Dell Inc. PowerEdge XR8720t (Intel Xeon 6766P-B) ssj_ops@100% = 157,557
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     160,060
Calibration 2     158,152
Calibration 3     157,713
ssj_ops@calibrated=157,932
100% 99.8% 157,932 157,557
90% 90.0% 142,139 142,173
80% 80.8% 126,346 127,655
70% 70.1% 110,553 110,781
60% 59.9% 94,759 94,583
50% 50.7% 78,966 80,123
40% 40.4% 63,173 63,878
30% 30.0% 47,380 47,400
20% 20.0% 31,586 31,619
10% 10.2% 15,793 16,059
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 11,640,931 1,014
Payment 11,640,929
Order Status 1,164,093
Delivery 1,164,095
Stock Level 1,164,093
Customer Report 11,640,934
Calibration 2 New Order 11,502,039 1,016
Payment 11,502,032
Order Status 1,150,204
Delivery 1,150,204
Stock Level 1,150,204
Customer Report 11,502,038
Calibration 3 New Order 11,470,020 1,016
Payment 11,470,024
Order Status 1,147,001
Delivery 1,147,003
Stock Level 1,147,002
Customer Report 11,470,021
100% 99.8% New Order 11,458,719 1,016
Payment 11,458,723
Order Status 1,145,871
Delivery 1,145,872
Stock Level 1,145,872
Customer Report 11,458,719
90% 90.0% New Order 10,339,869 1,015
Payment 10,339,867
Order Status 1,033,986
Delivery 1,033,988
Stock Level 1,033,987
Customer Report 10,339,869
80% 80.8% New Order 9,284,074 1,016
Payment 9,284,070
Order Status 928,406
Delivery 928,405
Stock Level 928,409
Customer Report 9,284,066
70% 70.1% New Order 8,056,819 1,014
Payment 8,056,819
Order Status 805,681
Delivery 805,682
Stock Level 805,683
Customer Report 8,056,822
60% 59.9% New Order 6,878,930 1,016
Payment 6,878,930
Order Status 687,893
Delivery 687,895
Stock Level 687,892
Customer Report 6,878,936
50% 50.7% New Order 5,827,099 1,014
Payment 5,827,100
Order Status 582,711
Delivery 582,711
Stock Level 582,710
Customer Report 5,827,103
40% 40.4% New Order 4,645,707 1,015
Payment 4,645,706
Order Status 464,569
Delivery 464,570
Stock Level 464,571
Customer Report 4,645,704
30% 30.0% New Order 3,447,270 1,015
Payment 3,447,270
Order Status 344,726
Delivery 344,726
Stock Level 344,728
Customer Report 3,447,268
20% 20.0% New Order 2,299,590 1,014
Payment 2,299,589
Order Status 229,960
Delivery 229,959
Stock Level 229,958
Customer Report 2,299,587
10% 10.2% New Order 1,167,947 1,014
Payment 1,167,948
Order Status 116,794
Delivery 116,795
Stock Level 116,794
Customer Report 1,167,946
Active Idle New Order 0 1,014
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0