Dell Inc. PowerEdge XR8720t (Intel Xeon 6766P-B) ssj_ops@100% = 139,042
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     141,670
Calibration 2     140,106
Calibration 3     139,468
ssj_ops@calibrated=139,787
100% 99.5% 139,787 139,042
90% 89.2% 125,808 124,741
80% 79.7% 111,830 111,428
70% 69.4% 97,851 96,964
60% 60.0% 83,872 83,898
50% 49.9% 69,894 69,793
40% 40.2% 55,915 56,184
30% 30.1% 41,936 42,135
20% 20.0% 27,957 28,016
10% 10.2% 13,979 14,296
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 10,303,653 1,015
Payment 10,303,659
Order Status 1,030,365
Delivery 1,030,364
Stock Level 1,030,367
Customer Report 10,303,655
Calibration 2 New Order 10,189,555 1,015
Payment 10,189,554
Order Status 1,018,955
Delivery 1,018,954
Stock Level 1,018,955
Customer Report 10,189,551
Calibration 3 New Order 10,143,148 1,016
Payment 10,143,159
Order Status 1,014,314
Delivery 1,014,316
Stock Level 1,014,315
Customer Report 10,143,155
100% 99.5% New Order 10,112,166 1,015
Payment 10,112,166
Order Status 1,011,217
Delivery 1,011,216
Stock Level 1,011,217
Customer Report 10,112,169
90% 89.2% New Order 9,072,069 1,016
Payment 9,072,062
Order Status 907,206
Delivery 907,206
Stock Level 907,206
Customer Report 9,072,071
80% 79.7% New Order 8,103,874 1,014
Payment 8,103,876
Order Status 810,388
Delivery 810,387
Stock Level 810,388
Customer Report 8,103,868
70% 69.4% New Order 7,051,918 1,014
Payment 7,051,925
Order Status 705,190
Delivery 705,192
Stock Level 705,192
Customer Report 7,051,923
60% 60.0% New Order 6,101,648 1,016
Payment 6,101,647
Order Status 610,166
Delivery 610,165
Stock Level 610,165
Customer Report 6,101,647
50% 49.9% New Order 5,075,946 1,014
Payment 5,075,948
Order Status 507,595
Delivery 507,595
Stock Level 507,596
Customer Report 5,075,950
40% 40.2% New Order 4,086,123 1,015
Payment 4,086,128
Order Status 408,612
Delivery 408,612
Stock Level 408,614
Customer Report 4,086,130
30% 30.1% New Order 3,064,383 1,014
Payment 3,064,384
Order Status 306,440
Delivery 306,438
Stock Level 306,438
Customer Report 3,064,387
20% 20.0% New Order 2,037,559 1,015
Payment 2,037,565
Order Status 203,756
Delivery 203,756
Stock Level 203,757
Customer Report 2,037,563
10% 10.2% New Order 1,039,735 1,015
Payment 1,039,741
Order Status 103,975
Delivery 103,974
Stock Level 103,974
Customer Report 1,039,735
Active Idle New Order 0 1,015
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0