Dell Inc. PowerEdge XR8720t (Intel Xeon 6766P-B) ssj_ops@100% = 158,173
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     160,886
Calibration 2     158,590
Calibration 3     158,565
ssj_ops@calibrated=158,578
100% 99.7% 158,578 158,173
90% 90.3% 142,720 143,270
80% 79.5% 126,862 126,093
70% 70.2% 111,005 111,400
60% 60.1% 95,147 95,335
50% 49.8% 79,289 78,997
40% 39.9% 63,431 63,237
30% 29.9% 47,573 47,376
20% 19.9% 31,716 31,517
10% 9.9% 15,858 15,681
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 11,701,111 1,015
Payment 11,701,115
Order Status 1,170,111
Delivery 1,170,110
Stock Level 1,170,111
Customer Report 11,701,113
Calibration 2 New Order 11,533,902 1,015
Payment 11,533,901
Order Status 1,153,391
Delivery 1,153,390
Stock Level 1,153,389
Customer Report 11,533,899
Calibration 3 New Order 11,532,044 1,016
Payment 11,532,042
Order Status 1,153,205
Delivery 1,153,204
Stock Level 1,153,204
Customer Report 11,532,046
100% 99.7% New Order 11,503,566 1,016
Payment 11,503,561
Order Status 1,150,356
Delivery 1,150,355
Stock Level 1,150,356
Customer Report 11,503,566
90% 90.3% New Order 10,419,635 1,014
Payment 10,419,630
Order Status 1,041,962
Delivery 1,041,964
Stock Level 1,041,965
Customer Report 10,419,631
80% 79.5% New Order 9,170,392 1,015
Payment 9,170,394
Order Status 917,040
Delivery 917,040
Stock Level 917,038
Customer Report 9,170,391
70% 70.2% New Order 8,101,843 1,016
Payment 8,101,837
Order Status 810,182
Delivery 810,185
Stock Level 810,183
Customer Report 8,101,835
60% 60.1% New Order 6,933,502 1,015
Payment 6,933,504
Order Status 693,350
Delivery 693,349
Stock Level 693,350
Customer Report 6,933,503
50% 49.8% New Order 5,745,267 1,015
Payment 5,745,270
Order Status 574,528
Delivery 574,528
Stock Level 574,528
Customer Report 5,745,275
40% 39.9% New Order 4,599,045 1,015
Payment 4,599,042
Order Status 459,904
Delivery 459,905
Stock Level 459,903
Customer Report 4,599,043
30% 29.9% New Order 3,445,604 1,014
Payment 3,445,594
Order Status 344,559
Delivery 344,559
Stock Level 344,559
Customer Report 3,445,595
20% 19.9% New Order 2,292,147 1,015
Payment 2,292,145
Order Status 229,215
Delivery 229,216
Stock Level 229,214
Customer Report 2,292,147
10% 9.9% New Order 1,140,450 1,014
Payment 1,140,452
Order Status 114,045
Delivery 114,046
Stock Level 114,044
Customer Report 1,140,457
Active Idle New Order 0 1,014
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0