Dell Inc. PowerEdge XR8720t (Intel Xeon 6766P-B) ssj_ops@100% = 153,475
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     156,332
Calibration 2     154,016
Calibration 3     153,716
ssj_ops@calibrated=153,866
100% 99.7% 153,866 153,475
90% 89.8% 138,480 138,215
80% 79.8% 123,093 122,781
70% 70.4% 107,706 108,308
60% 60.2% 92,320 92,588
50% 50.4% 76,933 77,612
40% 39.8% 61,546 61,219
30% 30.2% 46,160 46,464
20% 19.9% 30,773 30,661
10% 10.0% 15,387 15,321
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 11,370,184 1,016
Payment 11,370,178
Order Status 1,137,018
Delivery 1,137,018
Stock Level 1,137,019
Customer Report 11,370,177
Calibration 2 New Order 11,201,210 1,016
Payment 11,201,206
Order Status 1,120,121
Delivery 1,120,120
Stock Level 1,120,120
Customer Report 11,201,209
Calibration 3 New Order 11,179,550 1,015
Payment 11,179,555
Order Status 1,117,954
Delivery 1,117,955
Stock Level 1,117,956
Customer Report 11,179,554
100% 99.7% New Order 11,161,836 1,014
Payment 11,161,830
Order Status 1,116,183
Delivery 1,116,183
Stock Level 1,116,183
Customer Report 11,161,841
90% 89.8% New Order 10,052,021 1,016
Payment 10,052,018
Order Status 1,005,202
Delivery 1,005,203
Stock Level 1,005,202
Customer Report 10,052,021
80% 79.8% New Order 8,929,594 1,015
Payment 8,929,596
Order Status 892,959
Delivery 892,960
Stock Level 892,960
Customer Report 8,929,602
70% 70.4% New Order 7,876,995 1,016
Payment 7,876,995
Order Status 787,700
Delivery 787,700
Stock Level 787,700
Customer Report 7,877,000
60% 60.2% New Order 6,733,679 1,016
Payment 6,733,675
Order Status 673,368
Delivery 673,368
Stock Level 673,367
Customer Report 6,733,684
50% 50.4% New Order 5,644,499 1,016
Payment 5,644,497
Order Status 564,449
Delivery 564,449
Stock Level 564,450
Customer Report 5,644,503
40% 39.8% New Order 4,452,418 1,016
Payment 4,452,415
Order Status 445,241
Delivery 445,241
Stock Level 445,242
Customer Report 4,452,415
30% 30.2% New Order 3,379,203 1,015
Payment 3,379,203
Order Status 337,921
Delivery 337,920
Stock Level 337,921
Customer Report 3,379,200
20% 19.9% New Order 2,229,977 1,015
Payment 2,229,975
Order Status 222,999
Delivery 222,998
Stock Level 222,997
Customer Report 2,229,977
10% 10.0% New Order 1,114,244 1,015
Payment 1,114,242
Order Status 111,423
Delivery 111,425
Stock Level 111,423
Customer Report 1,114,243
Active Idle New Order 0 1,015
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0