Dell Inc. PowerEdge XR8720t (Intel Xeon 6766P-B) ssj_ops@100% = 156,396
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     159,335
Calibration 2     156,438
Calibration 3     156,486
ssj_ops@calibrated=156,462
100% 100.0% 156,462 156,396
90% 90.2% 140,816 141,188
80% 79.9% 125,170 124,986
70% 69.0% 109,523 107,972
60% 60.0% 93,877 93,904
50% 50.0% 78,231 78,158
40% 40.1% 62,585 62,747
30% 30.5% 46,939 47,664
20% 20.1% 31,292 31,375
10% 10.0% 15,646 15,641
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 11,588,409 1,015
Payment 11,588,412
Order Status 1,158,841
Delivery 1,158,842
Stock Level 1,158,842
Customer Report 11,588,411
Calibration 2 New Order 11,377,485 1,014
Payment 11,377,489
Order Status 1,137,750
Delivery 1,137,748
Stock Level 1,137,750
Customer Report 11,377,488
Calibration 3 New Order 11,380,786 1,014
Payment 11,380,776
Order Status 1,138,079
Delivery 1,138,079
Stock Level 1,138,079
Customer Report 11,380,779
100% 100.0% New Order 11,374,346 1,014
Payment 11,374,345
Order Status 1,137,435
Delivery 1,137,435
Stock Level 1,137,435
Customer Report 11,374,345
90% 90.2% New Order 10,268,193 1,014
Payment 10,268,191
Order Status 1,026,819
Delivery 1,026,820
Stock Level 1,026,821
Customer Report 10,268,184
80% 79.9% New Order 9,089,880 1,014
Payment 9,089,878
Order Status 908,987
Delivery 908,987
Stock Level 908,986
Customer Report 9,089,875
70% 69.0% New Order 7,852,543 1,011
Payment 7,852,539
Order Status 785,255
Delivery 785,255
Stock Level 785,253
Customer Report 7,852,541
60% 60.0% New Order 6,829,414 1,011
Payment 6,829,413
Order Status 682,942
Delivery 682,942
Stock Level 682,940
Customer Report 6,829,413
50% 50.0% New Order 5,684,239 1,014
Payment 5,684,242
Order Status 568,424
Delivery 568,424
Stock Level 568,424
Customer Report 5,684,245
40% 40.1% New Order 4,563,449 1,014
Payment 4,563,447
Order Status 456,345
Delivery 456,345
Stock Level 456,343
Customer Report 4,563,447
30% 30.5% New Order 3,466,489 1,014
Payment 3,466,488
Order Status 346,648
Delivery 346,648
Stock Level 346,649
Customer Report 3,466,488
20% 20.1% New Order 2,281,896 1,014
Payment 2,281,897
Order Status 228,191
Delivery 228,190
Stock Level 228,191
Customer Report 2,281,901
10% 10.0% New Order 1,137,520 1,014
Payment 1,137,517
Order Status 113,752
Delivery 113,752
Stock Level 113,752
Customer Report 1,137,518
Active Idle New Order 0 1,014
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0