Dell Inc. PowerEdge XR8720t (Intel Xeon 6766P-B) ssj_ops@100% = 155,300
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     158,869
Calibration 2     156,473
Calibration 3     156,534
ssj_ops@calibrated=156,504
100% 99.2% 156,504 155,300
90% 89.9% 140,853 140,638
80% 79.5% 125,203 124,492
70% 69.8% 109,553 109,230
60% 59.8% 93,902 93,605
50% 50.2% 78,252 78,512
40% 39.9% 62,601 62,513
30% 30.4% 46,951 47,546
20% 20.0% 31,301 31,313
10% 9.9% 15,650 15,436
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 11,554,491 1,016
Payment 11,554,493
Order Status 1,155,449
Delivery 1,155,449
Stock Level 1,155,449
Customer Report 11,554,492
Calibration 2 New Order 11,380,051 1,016
Payment 11,380,055
Order Status 1,138,004
Delivery 1,138,005
Stock Level 1,138,007
Customer Report 11,380,052
Calibration 3 New Order 11,384,302 1,016
Payment 11,384,299
Order Status 1,138,430
Delivery 1,138,430
Stock Level 1,138,430
Customer Report 11,384,295
100% 99.2% New Order 11,294,723 1,016
Payment 11,294,729
Order Status 1,129,474
Delivery 1,129,471
Stock Level 1,129,472
Customer Report 11,294,732
90% 89.9% New Order 10,228,272 1,015
Payment 10,228,276
Order Status 1,022,828
Delivery 1,022,826
Stock Level 1,022,828
Customer Report 10,228,274
80% 79.5% New Order 9,053,934 1,016
Payment 9,053,934
Order Status 905,394
Delivery 905,393
Stock Level 905,392
Customer Report 9,053,942
70% 69.8% New Order 7,943,986 1,015
Payment 7,943,990
Order Status 794,398
Delivery 794,399
Stock Level 794,400
Customer Report 7,943,982
60% 59.8% New Order 6,807,614 1,015
Payment 6,807,602
Order Status 680,761
Delivery 680,760
Stock Level 680,761
Customer Report 6,807,609
50% 50.2% New Order 5,709,984 1,016
Payment 5,709,982
Order Status 570,998
Delivery 570,998
Stock Level 570,998
Customer Report 5,709,983
40% 39.9% New Order 4,546,422 1,016
Payment 4,546,429
Order Status 454,641
Delivery 454,643
Stock Level 454,643
Customer Report 4,546,423
30% 30.4% New Order 3,457,930 1,016
Payment 3,457,936
Order Status 345,794
Delivery 345,793
Stock Level 345,791
Customer Report 3,457,931
20% 20.0% New Order 2,277,367 1,016
Payment 2,277,369
Order Status 227,738
Delivery 227,737
Stock Level 227,737
Customer Report 2,277,372
10% 9.9% New Order 1,122,614 1,015
Payment 1,122,616
Order Status 112,261
Delivery 112,260
Stock Level 112,262
Customer Report 1,122,611
Active Idle New Order 0 1,015
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0