Dell Inc. PowerEdge XR8720t (Intel Xeon 6766P-B) ssj_ops@100% = 153,942
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     156,644
Calibration 2     154,701
Calibration 3     154,470
ssj_ops@calibrated=154,585
100% 99.6% 154,585 153,942
90% 90.1% 139,127 139,328
80% 79.4% 123,668 122,763
70% 70.6% 108,210 109,140
60% 60.5% 92,751 93,501
50% 49.9% 77,293 77,065
40% 39.4% 61,834 60,899
30% 30.2% 46,376 46,747
20% 20.4% 30,917 31,578
10% 9.9% 15,459 15,292
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 11,392,457 1,014
Payment 11,392,461
Order Status 1,139,247
Delivery 1,139,246
Stock Level 1,139,245
Customer Report 11,392,455
Calibration 2 New Order 11,251,038 1,014
Payment 11,251,036
Order Status 1,125,103
Delivery 1,125,106
Stock Level 1,125,103
Customer Report 11,251,039
Calibration 3 New Order 11,234,199 1,012
Payment 11,234,199
Order Status 1,123,420
Delivery 1,123,420
Stock Level 1,123,421
Customer Report 11,234,198
100% 99.6% New Order 11,195,893 1,014
Payment 11,195,893
Order Status 1,119,589
Delivery 1,119,589
Stock Level 1,119,589
Customer Report 11,195,892
90% 90.1% New Order 10,132,998 1,014
Payment 10,132,994
Order Status 1,013,299
Delivery 1,013,299
Stock Level 1,013,299
Customer Report 10,132,995
80% 79.4% New Order 8,928,258 1,014
Payment 8,928,256
Order Status 892,827
Delivery 892,825
Stock Level 892,826
Customer Report 8,928,259
70% 70.6% New Order 7,937,488 1,014
Payment 7,937,491
Order Status 793,749
Delivery 793,751
Stock Level 793,750
Customer Report 7,937,495
60% 60.5% New Order 6,800,063 1,014
Payment 6,800,061
Order Status 680,007
Delivery 680,006
Stock Level 680,007
Customer Report 6,800,061
50% 49.9% New Order 5,604,717 1,014
Payment 5,604,716
Order Status 560,472
Delivery 560,473
Stock Level 560,471
Customer Report 5,604,715
40% 39.4% New Order 4,429,054 1,015
Payment 4,429,055
Order Status 442,905
Delivery 442,905
Stock Level 442,904
Customer Report 4,429,047
30% 30.2% New Order 3,399,781 1,015
Payment 3,399,781
Order Status 339,980
Delivery 339,977
Stock Level 339,978
Customer Report 3,399,776
20% 20.4% New Order 2,296,570 1,018
Payment 2,296,571
Order Status 229,657
Delivery 229,656
Stock Level 229,657
Customer Report 2,296,571
10% 9.9% New Order 1,112,109 1,018
Payment 1,112,113
Order Status 111,212
Delivery 111,212
Stock Level 111,211
Customer Report 1,112,111
Active Idle New Order 0 1,018
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0