Dell Inc. PowerEdge XR8720t (Intel Xeon 6766P-B) ssj_ops@100% = 148,353
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     152,239
Calibration 2     150,144
Calibration 3     150,030
ssj_ops@calibrated=150,087
100% 98.8% 150,087 148,353
90% 89.3% 135,078 133,980
80% 80.1% 120,069 120,187
70% 70.1% 105,061 105,227
60% 60.0% 90,052 90,062
50% 49.8% 75,043 74,705
40% 40.5% 60,035 60,714
30% 29.9% 45,026 44,853
20% 19.8% 30,017 29,727
10% 9.7% 15,009 14,620
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 11,072,265 1,016
Payment 11,072,265
Order Status 1,107,228
Delivery 1,107,226
Stock Level 1,107,227
Customer Report 11,072,263
Calibration 2 New Order 10,919,549 1,015
Payment 10,919,554
Order Status 1,091,956
Delivery 1,091,956
Stock Level 1,091,955
Customer Report 10,919,553
Calibration 3 New Order 10,911,318 1,015
Payment 10,911,316
Order Status 1,091,131
Delivery 1,091,131
Stock Level 1,091,132
Customer Report 10,911,317
100% 98.8% New Order 10,789,401 1,016
Payment 10,789,400
Order Status 1,078,939
Delivery 1,078,940
Stock Level 1,078,941
Customer Report 10,789,404
90% 89.3% New Order 9,743,988 1,016
Payment 9,743,988
Order Status 974,399
Delivery 974,397
Stock Level 974,399
Customer Report 9,743,985
80% 80.1% New Order 8,740,972 1,016
Payment 8,740,973
Order Status 874,098
Delivery 874,097
Stock Level 874,097
Customer Report 8,740,973
70% 70.1% New Order 7,652,884 1,016
Payment 7,652,886
Order Status 765,289
Delivery 765,289
Stock Level 765,288
Customer Report 7,652,884
60% 60.0% New Order 6,549,973 1,016
Payment 6,549,969
Order Status 654,999
Delivery 654,998
Stock Level 654,997
Customer Report 6,549,976
50% 49.8% New Order 5,433,108 1,016
Payment 5,433,112
Order Status 543,311
Delivery 543,310
Stock Level 543,311
Customer Report 5,433,103
40% 40.5% New Order 4,415,644 1,016
Payment 4,415,645
Order Status 441,565
Delivery 441,565
Stock Level 441,564
Customer Report 4,415,649
30% 29.9% New Order 3,262,025 1,015
Payment 3,262,020
Order Status 326,203
Delivery 326,202
Stock Level 326,203
Customer Report 3,262,026
20% 19.8% New Order 2,161,993 1,016
Payment 2,161,994
Order Status 216,199
Delivery 216,199
Stock Level 216,199
Customer Report 2,161,994
10% 9.7% New Order 1,063,331 1,016
Payment 1,063,337
Order Status 106,332
Delivery 106,335
Stock Level 106,332
Customer Report 1,063,333
Active Idle New Order 0 1,016
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0