Dell Inc. PowerEdge XR8720t (Intel Xeon 6766P-B) ssj_ops@100% = 151,635
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     154,045
Calibration 2     152,495
Calibration 3     152,213
ssj_ops@calibrated=152,354
100% 99.5% 152,354 151,635
90% 90.0% 137,118 137,046
80% 80.0% 121,883 121,838
70% 69.8% 106,648 106,365
60% 59.7% 91,412 90,946
50% 50.4% 76,177 76,781
40% 40.0% 60,942 60,923
30% 30.3% 45,706 46,177
20% 20.1% 30,471 30,626
10% 9.8% 15,235 14,996
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 11,203,662 1,016
Payment 11,203,659
Order Status 1,120,366
Delivery 1,120,366
Stock Level 1,120,366
Customer Report 11,203,659
Calibration 2 New Order 11,090,600 1,015
Payment 11,090,599
Order Status 1,109,059
Delivery 1,109,060
Stock Level 1,109,061
Customer Report 11,090,600
Calibration 3 New Order 11,070,016 1,016
Payment 11,070,017
Order Status 1,107,002
Delivery 1,107,000
Stock Level 1,107,000
Customer Report 11,070,020
100% 99.5% New Order 11,028,044 1,016
Payment 11,028,040
Order Status 1,102,805
Delivery 1,102,805
Stock Level 1,102,803
Customer Report 11,028,035
90% 90.0% New Order 9,967,018 1,016
Payment 9,967,011
Order Status 996,702
Delivery 996,703
Stock Level 996,701
Customer Report 9,967,016
80% 80.0% New Order 8,860,966 1,015
Payment 8,860,969
Order Status 886,097
Delivery 886,096
Stock Level 886,096
Customer Report 8,860,972
70% 69.8% New Order 7,735,679 1,016
Payment 7,735,677
Order Status 773,568
Delivery 773,567
Stock Level 773,568
Customer Report 7,735,675
60% 59.7% New Order 6,614,308 1,016
Payment 6,614,307
Order Status 661,430
Delivery 661,431
Stock Level 661,431
Customer Report 6,614,304
50% 50.4% New Order 5,584,123 1,015
Payment 5,584,122
Order Status 558,412
Delivery 558,412
Stock Level 558,412
Customer Report 5,584,123
40% 40.0% New Order 4,430,766 1,016
Payment 4,430,762
Order Status 443,077
Delivery 443,077
Stock Level 443,077
Customer Report 4,430,760
30% 30.3% New Order 3,358,314 1,015
Payment 3,358,316
Order Status 335,832
Delivery 335,832
Stock Level 335,834
Customer Report 3,358,320
20% 20.1% New Order 2,227,381 1,016
Payment 2,227,382
Order Status 222,738
Delivery 222,738
Stock Level 222,738
Customer Report 2,227,383
10% 9.8% New Order 1,090,608 1,016
Payment 1,090,604
Order Status 109,061
Delivery 109,060
Stock Level 109,061
Customer Report 1,090,606
Active Idle New Order 0 1,016
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0