Dell Inc. PowerEdge XR8720t (Intel Xeon 6766P-B) ssj_ops@100% = 155,804
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     158,566
Calibration 2     156,409
Calibration 3     156,470
ssj_ops@calibrated=156,439
100% 99.6% 156,439 155,804
90% 89.6% 140,795 140,103
80% 81.0% 125,152 126,671
70% 70.2% 109,508 109,876
60% 59.6% 93,864 93,186
50% 50.1% 78,220 78,451
40% 39.8% 62,576 62,284
30% 29.9% 46,932 46,846
20% 20.1% 31,288 31,473
10% 9.9% 15,644 15,528
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 11,532,549 1,014
Payment 11,532,545
Order Status 1,153,254
Delivery 1,153,256
Stock Level 1,153,255
Customer Report 11,532,542
Calibration 2 New Order 11,375,207 1,014
Payment 11,375,206
Order Status 1,137,522
Delivery 1,137,522
Stock Level 1,137,521
Customer Report 11,375,215
Calibration 3 New Order 11,379,646 1,014
Payment 11,379,648
Order Status 1,137,966
Delivery 1,137,966
Stock Level 1,137,965
Customer Report 11,379,650
100% 99.6% New Order 11,331,341 1,014
Payment 11,331,346
Order Status 1,133,135
Delivery 1,133,133
Stock Level 1,133,135
Customer Report 11,331,343
90% 89.6% New Order 10,189,301 1,014
Payment 10,189,297
Order Status 1,018,931
Delivery 1,018,930
Stock Level 1,018,931
Customer Report 10,189,305
80% 81.0% New Order 9,212,468 1,014
Payment 9,212,466
Order Status 921,247
Delivery 921,247
Stock Level 921,246
Customer Report 9,212,466
70% 70.2% New Order 7,990,992 1,014
Payment 7,990,994
Order Status 799,100
Delivery 799,098
Stock Level 799,100
Customer Report 7,990,993
60% 59.6% New Order 6,777,249 1,014
Payment 6,777,245
Order Status 677,724
Delivery 677,726
Stock Level 677,725
Customer Report 6,777,249
50% 50.1% New Order 5,705,582 1,014
Payment 5,705,586
Order Status 570,558
Delivery 570,558
Stock Level 570,559
Customer Report 5,705,584
40% 39.8% New Order 4,529,798 1,014
Payment 4,529,799
Order Status 452,978
Delivery 452,978
Stock Level 452,979
Customer Report 4,529,796
30% 29.9% New Order 3,407,009 1,015
Payment 3,407,011
Order Status 340,702
Delivery 340,703
Stock Level 340,701
Customer Report 3,407,007
20% 20.1% New Order 2,288,961 1,016
Payment 2,288,959
Order Status 228,895
Delivery 228,896
Stock Level 228,896
Customer Report 2,288,958
10% 9.9% New Order 1,129,335 1,018
Payment 1,129,334
Order Status 112,933
Delivery 112,933
Stock Level 112,934
Customer Report 1,129,332
Active Idle New Order 0 1,018
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0