Dell Inc. PowerEdge XR8720t (Intel Xeon 6766P-B) ssj_ops@100% = 155,666
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     158,801
Calibration 2     156,509
Calibration 3     156,157
ssj_ops@calibrated=156,333
100% 99.6% 156,333 155,666
90% 89.1% 140,700 139,357
80% 79.8% 125,066 124,777
70% 69.9% 109,433 109,322
60% 60.1% 93,800 93,881
50% 50.0% 78,167 78,195
40% 39.4% 62,533 61,567
30% 30.0% 46,900 46,975
20% 19.9% 31,267 31,100
10% 10.1% 15,633 15,859
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 11,549,624 1,014
Payment 11,549,625
Order Status 1,154,963
Delivery 1,154,963
Stock Level 1,154,963
Customer Report 11,549,627
Calibration 2 New Order 11,382,505 1,014
Payment 11,382,504
Order Status 1,138,251
Delivery 1,138,250
Stock Level 1,138,251
Customer Report 11,382,506
Calibration 3 New Order 11,356,904 1,014
Payment 11,356,906
Order Status 1,135,690
Delivery 1,135,691
Stock Level 1,135,692
Customer Report 11,356,903
100% 99.6% New Order 11,321,199 1,014
Payment 11,321,199
Order Status 1,132,118
Delivery 1,132,120
Stock Level 1,132,120
Customer Report 11,321,198
90% 89.1% New Order 10,135,052 1,014
Payment 10,135,054
Order Status 1,013,506
Delivery 1,013,505
Stock Level 1,013,506
Customer Report 10,135,053
80% 79.8% New Order 9,074,714 1,014
Payment 9,074,711
Order Status 907,471
Delivery 907,472
Stock Level 907,471
Customer Report 9,074,711
70% 69.9% New Order 7,950,730 1,014
Payment 7,950,732
Order Status 795,073
Delivery 795,072
Stock Level 795,071
Customer Report 7,950,733
60% 60.1% New Order 6,827,791 1,014
Payment 6,827,787
Order Status 682,779
Delivery 682,777
Stock Level 682,779
Customer Report 6,827,789
50% 50.0% New Order 5,686,991 1,014
Payment 5,686,991
Order Status 568,698
Delivery 568,698
Stock Level 568,700
Customer Report 5,686,987
40% 39.4% New Order 4,477,636 1,014
Payment 4,477,638
Order Status 447,763
Delivery 447,763
Stock Level 447,763
Customer Report 4,477,635
30% 30.0% New Order 3,416,356 1,014
Payment 3,416,358
Order Status 341,635
Delivery 341,636
Stock Level 341,635
Customer Report 3,416,356
20% 19.9% New Order 2,261,834 1,014
Payment 2,261,835
Order Status 226,183
Delivery 226,183
Stock Level 226,183
Customer Report 2,261,834
10% 10.1% New Order 1,153,386 1,014
Payment 1,153,386
Order Status 115,340
Delivery 115,339
Stock Level 115,339
Customer Report 1,153,384
Active Idle New Order 0 1,014
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0