Dell Inc. PowerEdge XR8720t (Intel Xeon 6766P-B) ssj_ops@100% = 154,811
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     157,537
Calibration 2     155,434
Calibration 3     154,663
ssj_ops@calibrated=155,049
100% 99.8% 155,049 154,811
90% 90.2% 139,544 139,884
80% 79.7% 124,039 123,575
70% 70.0% 108,534 108,493
60% 60.3% 93,029 93,506
50% 49.6% 77,524 76,962
40% 40.0% 62,019 62,082
30% 29.8% 46,515 46,183
20% 19.9% 31,010 30,907
10% 10.1% 15,505 15,610
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 11,457,507 1,016
Payment 11,457,505
Order Status 1,145,751
Delivery 1,145,751
Stock Level 1,145,752
Customer Report 11,457,508
Calibration 2 New Order 11,304,332 1,016
Payment 11,304,333
Order Status 1,130,432
Delivery 1,130,433
Stock Level 1,130,433
Customer Report 11,304,333
Calibration 3 New Order 11,248,265 1,016
Payment 11,248,268
Order Status 1,124,828
Delivery 1,124,827
Stock Level 1,124,827
Customer Report 11,248,271
100% 99.8% New Order 11,259,080 1,016
Payment 11,259,080
Order Status 1,125,908
Delivery 1,125,908
Stock Level 1,125,907
Customer Report 11,259,081
90% 90.2% New Order 10,173,419 1,015
Payment 10,173,419
Order Status 1,017,343
Delivery 1,017,341
Stock Level 1,017,342
Customer Report 10,173,414
80% 79.7% New Order 8,987,269 1,016
Payment 8,987,268
Order Status 898,727
Delivery 898,727
Stock Level 898,727
Customer Report 8,987,270
70% 70.0% New Order 7,890,472 1,013
Payment 7,890,473
Order Status 789,048
Delivery 789,047
Stock Level 789,045
Customer Report 7,890,476
60% 60.3% New Order 6,800,480 1,014
Payment 6,800,482
Order Status 680,049
Delivery 680,048
Stock Level 680,047
Customer Report 6,800,478
50% 49.6% New Order 5,597,211 1,015
Payment 5,597,210
Order Status 559,721
Delivery 559,722
Stock Level 559,722
Customer Report 5,597,213
40% 40.0% New Order 4,515,075 1,016
Payment 4,515,065
Order Status 451,507
Delivery 451,508
Stock Level 451,508
Customer Report 4,515,074
30% 29.8% New Order 3,358,772 1,015
Payment 3,358,774
Order Status 335,877
Delivery 335,878
Stock Level 335,877
Customer Report 3,358,773
20% 19.9% New Order 2,247,827 1,015
Payment 2,247,830
Order Status 224,783
Delivery 224,782
Stock Level 224,783
Customer Report 2,247,826
10% 10.1% New Order 1,135,265 1,016
Payment 1,135,263
Order Status 113,526
Delivery 113,528
Stock Level 113,525
Customer Report 1,135,267
Active Idle New Order 0 1,016
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0