Dell Inc. PowerEdge XR8720t (Intel Xeon 6766P-B) ssj_ops@100% = 155,368
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     158,193
Calibration 2     156,077
Calibration 3     155,583
ssj_ops@calibrated=155,830
100% 99.7% 155,830 155,368
90% 90.1% 140,247 140,362
80% 80.6% 124,664 125,542
70% 70.1% 109,081 109,223
60% 59.7% 93,498 93,014
50% 49.9% 77,915 77,750
40% 40.1% 62,332 62,510
30% 30.1% 46,749 46,827
20% 19.8% 31,166 30,818
10% 10.1% 15,583 15,679
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 11,505,381 1,014
Payment 11,505,387
Order Status 1,150,537
Delivery 1,150,538
Stock Level 1,150,538
Customer Report 11,505,380
Calibration 2 New Order 11,351,076 1,015
Payment 11,351,079
Order Status 1,135,107
Delivery 1,135,107
Stock Level 1,135,109
Customer Report 11,351,081
Calibration 3 New Order 11,315,134 1,014
Payment 11,315,136
Order Status 1,131,513
Delivery 1,131,514
Stock Level 1,131,512
Customer Report 11,315,135
100% 99.7% New Order 11,299,642 1,014
Payment 11,299,638
Order Status 1,129,965
Delivery 1,129,964
Stock Level 1,129,965
Customer Report 11,299,639
90% 90.1% New Order 10,208,220 1,014
Payment 10,208,227
Order Status 1,020,822
Delivery 1,020,822
Stock Level 1,020,822
Customer Report 10,208,220
80% 80.6% New Order 9,130,340 1,014
Payment 9,130,343
Order Status 913,033
Delivery 913,033
Stock Level 913,033
Customer Report 9,130,339
70% 70.1% New Order 7,943,574 1,014
Payment 7,943,570
Order Status 794,357
Delivery 794,358
Stock Level 794,357
Customer Report 7,943,577
60% 59.7% New Order 6,764,689 1,014
Payment 6,764,688
Order Status 676,470
Delivery 676,469
Stock Level 676,469
Customer Report 6,764,692
50% 49.9% New Order 5,654,535 1,014
Payment 5,654,531
Order Status 565,454
Delivery 565,454
Stock Level 565,453
Customer Report 5,654,530
40% 40.1% New Order 4,546,156 1,014
Payment 4,546,160
Order Status 454,616
Delivery 454,615
Stock Level 454,616
Customer Report 4,546,158
30% 30.1% New Order 3,405,605 1,014
Payment 3,405,603
Order Status 340,560
Delivery 340,561
Stock Level 340,560
Customer Report 3,405,604
20% 19.8% New Order 2,241,311 1,014
Payment 2,241,310
Order Status 224,131
Delivery 224,132
Stock Level 224,131
Customer Report 2,241,308
10% 10.1% New Order 1,140,300 1,014
Payment 1,140,307
Order Status 114,030
Delivery 114,030
Stock Level 114,031
Customer Report 1,140,302
Active Idle New Order 0 1,014
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0