Dell Inc. PowerEdge XR8720t (Intel Xeon 6766P-B) ssj_ops@100% = 155,508
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     159,013
Calibration 2     156,513
Calibration 3     156,077
ssj_ops@calibrated=156,295
100% 99.5% 156,295 155,508
90% 90.6% 140,666 141,593
80% 79.6% 125,036 124,422
70% 69.4% 109,407 108,451
60% 59.5% 93,777 92,974
50% 50.0% 78,148 78,188
40% 40.5% 62,518 63,286
30% 29.4% 46,889 46,003
20% 19.6% 31,259 30,677
10% 10.1% 15,630 15,837
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 11,564,874 1,014
Payment 11,564,874
Order Status 1,156,487
Delivery 1,156,487
Stock Level 1,156,487
Customer Report 11,564,875
Calibration 2 New Order 11,382,816 1,016
Payment 11,382,814
Order Status 1,138,282
Delivery 1,138,281
Stock Level 1,138,281
Customer Report 11,382,808
Calibration 3 New Order 11,351,091 1,014
Payment 11,351,091
Order Status 1,135,108
Delivery 1,135,109
Stock Level 1,135,108
Customer Report 11,351,090
100% 99.5% New Order 11,309,668 1,014
Payment 11,309,666
Order Status 1,130,967
Delivery 1,130,967
Stock Level 1,130,967
Customer Report 11,309,661
90% 90.6% New Order 10,297,729 1,014
Payment 10,297,732
Order Status 1,029,772
Delivery 1,029,774
Stock Level 1,029,775
Customer Report 10,297,728
80% 79.6% New Order 9,048,887 1,015
Payment 9,048,889
Order Status 904,888
Delivery 904,889
Stock Level 904,889
Customer Report 9,048,892
70% 69.4% New Order 7,887,397 1,014
Payment 7,887,402
Order Status 788,741
Delivery 788,740
Stock Level 788,741
Customer Report 7,887,403
60% 59.5% New Order 6,761,760 1,014
Payment 6,761,761
Order Status 676,175
Delivery 676,176
Stock Level 676,177
Customer Report 6,761,760
50% 50.0% New Order 5,686,413 1,014
Payment 5,686,412
Order Status 568,640
Delivery 568,641
Stock Level 568,641
Customer Report 5,686,412
40% 40.5% New Order 4,602,598 1,014
Payment 4,602,596
Order Status 460,260
Delivery 460,260
Stock Level 460,260
Customer Report 4,602,594
30% 29.4% New Order 3,345,684 1,014
Payment 3,345,679
Order Status 334,568
Delivery 334,570
Stock Level 334,568
Customer Report 3,345,685
20% 19.6% New Order 2,231,118 1,014
Payment 2,231,117
Order Status 223,111
Delivery 223,110
Stock Level 223,112
Customer Report 2,231,125
10% 10.1% New Order 1,151,821 1,014
Payment 1,151,818
Order Status 115,181
Delivery 115,182
Stock Level 115,181
Customer Report 1,151,817
Active Idle New Order 0 1,014
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0