Dell Inc. PowerEdge XR8720t (Intel Xeon 6766P-B) ssj_ops@100% = 150,333
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     152,399
Calibration 2     150,563
Calibration 3     150,339
ssj_ops@calibrated=150,451
100% 99.9% 150,451 150,333
90% 89.2% 135,406 134,244
80% 79.7% 120,361 119,925
70% 69.5% 105,316 104,606
60% 60.3% 90,270 90,741
50% 50.5% 75,225 75,941
40% 40.5% 60,180 60,863
30% 30.0% 45,135 45,149
20% 20.2% 30,090 30,318
10% 9.8% 15,045 14,790
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 11,084,018 1,014
Payment 11,084,019
Order Status 1,108,403
Delivery 1,108,402
Stock Level 1,108,402
Customer Report 11,084,020
Calibration 2 New Order 10,950,194 1,014
Payment 10,950,204
Order Status 1,095,019
Delivery 1,095,022
Stock Level 1,095,019
Customer Report 10,950,199
Calibration 3 New Order 10,933,828 1,014
Payment 10,933,824
Order Status 1,093,383
Delivery 1,093,384
Stock Level 1,093,383
Customer Report 10,933,830
100% 99.9% New Order 10,933,359 1,014
Payment 10,933,363
Order Status 1,093,336
Delivery 1,093,337
Stock Level 1,093,333
Customer Report 10,933,357
90% 89.2% New Order 9,763,249 1,014
Payment 9,763,247
Order Status 976,324
Delivery 976,325
Stock Level 976,324
Customer Report 9,763,243
80% 79.7% New Order 8,721,930 1,015
Payment 8,721,927
Order Status 872,192
Delivery 872,193
Stock Level 872,192
Customer Report 8,721,932
70% 69.5% New Order 7,607,718 1,014
Payment 7,607,715
Order Status 760,771
Delivery 760,773
Stock Level 760,770
Customer Report 7,607,713
60% 60.3% New Order 6,599,405 1,014
Payment 6,599,410
Order Status 659,941
Delivery 659,940
Stock Level 659,939
Customer Report 6,599,408
50% 50.5% New Order 5,522,996 1,014
Payment 5,522,990
Order Status 552,300
Delivery 552,299
Stock Level 552,298
Customer Report 5,522,991
40% 40.5% New Order 4,426,382 1,014
Payment 4,426,382
Order Status 442,638
Delivery 442,637
Stock Level 442,639
Customer Report 4,426,382
30% 30.0% New Order 3,283,599 1,014
Payment 3,283,597
Order Status 328,358
Delivery 328,360
Stock Level 328,358
Customer Report 3,283,593
20% 20.2% New Order 2,204,973 1,014
Payment 2,204,970
Order Status 220,498
Delivery 220,495
Stock Level 220,497
Customer Report 2,204,972
10% 9.8% New Order 1,075,600 1,014
Payment 1,075,605
Order Status 107,560
Delivery 107,561
Stock Level 107,559
Customer Report 1,075,600
Active Idle New Order 0 1,014
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0