Dell Inc. PowerEdge XR8720t (Intel Xeon 6766P-B) ssj_ops@100% = 149,560
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     151,707
Calibration 2     149,997
Calibration 3     149,478
ssj_ops@calibrated=149,738
100% 99.9% 149,738 149,560
90% 90.0% 134,764 134,823
80% 80.2% 119,790 120,034
70% 69.8% 104,816 104,589
60% 61.0% 89,843 91,360
50% 50.3% 74,869 75,279
40% 40.5% 59,895 60,604
30% 29.8% 44,921 44,644
20% 19.7% 29,948 29,524
10% 9.8% 14,974 14,705
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 11,033,690 1,014
Payment 11,033,687
Order Status 1,103,368
Delivery 1,103,370
Stock Level 1,103,369
Customer Report 11,033,688
Calibration 2 New Order 10,909,025 1,014
Payment 10,909,030
Order Status 1,090,902
Delivery 1,090,903
Stock Level 1,090,903
Customer Report 10,909,026
Calibration 3 New Order 10,871,164 1,016
Payment 10,871,167
Order Status 1,087,117
Delivery 1,087,117
Stock Level 1,087,117
Customer Report 10,871,170
100% 99.9% New Order 10,877,216 1,016
Payment 10,877,222
Order Status 1,087,722
Delivery 1,087,723
Stock Level 1,087,721
Customer Report 10,877,219
90% 90.0% New Order 9,805,301 1,016
Payment 9,805,298
Order Status 980,529
Delivery 980,530
Stock Level 980,529
Customer Report 9,805,293
80% 80.2% New Order 8,729,869 1,015
Payment 8,729,875
Order Status 872,986
Delivery 872,986
Stock Level 872,987
Customer Report 8,729,871
70% 69.8% New Order 7,606,443 1,015
Payment 7,606,445
Order Status 760,644
Delivery 760,645
Stock Level 760,644
Customer Report 7,606,445
60% 61.0% New Order 6,644,403 1,015
Payment 6,644,406
Order Status 664,440
Delivery 664,440
Stock Level 664,440
Customer Report 6,644,402
50% 50.3% New Order 5,474,921 1,016
Payment 5,474,924
Order Status 547,491
Delivery 547,492
Stock Level 547,493
Customer Report 5,474,919
40% 40.5% New Order 4,407,585 1,016
Payment 4,407,583
Order Status 440,758
Delivery 440,758
Stock Level 440,758
Customer Report 4,407,582
30% 29.8% New Order 3,246,836 1,015
Payment 3,246,836
Order Status 324,685
Delivery 324,684
Stock Level 324,685
Customer Report 3,246,837
20% 19.7% New Order 2,147,238 1,016
Payment 2,147,240
Order Status 214,724
Delivery 214,724
Stock Level 214,725
Customer Report 2,147,232
10% 9.8% New Order 1,069,504 1,016
Payment 1,069,507
Order Status 106,952
Delivery 106,951
Stock Level 106,950
Customer Report 1,069,504
Active Idle New Order 0 1,016
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0