Dell Inc. PowerEdge XR8720t (Intel Xeon 6766P-B) ssj_ops@100% = 153,330
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     156,735
Calibration 2     154,139
Calibration 3     154,146
ssj_ops@calibrated=154,142
100% 99.5% 154,142 153,330
90% 89.8% 138,728 138,405
80% 80.0% 123,314 123,332
70% 70.3% 107,900 108,413
60% 60.3% 92,485 92,937
50% 49.6% 77,071 76,389
40% 40.4% 61,657 62,334
30% 30.0% 46,243 46,237
20% 19.7% 30,828 30,379
10% 9.7% 15,414 14,892
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 11,398,997 1,014
Payment 11,398,994
Order Status 1,139,899
Delivery 1,139,900
Stock Level 1,139,898
Customer Report 11,398,997
Calibration 2 New Order 11,210,265 1,014
Payment 11,210,261
Order Status 1,121,026
Delivery 1,121,025
Stock Level 1,121,026
Customer Report 11,210,262
Calibration 3 New Order 11,210,623 1,014
Payment 11,210,624
Order Status 1,121,062
Delivery 1,121,064
Stock Level 1,121,062
Customer Report 11,210,624
100% 99.5% New Order 11,151,258 1,014
Payment 11,151,259
Order Status 1,115,126
Delivery 1,115,125
Stock Level 1,115,125
Customer Report 11,151,258
90% 89.8% New Order 10,065,802 1,014
Payment 10,065,808
Order Status 1,006,581
Delivery 1,006,581
Stock Level 1,006,579
Customer Report 10,065,796
80% 80.0% New Order 8,969,577 1,014
Payment 8,969,578
Order Status 896,957
Delivery 896,958
Stock Level 896,958
Customer Report 8,969,574
70% 70.3% New Order 7,884,577 1,014
Payment 7,884,581
Order Status 788,457
Delivery 788,457
Stock Level 788,458
Customer Report 7,884,578
60% 60.3% New Order 6,759,067 1,014
Payment 6,759,069
Order Status 675,908
Delivery 675,906
Stock Level 675,907
Customer Report 6,759,066
50% 49.6% New Order 5,555,576 1,014
Payment 5,555,576
Order Status 555,558
Delivery 555,557
Stock Level 555,558
Customer Report 5,555,577
40% 40.4% New Order 4,533,372 1,014
Payment 4,533,370
Order Status 453,337
Delivery 453,338
Stock Level 453,336
Customer Report 4,533,368
30% 30.0% New Order 3,362,732 1,014
Payment 3,362,734
Order Status 336,274
Delivery 336,273
Stock Level 336,275
Customer Report 3,362,733
20% 19.7% New Order 2,209,457 1,017
Payment 2,209,460
Order Status 220,945
Delivery 220,946
Stock Level 220,946
Customer Report 2,209,456
10% 9.7% New Order 1,083,030 1,018
Payment 1,083,028
Order Status 108,303
Delivery 108,303
Stock Level 108,304
Customer Report 1,083,032
Active Idle New Order 0 1,018
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0