Dell Inc. PowerEdge XR8720t (Intel Xeon 6766P-B) ssj_ops@100% = 157,463
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     160,723
Calibration 2     158,007
Calibration 3     157,535
ssj_ops@calibrated=157,771
100% 99.8% 157,771 157,463
90% 90.0% 141,994 141,917
80% 79.7% 126,217 125,697
70% 70.0% 110,440 110,466
60% 60.0% 94,663 94,622
50% 49.7% 78,885 78,368
40% 40.2% 63,108 63,411
30% 29.9% 47,331 47,153
20% 20.0% 31,554 31,597
10% 10.0% 15,777 15,790
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 11,689,742 1,016
Payment 11,689,739
Order Status 1,168,974
Delivery 1,168,974
Stock Level 1,168,972
Customer Report 11,689,744
Calibration 2 New Order 11,491,451 1,016
Payment 11,491,447
Order Status 1,149,146
Delivery 1,149,145
Stock Level 1,149,145
Customer Report 11,491,448
Calibration 3 New Order 11,457,082 1,016
Payment 11,457,076
Order Status 1,145,707
Delivery 1,145,708
Stock Level 1,145,708
Customer Report 11,457,088
100% 99.8% New Order 11,452,049 1,015
Payment 11,452,047
Order Status 1,145,204
Delivery 1,145,204
Stock Level 1,145,204
Customer Report 11,452,041
90% 90.0% New Order 10,321,233 1,016
Payment 10,321,232
Order Status 1,032,122
Delivery 1,032,124
Stock Level 1,032,123
Customer Report 10,321,236
80% 79.7% New Order 9,141,637 1,015
Payment 9,141,640
Order Status 914,165
Delivery 914,165
Stock Level 914,165
Customer Report 9,141,635
70% 70.0% New Order 8,033,940 1,014
Payment 8,033,943
Order Status 803,396
Delivery 803,395
Stock Level 803,394
Customer Report 8,033,940
60% 60.0% New Order 6,881,639 1,014
Payment 6,881,632
Order Status 688,164
Delivery 688,165
Stock Level 688,164
Customer Report 6,881,638
50% 49.7% New Order 5,699,507 1,015
Payment 5,699,504
Order Status 569,949
Delivery 569,951
Stock Level 569,950
Customer Report 5,699,507
40% 40.2% New Order 4,611,732 1,014
Payment 4,611,730
Order Status 461,175
Delivery 461,173
Stock Level 461,174
Customer Report 4,611,730
30% 29.9% New Order 3,429,320 1,015
Payment 3,429,322
Order Status 342,931
Delivery 342,933
Stock Level 342,931
Customer Report 3,429,319
20% 20.0% New Order 2,297,966 1,014
Payment 2,297,968
Order Status 229,798
Delivery 229,796
Stock Level 229,796
Customer Report 2,297,972
10% 10.0% New Order 1,148,378 1,014
Payment 1,148,380
Order Status 114,839
Delivery 114,838
Stock Level 114,838
Customer Report 1,148,382
Active Idle New Order 0 1,014
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0