Dell Inc. PowerEdge XR8720t (Intel Xeon 6766P-B) ssj_ops@100% = 156,360
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     159,001
Calibration 2     156,451
Calibration 3     156,448
ssj_ops@calibrated=156,450
100% 99.9% 156,450 156,360
90% 90.6% 140,805 141,775
80% 79.8% 125,160 124,827
70% 70.4% 109,515 110,111
60% 60.5% 93,870 94,593
50% 50.0% 78,225 78,239
40% 40.2% 62,580 62,911
30% 29.9% 46,935 46,806
20% 20.1% 31,290 31,466
10% 10.1% 15,645 15,871
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 11,564,084 1,014
Payment 11,564,088
Order Status 1,156,410
Delivery 1,156,408
Stock Level 1,156,408
Customer Report 11,564,091
Calibration 2 New Order 11,378,332 1,015
Payment 11,378,332
Order Status 1,137,834
Delivery 1,137,833
Stock Level 1,137,832
Customer Report 11,378,336
Calibration 3 New Order 11,378,087 1,015
Payment 11,378,083
Order Status 1,137,808
Delivery 1,137,809
Stock Level 1,137,809
Customer Report 11,378,087
100% 99.9% New Order 11,371,844 1,016
Payment 11,371,849
Order Status 1,137,183
Delivery 1,137,182
Stock Level 1,137,184
Customer Report 11,371,840
90% 90.6% New Order 10,310,953 1,014
Payment 10,310,956
Order Status 1,031,094
Delivery 1,031,095
Stock Level 1,031,094
Customer Report 10,310,957
80% 79.8% New Order 9,078,338 1,015
Payment 9,078,342
Order Status 907,835
Delivery 907,833
Stock Level 907,834
Customer Report 9,078,333
70% 70.4% New Order 8,008,063 1,014
Payment 8,008,061
Order Status 800,806
Delivery 800,807
Stock Level 800,805
Customer Report 8,008,063
60% 60.5% New Order 6,879,529 1,014
Payment 6,879,532
Order Status 687,953
Delivery 687,954
Stock Level 687,954
Customer Report 6,879,536
50% 50.0% New Order 5,690,123 1,014
Payment 5,690,119
Order Status 569,012
Delivery 569,012
Stock Level 569,012
Customer Report 5,690,124
40% 40.2% New Order 4,575,352 1,014
Payment 4,575,356
Order Status 457,535
Delivery 457,536
Stock Level 457,535
Customer Report 4,575,356
30% 29.9% New Order 3,404,072 1,016
Payment 3,404,073
Order Status 340,409
Delivery 340,408
Stock Level 340,408
Customer Report 3,404,075
20% 20.1% New Order 2,288,432 1,014
Payment 2,288,437
Order Status 228,843
Delivery 228,843
Stock Level 228,842
Customer Report 2,288,433
10% 10.1% New Order 1,154,240 1,014
Payment 1,154,245
Order Status 115,425
Delivery 115,423
Stock Level 115,425
Customer Report 1,154,242
Active Idle New Order 0 1,014
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0