Dell Inc. PowerEdge XR8720t (Intel Xeon 6766P-B) ssj_ops@100% = 156,678
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     158,970
Calibration 2     156,798
Calibration 3     156,550
ssj_ops@calibrated=156,674
100% 100.0% 156,674 156,678
90% 89.7% 141,006 140,494
80% 79.8% 125,339 124,951
70% 69.6% 109,672 109,017
60% 60.1% 94,004 94,227
50% 50.0% 78,337 78,287
40% 39.7% 62,669 62,135
30% 30.2% 47,002 47,312
20% 20.4% 31,335 31,888
10% 10.0% 15,667 15,650
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 11,561,806 1,015
Payment 11,561,806
Order Status 1,156,180
Delivery 1,156,181
Stock Level 1,156,180
Customer Report 11,561,806
Calibration 2 New Order 11,403,474 1,015
Payment 11,403,475
Order Status 1,140,347
Delivery 1,140,348
Stock Level 1,140,348
Customer Report 11,403,478
Calibration 3 New Order 11,385,624 1,016
Payment 11,385,626
Order Status 1,138,563
Delivery 1,138,561
Stock Level 1,138,563
Customer Report 11,385,623
100% 100.0% New Order 11,394,873 1,016
Payment 11,394,873
Order Status 1,139,487
Delivery 1,139,487
Stock Level 1,139,488
Customer Report 11,394,876
90% 89.7% New Order 10,217,719 1,014
Payment 10,217,722
Order Status 1,021,771
Delivery 1,021,772
Stock Level 1,021,770
Customer Report 10,217,718
80% 79.8% New Order 9,087,491 1,012
Payment 9,087,490
Order Status 908,749
Delivery 908,747
Stock Level 908,749
Customer Report 9,087,495
70% 69.6% New Order 7,928,615 1,014
Payment 7,928,609
Order Status 792,862
Delivery 792,861
Stock Level 792,862
Customer Report 7,928,609
60% 60.1% New Order 6,852,863 1,014
Payment 6,852,869
Order Status 685,286
Delivery 685,287
Stock Level 685,287
Customer Report 6,852,870
50% 50.0% New Order 5,693,600 1,014
Payment 5,693,604
Order Status 569,360
Delivery 569,360
Stock Level 569,360
Customer Report 5,693,604
40% 39.7% New Order 4,518,890 1,014
Payment 4,518,896
Order Status 451,887
Delivery 451,891
Stock Level 451,890
Customer Report 4,518,898
30% 30.2% New Order 3,440,868 1,014
Payment 3,440,868
Order Status 344,087
Delivery 344,087
Stock Level 344,086
Customer Report 3,440,870
20% 20.4% New Order 2,319,105 1,014
Payment 2,319,102
Order Status 231,912
Delivery 231,910
Stock Level 231,909
Customer Report 2,319,101
10% 10.0% New Order 1,138,181 1,014
Payment 1,138,179
Order Status 113,819
Delivery 113,819
Stock Level 113,818
Customer Report 1,138,184
Active Idle New Order 0 1,014
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0