Dell Inc. PowerEdge XR8720t (Intel Xeon 6766P-B) ssj_ops@100% = 159,344
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     161,941
Calibration 2     159,314
Calibration 3     159,214
ssj_ops@calibrated=159,264
100% 100.1% 159,264 159,344
90% 89.9% 143,337 143,227
80% 79.9% 127,411 127,227
70% 69.8% 111,485 111,099
60% 60.5% 95,558 96,419
50% 50.0% 79,632 79,628
40% 39.9% 63,706 63,520
30% 30.3% 47,779 48,201
20% 19.8% 31,853 31,554
10% 10.0% 15,926 15,863
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 11,777,869 1,016
Payment 11,777,866
Order Status 1,177,787
Delivery 1,177,789
Stock Level 1,177,786
Customer Report 11,777,867
Calibration 2 New Order 11,586,469 1,015
Payment 11,586,469
Order Status 1,158,646
Delivery 1,158,647
Stock Level 1,158,647
Customer Report 11,586,462
Calibration 3 New Order 11,579,202 1,015
Payment 11,579,202
Order Status 1,157,919
Delivery 1,157,920
Stock Level 1,157,920
Customer Report 11,579,200
100% 100.1% New Order 11,588,663 1,016
Payment 11,588,656
Order Status 1,158,865
Delivery 1,158,868
Stock Level 1,158,866
Customer Report 11,588,656
90% 89.9% New Order 10,416,529 1,014
Payment 10,416,533
Order Status 1,041,652
Delivery 1,041,655
Stock Level 1,041,653
Customer Report 10,416,532
80% 79.9% New Order 9,252,876 1,016
Payment 9,252,871
Order Status 925,288
Delivery 925,286
Stock Level 925,287
Customer Report 9,252,872
70% 69.8% New Order 8,079,947 1,014
Payment 8,079,944
Order Status 807,995
Delivery 807,996
Stock Level 807,994
Customer Report 8,079,945
60% 60.5% New Order 7,012,358 1,016
Payment 7,012,354
Order Status 701,235
Delivery 701,235
Stock Level 701,236
Customer Report 7,012,353
50% 50.0% New Order 5,791,139 1,015
Payment 5,791,143
Order Status 579,114
Delivery 579,114
Stock Level 579,113
Customer Report 5,791,141
40% 39.9% New Order 4,619,669 1,016
Payment 4,619,676
Order Status 461,968
Delivery 461,965
Stock Level 461,968
Customer Report 4,619,672
30% 30.3% New Order 3,505,544 1,015
Payment 3,505,551
Order Status 350,554
Delivery 350,554
Stock Level 350,555
Customer Report 3,505,546
20% 19.8% New Order 2,294,855 1,016
Payment 2,294,859
Order Status 229,486
Delivery 229,486
Stock Level 229,486
Customer Report 2,294,857
10% 10.0% New Order 1,153,703 1,015
Payment 1,153,700
Order Status 115,370
Delivery 115,373
Stock Level 115,371
Customer Report 1,153,703
Active Idle New Order 0 1,015
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0