Dell Inc. PowerEdge XR8720t (Intel Xeon 6766P-B) ssj_ops@100% = 155,648
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     158,755
Calibration 2     156,441
Calibration 3     156,393
ssj_ops@calibrated=156,417
100% 99.5% 156,417 155,648
90% 89.4% 140,775 139,798
80% 80.3% 125,134 125,654
70% 70.1% 109,492 109,643
60% 59.9% 93,850 93,707
50% 50.0% 78,209 78,173
40% 40.3% 62,567 63,080
30% 29.7% 46,925 46,448
20% 20.2% 31,283 31,579
10% 10.2% 15,642 15,915
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 11,546,273 1,014
Payment 11,546,279
Order Status 1,154,628
Delivery 1,154,627
Stock Level 1,154,629
Customer Report 11,546,276
Calibration 2 New Order 11,377,539 1,016
Payment 11,377,537
Order Status 1,137,753
Delivery 1,137,753
Stock Level 1,137,754
Customer Report 11,377,531
Calibration 3 New Order 11,374,075 1,016
Payment 11,374,075
Order Status 1,137,407
Delivery 1,137,408
Stock Level 1,137,408
Customer Report 11,374,081
100% 99.5% New Order 11,319,901 1,015
Payment 11,319,902
Order Status 1,131,991
Delivery 1,131,989
Stock Level 1,131,990
Customer Report 11,319,898
90% 89.4% New Order 10,167,115 1,016
Payment 10,167,117
Order Status 1,016,712
Delivery 1,016,711
Stock Level 1,016,713
Customer Report 10,167,111
80% 80.3% New Order 9,138,632 1,016
Payment 9,138,637
Order Status 913,863
Delivery 913,863
Stock Level 913,863
Customer Report 9,138,628
70% 70.1% New Order 7,974,085 1,015
Payment 7,974,077
Order Status 797,408
Delivery 797,408
Stock Level 797,409
Customer Report 7,974,079
60% 59.9% New Order 6,815,051 1,015
Payment 6,815,054
Order Status 681,507
Delivery 681,505
Stock Level 681,505
Customer Report 6,815,059
50% 50.0% New Order 5,685,344 1,015
Payment 5,685,351
Order Status 568,535
Delivery 568,535
Stock Level 568,535
Customer Report 5,685,349
40% 40.3% New Order 4,587,719 1,014
Payment 4,587,717
Order Status 458,773
Delivery 458,772
Stock Level 458,772
Customer Report 4,587,721
30% 29.7% New Order 3,378,099 1,016
Payment 3,378,097
Order Status 337,810
Delivery 337,810
Stock Level 337,810
Customer Report 3,378,094
20% 20.2% New Order 2,296,680 1,016
Payment 2,296,679
Order Status 229,668
Delivery 229,668
Stock Level 229,669
Customer Report 2,296,681
10% 10.2% New Order 1,157,472 1,015
Payment 1,157,475
Order Status 115,747
Delivery 115,748
Stock Level 115,748
Customer Report 1,157,470
Active Idle New Order 0 1,015
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0