Dell Inc. PowerEdge XR8720t (Intel Xeon 6766P-B) ssj_ops@100% = 156,206
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     158,404
Calibration 2     156,493
Calibration 3     156,372
ssj_ops@calibrated=156,433
100% 99.9% 156,433 156,206
90% 90.2% 140,789 141,052
80% 79.7% 125,146 124,628
70% 69.8% 109,503 109,218
60% 60.6% 93,860 94,830
50% 50.2% 78,216 78,477
40% 39.9% 62,573 62,352
30% 29.8% 46,930 46,554
20% 20.0% 31,287 31,325
10% 9.9% 15,643 15,458
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 11,520,797 1,015
Payment 11,520,801
Order Status 1,152,079
Delivery 1,152,080
Stock Level 1,152,080
Customer Report 11,520,798
Calibration 2 New Order 11,381,359 1,014
Payment 11,381,361
Order Status 1,138,137
Delivery 1,138,135
Stock Level 1,138,137
Customer Report 11,381,361
Calibration 3 New Order 11,372,552 1,014
Payment 11,372,557
Order Status 1,137,255
Delivery 1,137,256
Stock Level 1,137,255
Customer Report 11,372,559
100% 99.9% New Order 11,360,493 1,014
Payment 11,360,497
Order Status 1,136,050
Delivery 1,136,048
Stock Level 1,136,050
Customer Report 11,360,498
90% 90.2% New Order 10,258,309 1,015
Payment 10,258,311
Order Status 1,025,831
Delivery 1,025,830
Stock Level 1,025,830
Customer Report 10,258,314
80% 79.7% New Order 9,063,927 1,014
Payment 9,063,928
Order Status 906,392
Delivery 906,393
Stock Level 906,393
Customer Report 9,063,922
70% 69.8% New Order 7,943,110 1,014
Payment 7,943,106
Order Status 794,310
Delivery 794,312
Stock Level 794,310
Customer Report 7,943,109
60% 60.6% New Order 6,896,809 1,015
Payment 6,896,809
Order Status 689,681
Delivery 689,681
Stock Level 689,681
Customer Report 6,896,806
50% 50.2% New Order 5,707,506 1,014
Payment 5,707,501
Order Status 570,750
Delivery 570,751
Stock Level 570,751
Customer Report 5,707,501
40% 39.9% New Order 4,534,680 1,014
Payment 4,534,674
Order Status 453,469
Delivery 453,468
Stock Level 453,467
Customer Report 4,534,680
30% 29.8% New Order 3,385,791 1,014
Payment 3,385,788
Order Status 338,579
Delivery 338,578
Stock Level 338,579
Customer Report 3,385,786
20% 20.0% New Order 2,278,157 1,014
Payment 2,278,160
Order Status 227,817
Delivery 227,815
Stock Level 227,816
Customer Report 2,278,155
10% 9.9% New Order 1,124,241 1,014
Payment 1,124,241
Order Status 112,425
Delivery 112,426
Stock Level 112,423
Customer Report 1,124,244
Active Idle New Order 0 1,014
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0