Dell Inc. PowerEdge XR8720t (Intel Xeon 6766P-B) ssj_ops@100% = 153,846
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     155,788
Calibration 2     154,243
Calibration 3     153,715
ssj_ops@calibrated=153,979
100% 99.9% 153,979 153,846
90% 90.0% 138,581 138,561
80% 80.7% 123,183 124,222
70% 70.5% 107,785 108,481
60% 59.3% 92,387 91,282
50% 50.1% 76,990 77,173
40% 39.4% 61,592 60,652
30% 29.7% 46,194 45,745
20% 19.8% 30,796 30,547
10% 9.8% 15,398 15,154
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 11,330,366 1,014
Payment 11,330,357
Order Status 1,133,035
Delivery 1,133,036
Stock Level 1,133,036
Customer Report 11,330,359
Calibration 2 New Order 11,217,695 1,014
Payment 11,217,699
Order Status 1,121,769
Delivery 1,121,770
Stock Level 1,121,770
Customer Report 11,217,698
Calibration 3 New Order 11,179,391 1,014
Payment 11,179,400
Order Status 1,117,940
Delivery 1,117,939
Stock Level 1,117,940
Customer Report 11,179,395
100% 99.9% New Order 11,188,829 1,014
Payment 11,188,825
Order Status 1,118,882
Delivery 1,118,882
Stock Level 1,118,881
Customer Report 11,188,825
90% 90.0% New Order 10,077,189 1,014
Payment 10,077,190
Order Status 1,007,719
Delivery 1,007,718
Stock Level 1,007,720
Customer Report 10,077,191
80% 80.7% New Order 9,034,401 1,014
Payment 9,034,405
Order Status 903,440
Delivery 903,440
Stock Level 903,440
Customer Report 9,034,404
70% 70.5% New Order 7,889,560 1,014
Payment 7,889,567
Order Status 788,956
Delivery 788,956
Stock Level 788,957
Customer Report 7,889,567
60% 59.3% New Order 6,638,662 1,015
Payment 6,638,665
Order Status 663,866
Delivery 663,866
Stock Level 663,866
Customer Report 6,638,664
50% 50.1% New Order 5,612,567 1,014
Payment 5,612,565
Order Status 561,257
Delivery 561,255
Stock Level 561,257
Customer Report 5,612,565
40% 39.4% New Order 4,411,139 1,015
Payment 4,411,136
Order Status 441,113
Delivery 441,115
Stock Level 441,114
Customer Report 4,411,139
30% 29.7% New Order 3,326,940 1,011
Payment 3,326,940
Order Status 332,695
Delivery 332,694
Stock Level 332,693
Customer Report 3,326,937
20% 19.8% New Order 2,221,647 1,014
Payment 2,221,650
Order Status 222,166
Delivery 222,166
Stock Level 222,163
Customer Report 2,221,645
10% 9.8% New Order 1,102,123 1,014
Payment 1,102,121
Order Status 110,212
Delivery 110,212
Stock Level 110,214
Customer Report 1,102,118
Active Idle New Order 0 1,014
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0