Dell Inc. PowerEdge XR8720t (Intel Xeon 6766P-B) ssj_ops@100% = 153,608
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     156,399
Calibration 2     154,132
Calibration 3     153,784
ssj_ops@calibrated=153,958
100% 99.8% 153,958 153,608
90% 90.8% 138,562 139,859
80% 79.8% 123,166 122,849
70% 70.4% 107,770 108,311
60% 59.9% 92,375 92,230
50% 50.6% 76,979 77,837
40% 40.1% 61,583 61,731
30% 29.9% 46,187 45,987
20% 20.1% 30,792 30,928
10% 9.8% 15,396 15,152
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 11,374,888 1,014
Payment 11,374,894
Order Status 1,137,489
Delivery 1,137,489
Stock Level 1,137,490
Customer Report 11,374,892
Calibration 2 New Order 11,209,752 1,015
Payment 11,209,761
Order Status 1,120,976
Delivery 1,120,976
Stock Level 1,120,975
Customer Report 11,209,756
Calibration 3 New Order 11,184,448 1,016
Payment 11,184,450
Order Status 1,118,445
Delivery 1,118,444
Stock Level 1,118,445
Customer Report 11,184,451
100% 99.8% New Order 11,171,491 1,015
Payment 11,171,496
Order Status 1,117,149
Delivery 1,117,149
Stock Level 1,117,148
Customer Report 11,171,490
90% 90.8% New Order 10,171,590 1,014
Payment 10,171,586
Order Status 1,017,158
Delivery 1,017,159
Stock Level 1,017,158
Customer Report 10,171,583
80% 79.8% New Order 8,934,582 1,015
Payment 8,934,585
Order Status 893,458
Delivery 893,458
Stock Level 893,458
Customer Report 8,934,587
70% 70.4% New Order 7,877,268 1,014
Payment 7,877,271
Order Status 787,728
Delivery 787,728
Stock Level 787,727
Customer Report 7,877,277
60% 59.9% New Order 6,707,633 1,015
Payment 6,707,634
Order Status 670,763
Delivery 670,764
Stock Level 670,764
Customer Report 6,707,629
50% 50.6% New Order 5,660,842 1,016
Payment 5,660,846
Order Status 566,084
Delivery 566,085
Stock Level 566,083
Customer Report 5,660,842
40% 40.1% New Order 4,489,550 1,014
Payment 4,489,551
Order Status 448,956
Delivery 448,954
Stock Level 448,956
Customer Report 4,489,549
30% 29.9% New Order 3,344,547 1,015
Payment 3,344,547
Order Status 334,453
Delivery 334,454
Stock Level 334,454
Customer Report 3,344,546
20% 20.1% New Order 2,249,282 1,014
Payment 2,249,282
Order Status 224,927
Delivery 224,927
Stock Level 224,927
Customer Report 2,249,285
10% 9.8% New Order 1,102,022 1,015
Payment 1,102,028
Order Status 110,203
Delivery 110,202
Stock Level 110,204
Customer Report 1,102,030
Active Idle New Order 0 1,015
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0