Dell Inc. PowerEdge XR8720t (Intel Xeon 6766P-B) ssj_ops@100% = 147,876
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     149,754
Calibration 2     147,717
Calibration 3     147,546
ssj_ops@calibrated=147,631
100% 100.2% 147,631 147,876
90% 90.7% 132,868 133,883
80% 79.0% 118,105 116,691
70% 69.8% 103,342 103,107
60% 58.9% 88,579 87,006
50% 49.8% 73,816 73,522
40% 39.7% 59,053 58,608
30% 30.4% 44,289 44,930
20% 19.9% 29,526 29,445
10% 10.1% 14,763 14,859
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 10,891,407 1,016
Payment 10,891,404
Order Status 1,089,141
Delivery 1,089,140
Stock Level 1,089,142
Customer Report 10,891,408
Calibration 2 New Order 10,743,056 1,015
Payment 10,743,048
Order Status 1,074,306
Delivery 1,074,305
Stock Level 1,074,306
Customer Report 10,743,058
Calibration 3 New Order 10,730,656 1,016
Payment 10,730,650
Order Status 1,073,064
Delivery 1,073,065
Stock Level 1,073,066
Customer Report 10,730,656
100% 100.2% New Order 10,754,778 1,016
Payment 10,754,781
Order Status 1,075,478
Delivery 1,075,478
Stock Level 1,075,479
Customer Report 10,754,782
90% 90.7% New Order 9,736,941 1,015
Payment 9,736,938
Order Status 973,696
Delivery 973,694
Stock Level 973,694
Customer Report 9,736,937
80% 79.0% New Order 8,486,640 1,016
Payment 8,486,633
Order Status 848,665
Delivery 848,664
Stock Level 848,664
Customer Report 8,486,636
70% 69.8% New Order 7,498,689 1,015
Payment 7,498,686
Order Status 749,870
Delivery 749,866
Stock Level 749,869
Customer Report 7,498,692
60% 58.9% New Order 6,327,752 1,015
Payment 6,327,755
Order Status 632,774
Delivery 632,776
Stock Level 632,774
Customer Report 6,327,752
50% 49.8% New Order 5,347,103 1,016
Payment 5,347,099
Order Status 534,710
Delivery 534,711
Stock Level 534,711
Customer Report 5,347,100
40% 39.7% New Order 4,262,451 1,015
Payment 4,262,454
Order Status 426,245
Delivery 426,246
Stock Level 426,247
Customer Report 4,262,454
30% 30.4% New Order 3,267,679 1,014
Payment 3,267,675
Order Status 326,768
Delivery 326,770
Stock Level 326,766
Customer Report 3,267,677
20% 19.9% New Order 2,141,477 1,015
Payment 2,141,477
Order Status 214,149
Delivery 214,146
Stock Level 214,147
Customer Report 2,141,475
10% 10.1% New Order 1,080,708 1,016
Payment 1,080,707
Order Status 108,070
Delivery 108,073
Stock Level 108,070
Customer Report 1,080,708
Active Idle New Order 0 1,016
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0