Dell Inc. PowerEdge XR8720t (Intel Xeon 6766P-B) ssj_ops@100% = 146,861
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     150,006
Calibration 2     147,656
Calibration 3     147,290
ssj_ops@calibrated=147,473
100% 99.6% 147,473 146,861
90% 89.8% 132,726 132,383
80% 80.5% 117,978 118,697
70% 69.5% 103,231 102,530
60% 60.2% 88,484 88,773
50% 50.8% 73,737 74,869
40% 40.0% 58,989 58,994
30% 30.5% 44,242 44,909
20% 20.1% 29,495 29,582
10% 9.8% 14,747 14,408
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 10,909,725 1,016
Payment 10,909,727
Order Status 1,090,972
Delivery 1,090,973
Stock Level 1,090,974
Customer Report 10,909,728
Calibration 2 New Order 10,738,653 1,016
Payment 10,738,649
Order Status 1,073,864
Delivery 1,073,864
Stock Level 1,073,864
Customer Report 10,738,654
Calibration 3 New Order 10,712,171 1,015
Payment 10,712,171
Order Status 1,071,216
Delivery 1,071,216
Stock Level 1,071,217
Customer Report 10,712,172
100% 99.6% New Order 10,680,787 1,015
Payment 10,680,784
Order Status 1,068,078
Delivery 1,068,079
Stock Level 1,068,080
Customer Report 10,680,783
90% 89.8% New Order 9,627,855 1,015
Payment 9,627,853
Order Status 962,787
Delivery 962,784
Stock Level 962,785
Customer Report 9,627,855
80% 80.5% New Order 8,632,600 1,016
Payment 8,632,596
Order Status 863,259
Delivery 863,259
Stock Level 863,259
Customer Report 8,632,600
70% 69.5% New Order 7,456,748 1,016
Payment 7,456,748
Order Status 745,675
Delivery 745,674
Stock Level 745,676
Customer Report 7,456,746
60% 60.2% New Order 6,456,307 1,016
Payment 6,456,311
Order Status 645,631
Delivery 645,632
Stock Level 645,630
Customer Report 6,456,313
50% 50.8% New Order 5,445,036 1,016
Payment 5,445,037
Order Status 544,504
Delivery 544,504
Stock Level 544,505
Customer Report 5,445,045
40% 40.0% New Order 4,290,507 1,016
Payment 4,290,507
Order Status 429,051
Delivery 429,051
Stock Level 429,051
Customer Report 4,290,508
30% 30.5% New Order 3,266,102 1,016
Payment 3,266,102
Order Status 326,610
Delivery 326,611
Stock Level 326,610
Customer Report 3,266,100
20% 20.1% New Order 2,151,393 1,015
Payment 2,151,397
Order Status 215,139
Delivery 215,140
Stock Level 215,139
Customer Report 2,151,397
10% 9.8% New Order 1,047,881 1,016
Payment 1,047,877
Order Status 104,787
Delivery 104,787
Stock Level 104,788
Customer Report 1,047,880
Active Idle New Order 0 1,016
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0