Dell Inc. PowerEdge XR8720t (Intel Xeon 6766P-B) ssj_ops@100% = 156,000
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     158,397
Calibration 2     156,270
Calibration 3     156,047
ssj_ops@calibrated=156,159
100% 99.9% 156,159 156,000
90% 90.8% 140,543 141,727
80% 80.8% 124,927 126,106
70% 70.0% 109,311 109,385
60% 60.2% 93,695 93,930
50% 50.4% 78,079 78,742
40% 40.2% 62,463 62,740
30% 30.3% 46,848 47,349
20% 20.0% 31,232 31,248
10% 10.0% 15,616 15,690
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 11,520,384 1,014
Payment 11,520,384
Order Status 1,152,039
Delivery 1,152,039
Stock Level 1,152,039
Customer Report 11,520,390
Calibration 2 New Order 11,365,121 1,014
Payment 11,365,114
Order Status 1,136,511
Delivery 1,136,512
Stock Level 1,136,512
Customer Report 11,365,119
Calibration 3 New Order 11,348,912 1,015
Payment 11,348,916
Order Status 1,134,891
Delivery 1,134,892
Stock Level 1,134,892
Customer Report 11,348,920
100% 99.9% New Order 11,345,478 1,015
Payment 11,345,478
Order Status 1,134,548
Delivery 1,134,549
Stock Level 1,134,546
Customer Report 11,345,478
90% 90.8% New Order 10,307,453 1,015
Payment 10,307,449
Order Status 1,030,746
Delivery 1,030,745
Stock Level 1,030,746
Customer Report 10,307,452
80% 80.8% New Order 9,171,526 1,015
Payment 9,171,530
Order Status 917,153
Delivery 917,153
Stock Level 917,152
Customer Report 9,171,529
70% 70.0% New Order 7,955,384 1,015
Payment 7,955,386
Order Status 795,539
Delivery 795,538
Stock Level 795,540
Customer Report 7,955,386
60% 60.2% New Order 6,831,299 1,014
Payment 6,831,300
Order Status 683,132
Delivery 683,130
Stock Level 683,130
Customer Report 6,831,302
50% 50.4% New Order 5,726,678 1,016
Payment 5,726,684
Order Status 572,668
Delivery 572,668
Stock Level 572,667
Customer Report 5,726,682
40% 40.2% New Order 4,562,971 1,014
Payment 4,562,969
Order Status 456,297
Delivery 456,298
Stock Level 456,297
Customer Report 4,562,972
30% 30.3% New Order 3,443,576 1,015
Payment 3,443,574
Order Status 344,357
Delivery 344,357
Stock Level 344,358
Customer Report 3,443,575
20% 20.0% New Order 2,272,576 1,014
Payment 2,272,579
Order Status 227,259
Delivery 227,258
Stock Level 227,258
Customer Report 2,272,585
10% 10.0% New Order 1,141,131 1,015
Payment 1,141,136
Order Status 114,113
Delivery 114,112
Stock Level 114,113
Customer Report 1,141,135
Active Idle New Order 0 1,015
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0