Dell Inc. PowerEdge XR8720t (Intel Xeon 6766P-B) ssj_ops@100% = 148,446
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     151,804
Calibration 2     149,567
Calibration 3     149,606
ssj_ops@calibrated=149,586
100% 99.2% 149,586 148,446
90% 90.0% 134,628 134,661
80% 80.2% 119,669 119,948
70% 70.0% 104,710 104,767
60% 60.2% 89,752 90,036
50% 50.4% 74,793 75,418
40% 40.8% 59,835 60,965
30% 30.3% 44,876 45,290
20% 20.0% 29,917 29,867
10% 9.7% 14,959 14,558
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 11,040,466 1,014
Payment 11,040,469
Order Status 1,104,046
Delivery 1,104,045
Stock Level 1,104,047
Customer Report 11,040,464
Calibration 2 New Order 10,877,721 1,014
Payment 10,877,717
Order Status 1,087,773
Delivery 1,087,771
Stock Level 1,087,771
Customer Report 10,877,720
Calibration 3 New Order 10,880,422 1,014
Payment 10,880,419
Order Status 1,088,042
Delivery 1,088,042
Stock Level 1,088,042
Customer Report 10,880,420
100% 99.2% New Order 10,796,115 1,014
Payment 10,796,119
Order Status 1,079,612
Delivery 1,079,613
Stock Level 1,079,611
Customer Report 10,796,119
90% 90.0% New Order 9,793,553 1,014
Payment 9,793,554
Order Status 979,354
Delivery 979,355
Stock Level 979,355
Customer Report 9,793,553
80% 80.2% New Order 8,723,538 1,014
Payment 8,723,539
Order Status 872,353
Delivery 872,355
Stock Level 872,355
Customer Report 8,723,541
70% 70.0% New Order 7,619,457 1,014
Payment 7,619,458
Order Status 761,946
Delivery 761,947
Stock Level 761,945
Customer Report 7,619,462
60% 60.2% New Order 6,548,118 1,014
Payment 6,548,115
Order Status 654,812
Delivery 654,811
Stock Level 654,813
Customer Report 6,548,117
50% 50.4% New Order 5,484,988 1,012
Payment 5,484,989
Order Status 548,498
Delivery 548,498
Stock Level 548,499
Customer Report 5,484,991
40% 40.8% New Order 4,433,836 1,014
Payment 4,433,834
Order Status 443,385
Delivery 443,383
Stock Level 443,384
Customer Report 4,433,835
30% 30.3% New Order 3,293,862 1,014
Payment 3,293,855
Order Status 329,387
Delivery 329,385
Stock Level 329,386
Customer Report 3,293,858
20% 20.0% New Order 2,172,208 1,014
Payment 2,172,208
Order Status 217,220
Delivery 217,221
Stock Level 217,221
Customer Report 2,172,214
10% 9.7% New Order 1,058,789 1,014
Payment 1,058,787
Order Status 105,879
Delivery 105,878
Stock Level 105,878
Customer Report 1,058,789
Active Idle New Order 0 1,014
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0