Dell Inc. PowerEdge XR8720t (Intel Xeon 6766P-B) ssj_ops@100% = 149,100
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     151,073
Calibration 2     149,092
Calibration 3     148,734
ssj_ops@calibrated=148,913
100% 100.1% 148,913 149,100
90% 89.9% 134,022 133,934
80% 79.7% 119,130 118,645
70% 70.5% 104,239 104,946
60% 59.8% 89,348 89,028
50% 50.8% 74,456 75,662
40% 39.7% 59,565 59,144
30% 30.0% 44,674 44,620
20% 20.1% 29,783 29,890
10% 10.1% 14,891 15,105
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 10,987,587 1,015
Payment 10,987,593
Order Status 1,098,760
Delivery 1,098,758
Stock Level 1,098,759
Customer Report 10,987,590
Calibration 2 New Order 10,843,055 1,016
Payment 10,843,058
Order Status 1,084,305
Delivery 1,084,305
Stock Level 1,084,305
Customer Report 10,843,062
Calibration 3 New Order 10,817,152 1,015
Payment 10,817,149
Order Status 1,081,714
Delivery 1,081,716
Stock Level 1,081,716
Customer Report 10,817,151
100% 100.1% New Order 10,843,718 1,015
Payment 10,843,720
Order Status 1,084,373
Delivery 1,084,373
Stock Level 1,084,372
Customer Report 10,843,716
90% 89.9% New Order 9,740,629 1,015
Payment 9,740,629
Order Status 974,063
Delivery 974,063
Stock Level 974,062
Customer Report 9,740,633
80% 79.7% New Order 8,628,770 1,016
Payment 8,628,766
Order Status 862,876
Delivery 862,875
Stock Level 862,877
Customer Report 8,628,773
70% 70.5% New Order 7,632,419 1,015
Payment 7,632,417
Order Status 763,241
Delivery 763,241
Stock Level 763,242
Customer Report 7,632,420
60% 59.8% New Order 6,474,814 1,015
Payment 6,474,812
Order Status 647,480
Delivery 647,481
Stock Level 647,482
Customer Report 6,474,809
50% 50.8% New Order 5,502,756 1,016
Payment 5,502,757
Order Status 550,276
Delivery 550,276
Stock Level 550,277
Customer Report 5,502,751
40% 39.7% New Order 4,301,357 1,015
Payment 4,301,353
Order Status 430,135
Delivery 430,136
Stock Level 430,136
Customer Report 4,301,357
30% 30.0% New Order 3,245,138 1,015
Payment 3,245,134
Order Status 324,514
Delivery 324,514
Stock Level 324,514
Customer Report 3,245,135
20% 20.1% New Order 2,173,835 1,015
Payment 2,173,839
Order Status 217,383
Delivery 217,383
Stock Level 217,384
Customer Report 2,173,838
10% 10.1% New Order 1,098,568 1,015
Payment 1,098,571
Order Status 109,856
Delivery 109,856
Stock Level 109,857
Customer Report 1,098,571
Active Idle New Order 0 1,015
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0