Dell Inc. PowerEdge XR8720t (Intel Xeon 6766P-B) ssj_ops@100% = 154,933
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     158,071
Calibration 2     155,530
Calibration 3     155,333
ssj_ops@calibrated=155,432
100% 99.7% 155,432 154,933
90% 89.7% 139,888 139,450
80% 80.7% 124,345 125,445
70% 70.0% 108,802 108,839
60% 59.8% 93,259 92,923
50% 49.8% 77,716 77,420
40% 39.5% 62,173 61,420
30% 30.5% 46,629 47,402
20% 19.8% 31,086 30,729
10% 10.2% 15,543 15,929
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 11,496,702 1,015
Payment 11,496,701
Order Status 1,149,670
Delivery 1,149,671
Stock Level 1,149,672
Customer Report 11,496,701
Calibration 2 New Order 11,311,320 1,014
Payment 11,311,314
Order Status 1,131,133
Delivery 1,131,134
Stock Level 1,131,132
Customer Report 11,311,320
Calibration 3 New Order 11,296,966 1,014
Payment 11,296,959
Order Status 1,129,697
Delivery 1,129,696
Stock Level 1,129,697
Customer Report 11,296,965
100% 99.7% New Order 11,267,963 1,016
Payment 11,267,967
Order Status 1,126,796
Delivery 1,126,797
Stock Level 1,126,797
Customer Report 11,267,965
90% 89.7% New Order 10,141,858 1,015
Payment 10,141,851
Order Status 1,014,186
Delivery 1,014,185
Stock Level 1,014,185
Customer Report 10,141,857
80% 80.7% New Order 9,123,396 1,014
Payment 9,123,393
Order Status 912,339
Delivery 912,339
Stock Level 912,339
Customer Report 9,123,397
70% 70.0% New Order 7,915,690 1,016
Payment 7,915,680
Order Status 791,568
Delivery 791,569
Stock Level 791,571
Customer Report 7,915,685
60% 59.8% New Order 6,758,046 1,014
Payment 6,758,047
Order Status 675,805
Delivery 675,804
Stock Level 675,804
Customer Report 6,758,048
50% 49.8% New Order 5,630,563 1,015
Payment 5,630,564
Order Status 563,057
Delivery 563,055
Stock Level 563,058
Customer Report 5,630,566
40% 39.5% New Order 4,466,925 1,014
Payment 4,466,927
Order Status 446,694
Delivery 446,692
Stock Level 446,693
Customer Report 4,466,923
30% 30.5% New Order 3,447,399 1,014
Payment 3,447,400
Order Status 344,740
Delivery 344,741
Stock Level 344,741
Customer Report 3,447,398
20% 19.8% New Order 2,234,846 1,014
Payment 2,234,847
Order Status 223,487
Delivery 223,485
Stock Level 223,485
Customer Report 2,234,850
10% 10.2% New Order 1,158,506 1,014
Payment 1,158,510
Order Status 115,852
Delivery 115,852
Stock Level 115,851
Customer Report 1,158,509
Active Idle New Order 0 1,014
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0