Dell Inc. PowerEdge XR8720t (Intel Xeon 6766P-B) ssj_ops@100% = 156,933
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     159,494
Calibration 2     157,172
Calibration 3     156,759
ssj_ops@calibrated=156,965
100% 100.0% 156,965 156,933
90% 88.9% 141,269 139,494
80% 79.8% 125,572 125,277
70% 70.4% 109,876 110,529
60% 59.4% 94,179 93,182
50% 50.1% 78,483 78,690
40% 40.2% 62,786 63,122
30% 29.8% 47,090 46,781
20% 20.1% 31,393 31,522
10% 10.0% 15,697 15,771
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 11,600,065 1,015
Payment 11,600,058
Order Status 1,160,006
Delivery 1,160,005
Stock Level 1,160,005
Customer Report 11,600,061
Calibration 2 New Order 11,430,767 1,014
Payment 11,430,770
Order Status 1,143,077
Delivery 1,143,076
Stock Level 1,143,077
Customer Report 11,430,772
Calibration 3 New Order 11,400,673 1,015
Payment 11,400,684
Order Status 1,140,066
Delivery 1,140,069
Stock Level 1,140,068
Customer Report 11,400,675
100% 100.0% New Order 11,413,452 1,014
Payment 11,413,445
Order Status 1,141,344
Delivery 1,141,346
Stock Level 1,141,346
Customer Report 11,413,450
90% 88.9% New Order 10,145,047 1,015
Payment 10,145,056
Order Status 1,014,505
Delivery 1,014,505
Stock Level 1,014,505
Customer Report 10,145,050
80% 79.8% New Order 9,111,067 1,014
Payment 9,111,073
Order Status 911,107
Delivery 911,105
Stock Level 911,107
Customer Report 9,111,066
70% 70.4% New Order 8,038,533 1,014
Payment 8,038,525
Order Status 803,852
Delivery 803,853
Stock Level 803,853
Customer Report 8,038,532
60% 59.4% New Order 6,776,967 1,014
Payment 6,776,968
Order Status 677,697
Delivery 677,697
Stock Level 677,697
Customer Report 6,776,970
50% 50.1% New Order 5,722,924 1,014
Payment 5,722,919
Order Status 572,292
Delivery 572,293
Stock Level 572,293
Customer Report 5,722,921
40% 40.2% New Order 4,590,723 1,015
Payment 4,590,721
Order Status 459,072
Delivery 459,072
Stock Level 459,071
Customer Report 4,590,722
30% 29.8% New Order 3,402,249 1,014
Payment 3,402,251
Order Status 340,225
Delivery 340,224
Stock Level 340,225
Customer Report 3,402,251
20% 20.1% New Order 2,292,539 1,014
Payment 2,292,540
Order Status 229,254
Delivery 229,255
Stock Level 229,255
Customer Report 2,292,538
10% 10.0% New Order 1,146,974 1,014
Payment 1,146,968
Order Status 114,695
Delivery 114,696
Stock Level 114,697
Customer Report 1,146,970
Active Idle New Order 0 1,014
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0