Dell Inc. PowerEdge XR8720t (Intel Xeon 6766P-B) ssj_ops@100% = 155,287
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     157,364
Calibration 2     155,913
Calibration 3     155,385
ssj_ops@calibrated=155,649
100% 99.8% 155,649 155,287
90% 90.0% 140,084 140,018
80% 80.1% 124,519 124,726
70% 69.7% 108,954 108,561
60% 60.3% 93,389 93,815
50% 49.8% 77,825 77,463
40% 39.9% 62,260 62,056
30% 30.0% 46,695 46,702
20% 19.7% 31,130 30,691
10% 9.8% 15,565 15,321
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 11,444,953 1,014
Payment 11,444,957
Order Status 1,144,496
Delivery 1,144,496
Stock Level 1,144,496
Customer Report 11,444,957
Calibration 2 New Order 11,339,198 1,014
Payment 11,339,195
Order Status 1,133,919
Delivery 1,133,921
Stock Level 1,133,918
Customer Report 11,339,197
Calibration 3 New Order 11,300,759 1,014
Payment 11,300,756
Order Status 1,130,077
Delivery 1,130,075
Stock Level 1,130,075
Customer Report 11,300,759
100% 99.8% New Order 11,293,592 1,014
Payment 11,293,591
Order Status 1,129,359
Delivery 1,129,359
Stock Level 1,129,359
Customer Report 11,293,594
90% 90.0% New Order 10,183,152 1,014
Payment 10,183,150
Order Status 1,018,315
Delivery 1,018,315
Stock Level 1,018,316
Customer Report 10,183,152
80% 80.1% New Order 9,071,028 1,014
Payment 9,071,019
Order Status 907,103
Delivery 907,102
Stock Level 907,103
Customer Report 9,071,023
70% 69.7% New Order 7,895,435 1,014
Payment 7,895,438
Order Status 789,543
Delivery 789,543
Stock Level 789,544
Customer Report 7,895,436
60% 60.3% New Order 6,822,932 1,014
Payment 6,822,929
Order Status 682,294
Delivery 682,292
Stock Level 682,294
Customer Report 6,822,929
50% 49.8% New Order 5,633,654 1,014
Payment 5,633,656
Order Status 563,365
Delivery 563,366
Stock Level 563,367
Customer Report 5,633,664
40% 39.9% New Order 4,513,172 1,014
Payment 4,513,175
Order Status 451,318
Delivery 451,318
Stock Level 451,317
Customer Report 4,513,177
30% 30.0% New Order 3,396,523 1,014
Payment 3,396,522
Order Status 339,653
Delivery 339,654
Stock Level 339,652
Customer Report 3,396,522
20% 19.7% New Order 2,232,111 1,014
Payment 2,232,113
Order Status 223,212
Delivery 223,210
Stock Level 223,210
Customer Report 2,232,112
10% 9.8% New Order 1,114,267 1,014
Payment 1,114,265
Order Status 111,426
Delivery 111,427
Stock Level 111,426
Customer Report 1,114,260
Active Idle New Order 0 1,014
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0