Dell Inc. PowerEdge XR8720t (Intel Xeon 6766P-B) ssj_ops@100% = 157,875
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     160,730
Calibration 2     158,624
Calibration 3     158,578
ssj_ops@calibrated=158,601
100% 99.5% 158,601 157,875
90% 90.2% 142,741 142,987
80% 79.6% 126,881 126,226
70% 70.0% 111,021 110,981
60% 60.0% 95,161 95,234
50% 49.4% 79,301 78,361
40% 39.8% 63,440 63,151
30% 29.9% 47,580 47,355
20% 20.0% 31,720 31,756
10% 10.0% 15,860 15,906
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 11,689,580 1,016
Payment 11,689,581
Order Status 1,168,959
Delivery 1,168,958
Stock Level 1,168,958
Customer Report 11,689,578
Calibration 2 New Order 11,536,338 1,015
Payment 11,536,340
Order Status 1,153,634
Delivery 1,153,632
Stock Level 1,153,634
Customer Report 11,536,333
Calibration 3 New Order 11,532,950 1,016
Payment 11,532,947
Order Status 1,153,295
Delivery 1,153,295
Stock Level 1,153,295
Customer Report 11,532,950
100% 99.5% New Order 11,481,860 1,016
Payment 11,481,864
Order Status 1,148,186
Delivery 1,148,188
Stock Level 1,148,185
Customer Report 11,481,861
90% 90.2% New Order 10,399,082 1,015
Payment 10,399,085
Order Status 1,039,908
Delivery 1,039,908
Stock Level 1,039,909
Customer Report 10,399,085
80% 79.6% New Order 9,180,068 1,015
Payment 9,180,070
Order Status 918,007
Delivery 918,007
Stock Level 918,007
Customer Report 9,180,067
70% 70.0% New Order 8,071,335 1,016
Payment 8,071,335
Order Status 807,134
Delivery 807,134
Stock Level 807,135
Customer Report 8,071,336
60% 60.0% New Order 6,926,203 1,014
Payment 6,926,203
Order Status 692,619
Delivery 692,620
Stock Level 692,621
Customer Report 6,926,199
50% 49.4% New Order 5,699,030 1,013
Payment 5,699,035
Order Status 569,903
Delivery 569,905
Stock Level 569,904
Customer Report 5,699,035
40% 39.8% New Order 4,592,822 1,016
Payment 4,592,822
Order Status 459,282
Delivery 459,281
Stock Level 459,281
Customer Report 4,592,821
30% 29.9% New Order 3,444,011 1,016
Payment 3,444,005
Order Status 344,402
Delivery 344,402
Stock Level 344,401
Customer Report 3,444,004
20% 20.0% New Order 2,309,594 1,016
Payment 2,309,592
Order Status 230,960
Delivery 230,960
Stock Level 230,959
Customer Report 2,309,588
10% 10.0% New Order 1,156,808 1,015
Payment 1,156,804
Order Status 115,680
Delivery 115,681
Stock Level 115,680
Customer Report 1,156,805
Active Idle New Order 0 1,015
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0