727
Customer Report 5,807,281
40% 40.2% New Order 4,657,652 1,014
Payment 4,657,657
Order Status 465,764
Delivery 465,768
Stock Level 465,766
Customer Report 4,657,659
30% 30.1% New Order 3,487,598 1,014
Payment 3,487,596
Order Status 348,761
Delivery 348,759
Stock Level 348,759
Customer Report 3,487,598
20% 19.7% New Order 2,284,494 1,015
Payment 2,284,497
Order Status 228,450
Delivery 228,450
Stock Level 228,448
Customer Report 2,284,494
10% 10.1% New Order 1,172,439 1,015
Payment 1,172,433
Order Status 117,244
Delivery 117,244
Stock Level 117,244
Customer Report 1,172,434
Active Idle New Order 0 1,015
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0