Dell Inc. PowerEdge XR8720t (Intel Xeon 6766P-B) ssj_ops@100% = 145,576
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     148,534
Calibration 2     146,611
Calibration 3     146,403
ssj_ops@calibrated=146,507
100% 99.4% 146,507 145,576
90% 89.3% 131,856 130,790
80% 80.2% 117,206 117,481
70% 69.7% 102,555 102,149
60% 60.1% 87,904 87,988
50% 49.8% 73,253 73,012
40% 39.3% 58,603 57,644
30% 30.1% 43,952 44,060
20% 20.2% 29,301 29,596
10% 9.9% 14,651 14,512
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 10,802,708 1,015
Payment 10,802,709
Order Status 1,080,271
Delivery 1,080,271
Stock Level 1,080,271
Customer Report 10,802,717
Calibration 2 New Order 10,662,620 1,014
Payment 10,662,622
Order Status 1,066,261
Delivery 1,066,264
Stock Level 1,066,262
Customer Report 10,662,620
Calibration 3 New Order 10,647,529 1,015
Payment 10,647,528
Order Status 1,064,752
Delivery 1,064,753
Stock Level 1,064,753
Customer Report 10,647,524
100% 99.4% New Order 10,587,482 1,014
Payment 10,587,482
Order Status 1,058,749
Delivery 1,058,749
Stock Level 1,058,748
Customer Report 10,587,482
90% 89.3% New Order 9,512,089 1,014
Payment 9,512,087
Order Status 951,210
Delivery 951,209
Stock Level 951,210
Customer Report 9,512,090
80% 80.2% New Order 8,544,137 1,015
Payment 8,544,139
Order Status 854,414
Delivery 854,414
Stock Level 854,414
Customer Report 8,544,138
70% 69.7% New Order 7,429,020 1,014
Payment 7,429,021
Order Status 742,901
Delivery 742,902
Stock Level 742,901
Customer Report 7,429,025
60% 60.1% New Order 6,399,157 1,014
Payment 6,399,155
Order Status 639,916
Delivery 639,916
Stock Level 639,915
Customer Report 6,399,154
50% 49.8% New Order 5,309,985 1,014
Payment 5,309,979
Order Status 530,998
Delivery 530,998
Stock Level 530,997
Customer Report 5,309,982
40% 39.3% New Order 4,192,269 1,014
Payment 4,192,271
Order Status 419,227
Delivery 419,227
Stock Level 419,228
Customer Report 4,192,270
30% 30.1% New Order 3,204,392 1,014
Payment 3,204,391
Order Status 320,439
Delivery 320,440
Stock Level 320,438
Customer Report 3,204,389
20% 20.2% New Order 2,152,406 1,014
Payment 2,152,401
Order Status 215,241
Delivery 215,239
Stock Level 215,241
Customer Report 2,152,405
10% 9.9% New Order 1,055,455 1,014
Payment 1,055,450
Order Status 105,546
Delivery 105,544
Stock Level 105,547
Customer Report 1,055,458
Active Idle New Order 0 1,014
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0