Dell Inc. PowerEdge XR8720t (Intel Xeon 6766P-B) ssj_ops@100% = 154,852
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     158,378
Calibration 2     156,221
Calibration 3     155,772
ssj_ops@calibrated=155,996
100% 99.3% 155,996 154,852
90% 89.9% 140,397 140,259
80% 79.9% 124,797 124,635
70% 70.0% 109,198 109,158
60% 59.7% 93,598 93,057
50% 50.2% 77,998 78,374
40% 39.3% 62,399 61,380
30% 29.9% 46,799 46,656
20% 19.7% 31,199 30,741
10% 10.1% 15,600 15,767
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 11,518,813 1,015
Payment 11,518,810
Order Status 1,151,882
Delivery 1,151,882
Stock Level 1,151,882
Customer Report 11,518,816
Calibration 2 New Order 11,361,561 1,015
Payment 11,361,561
Order Status 1,136,155
Delivery 1,136,156
Stock Level 1,136,156
Customer Report 11,361,556
Calibration 3 New Order 11,328,866 1,014
Payment 11,328,863
Order Status 1,132,886
Delivery 1,132,887
Stock Level 1,132,887
Customer Report 11,328,866
100% 99.3% New Order 11,261,951 1,014
Payment 11,261,948
Order Status 1,126,196
Delivery 1,126,194
Stock Level 1,126,197
Customer Report 11,261,949
90% 89.9% New Order 10,200,652 1,014
Payment 10,200,653
Order Status 1,020,065
Delivery 1,020,066
Stock Level 1,020,065
Customer Report 10,200,648
80% 79.9% New Order 9,064,343 1,014
Payment 9,064,343
Order Status 906,435
Delivery 906,434
Stock Level 906,436
Customer Report 9,064,346
70% 70.0% New Order 7,938,872 1,015
Payment 7,938,869
Order Status 793,886
Delivery 793,886
Stock Level 793,887
Customer Report 7,938,876
60% 59.7% New Order 6,767,811 1,014
Payment 6,767,809
Order Status 676,781
Delivery 676,780
Stock Level 676,781
Customer Report 6,767,809
50% 50.2% New Order 5,699,968 1,015
Payment 5,699,973
Order Status 569,996
Delivery 569,996
Stock Level 569,997
Customer Report 5,699,964
40% 39.3% New Order 4,464,008 1,015
Payment 4,464,015
Order Status 446,401
Delivery 446,401
Stock Level 446,401
Customer Report 4,464,007
30% 29.9% New Order 3,393,176 1,014
Payment 3,393,184
Order Status 339,317
Delivery 339,317
Stock Level 339,318
Customer Report 3,393,175
20% 19.7% New Order 2,235,744 1,014
Payment 2,235,748
Order Status 223,574
Delivery 223,576
Stock Level 223,573
Customer Report 2,235,748
10% 10.1% New Order 1,146,665 1,014
Payment 1,146,668
Order Status 114,667
Delivery 114,667
Stock Level 114,667
Customer Report 1,146,666
Active Idle New Order 0 1,014
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0