Dell Inc. PowerEdge XR8720t (Intel Xeon 6766P-B) ssj_ops@100% = 155,092
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     158,193
Calibration 2     155,706
Calibration 3     155,379
ssj_ops@calibrated=155,543
100% 99.7% 155,543 155,092
90% 90.0% 139,988 139,924
80% 80.5% 124,434 125,218
70% 70.0% 108,880 108,956
60% 59.5% 93,326 92,480
50% 49.4% 77,771 76,915
40% 40.1% 62,217 62,324
30% 29.8% 46,663 46,416
20% 20.3% 31,109 31,578
10% 9.8% 15,554 15,254
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 11,505,368 1,014
Payment 11,505,366
Order Status 1,150,538
Delivery 1,150,536
Stock Level 1,150,536
Customer Report 11,505,369
Calibration 2 New Order 11,324,162 1,016
Payment 11,324,164
Order Status 1,132,416
Delivery 1,132,416
Stock Level 1,132,417
Customer Report 11,324,160
Calibration 3 New Order 11,300,317 1,016
Payment 11,300,312
Order Status 1,130,032
Delivery 1,130,032
Stock Level 1,130,032
Customer Report 11,300,316
100% 99.7% New Order 11,279,421 1,016
Payment 11,279,421
Order Status 1,127,941
Delivery 1,127,942
Stock Level 1,127,942
Customer Report 11,279,419
90% 90.0% New Order 10,176,308 1,015
Payment 10,176,308
Order Status 1,017,630
Delivery 1,017,632
Stock Level 1,017,631
Customer Report 10,176,306
80% 80.5% New Order 9,106,789 1,016
Payment 9,106,786
Order Status 910,677
Delivery 910,678
Stock Level 910,679
Customer Report 9,106,784
70% 70.0% New Order 7,924,108 1,016
Payment 7,924,109
Order Status 792,411
Delivery 792,410
Stock Level 792,412
Customer Report 7,924,102
60% 59.5% New Order 6,725,864 1,016
Payment 6,725,867
Order Status 672,587
Delivery 672,587
Stock Level 672,586
Customer Report 6,725,867
50% 49.4% New Order 5,593,830 1,016
Payment 5,593,827
Order Status 559,384
Delivery 559,383
Stock Level 559,384
Customer Report 5,593,830
40% 40.1% New Order 4,532,673 1,015
Payment 4,532,672
Order Status 453,266
Delivery 453,268
Stock Level 453,267
Customer Report 4,532,665
30% 29.8% New Order 3,375,736 1,015
Payment 3,375,738
Order Status 337,574
Delivery 337,574
Stock Level 337,573
Customer Report 3,375,735
20% 20.3% New Order 2,296,578 1,014
Payment 2,296,572
Order Status 229,657
Delivery 229,658
Stock Level 229,659
Customer Report 2,296,575
10% 9.8% New Order 1,109,394 1,014
Payment 1,109,393
Order Status 110,940
Delivery 110,940
Stock Level 110,940
Customer Report 1,109,393
Active Idle New Order 0 1,014
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0