Dell Inc. PowerEdge XR8720t (Intel Xeon 6766P-B) ssj_ops@100% = 147,741
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     149,737
Calibration 2     148,232
Calibration 3     147,532
ssj_ops@calibrated=147,882
100% 99.9% 147,882 147,741
90% 90.3% 133,094 133,501
80% 80.0% 118,306 118,342
70% 69.8% 103,517 103,242
60% 60.4% 88,729 89,259
50% 49.8% 73,941 73,665
40% 39.7% 59,153 58,768
30% 29.9% 44,365 44,279
20% 19.7% 29,576 29,183
10% 9.7% 14,788 14,347
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 10,890,311 1,015
Payment 10,890,315
Order Status 1,089,032
Delivery 1,089,031
Stock Level 1,089,031
Customer Report 10,890,313
Calibration 2 New Order 10,780,557 1,014
Payment 10,780,550
Order Status 1,078,056
Delivery 1,078,055
Stock Level 1,078,055
Customer Report 10,780,551
Calibration 3 New Order 10,729,582 1,014
Payment 10,729,581
Order Status 1,072,959
Delivery 1,072,958
Stock Level 1,072,959
Customer Report 10,729,582
100% 99.9% New Order 10,744,875 1,015
Payment 10,744,875
Order Status 1,074,487
Delivery 1,074,487
Stock Level 1,074,488
Customer Report 10,744,878
90% 90.3% New Order 9,709,142 1,015
Payment 9,709,140
Order Status 970,914
Delivery 970,913
Stock Level 970,914
Customer Report 9,709,138
80% 80.0% New Order 8,606,745 1,015
Payment 8,606,741
Order Status 860,673
Delivery 860,675
Stock Level 860,674
Customer Report 8,606,743
70% 69.8% New Order 7,508,558 1,014
Payment 7,508,555
Order Status 750,857
Delivery 750,855
Stock Level 750,855
Customer Report 7,508,558
60% 60.4% New Order 6,491,626 1,014
Payment 6,491,625
Order Status 649,161
Delivery 649,161
Stock Level 649,161
Customer Report 6,491,621
50% 49.8% New Order 5,357,488 1,015
Payment 5,357,493
Order Status 535,748
Delivery 535,747
Stock Level 535,750
Customer Report 5,357,488
40% 39.7% New Order 4,274,041 1,014
Payment 4,274,037
Order Status 427,404
Delivery 427,403
Stock Level 427,403
Customer Report 4,274,038
30% 29.9% New Order 3,220,351 1,016
Payment 3,220,349
Order Status 322,036
Delivery 322,037
Stock Level 322,034
Customer Report 3,220,348
20% 19.7% New Order 2,122,443 1,014
Payment 2,122,436
Order Status 212,243
Delivery 212,242
Stock Level 212,245
Customer Report 2,122,436
10% 9.7% New Order 1,043,457 1,014
Payment 1,043,461
Order Status 104,347
Delivery 104,346
Stock Level 104,345
Customer Report 1,043,464
Active Idle New Order 0 1,014
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0