Dell Inc. PowerEdge XR8720t (Intel Xeon 6766P-B) ssj_ops@100% = 154,892
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     157,385
Calibration 2     155,500
Calibration 3     155,279
ssj_ops@calibrated=155,389
100% 99.7% 155,389 154,892
90% 90.9% 139,850 141,201
80% 80.2% 124,311 124,570
70% 69.6% 108,772 108,097
60% 59.9% 93,233 93,006
50% 50.0% 77,695 77,755
40% 40.3% 62,156 62,549
30% 30.1% 46,617 46,773
20% 20.4% 31,078 31,758
10% 9.7% 15,539 15,021
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 11,446,602 1,016
Payment 11,446,605
Order Status 1,144,661
Delivery 1,144,660
Stock Level 1,144,660
Customer Report 11,446,604
Calibration 2 New Order 11,309,083 1,014
Payment 11,309,088
Order Status 1,130,908
Delivery 1,130,909
Stock Level 1,130,909
Customer Report 11,309,088
Calibration 3 New Order 11,293,007 1,015
Payment 11,293,003
Order Status 1,129,301
Delivery 1,129,301
Stock Level 1,129,300
Customer Report 11,293,009
100% 99.7% New Order 11,265,063 1,014
Payment 11,265,061
Order Status 1,126,505
Delivery 1,126,507
Stock Level 1,126,508
Customer Report 11,265,063
90% 90.9% New Order 10,269,184 1,014
Payment 10,269,186
Order Status 1,026,918
Delivery 1,026,918
Stock Level 1,026,918
Customer Report 10,269,188
80% 80.2% New Order 9,059,629 1,015
Payment 9,059,631
Order Status 905,963
Delivery 905,962
Stock Level 905,964
Customer Report 9,059,629
70% 69.6% New Order 7,861,680 1,014
Payment 7,861,680
Order Status 786,169
Delivery 786,169
Stock Level 786,168
Customer Report 7,861,680
60% 59.9% New Order 6,764,140 1,014
Payment 6,764,140
Order Status 676,412
Delivery 676,413
Stock Level 676,413
Customer Report 6,764,139
50% 50.0% New Order 5,654,952 1,015
Payment 5,654,947
Order Status 565,495
Delivery 565,494
Stock Level 565,495
Customer Report 5,654,947
40% 40.3% New Order 4,549,022 1,014
Payment 4,549,023
Order Status 454,901
Delivery 454,902
Stock Level 454,902
Customer Report 4,549,018
30% 30.1% New Order 3,401,672 1,014
Payment 3,401,672
Order Status 340,167
Delivery 340,167
Stock Level 340,167
Customer Report 3,401,672
20% 20.4% New Order 2,309,713 1,014
Payment 2,309,713
Order Status 230,972
Delivery 230,972
Stock Level 230,972
Customer Report 2,309,714
10% 9.7% New Order 1,092,456 1,014
Payment 1,092,460
Order Status 109,245
Delivery 109,247
Stock Level 109,246
Customer Report 1,092,455
Active Idle New Order 0 1,014
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0