Dell Inc. PowerEdge XR8720t (Intel Xeon 6766P-B) ssj_ops@100% = 156,290
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     159,131
Calibration 2     157,974
Calibration 3     157,548
ssj_ops@calibrated=157,761
100% 99.1% 157,761 156,290
90% 90.1% 141,985 142,168
80% 80.6% 126,209 127,214
70% 69.3% 110,433 109,396
60% 59.9% 94,657 94,557
50% 49.6% 78,880 78,242
40% 40.2% 63,104 63,460
30% 30.2% 47,328 47,607
20% 19.9% 31,552 31,453
10% 10.1% 15,776 15,937
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 11,573,674 1,014
Payment 11,573,674
Order Status 1,157,369
Delivery 1,157,366
Stock Level 1,157,367
Customer Report 11,573,672
Calibration 2 New Order 11,489,161 1,014
Payment 11,489,164
Order Status 1,148,917
Delivery 1,148,914
Stock Level 1,148,915
Customer Report 11,489,164
Calibration 3 New Order 11,458,049 1,015
Payment 11,458,046
Order Status 1,145,805
Delivery 1,145,804
Stock Level 1,145,805
Customer Report 11,458,049
100% 99.1% New Order 11,366,545 1,014
Payment 11,366,543
Order Status 1,136,655
Delivery 1,136,654
Stock Level 1,136,655
Customer Report 11,366,543
90% 90.1% New Order 10,339,535 1,015
Payment 10,339,530
Order Status 1,033,954
Delivery 1,033,953
Stock Level 1,033,954
Customer Report 10,339,531
80% 80.6% New Order 9,252,016 1,014
Payment 9,252,006
Order Status 925,201
Delivery 925,202
Stock Level 925,202
Customer Report 9,252,010
70% 69.3% New Order 7,956,061 1,014
Payment 7,956,058
Order Status 795,606
Delivery 795,605
Stock Level 795,604
Customer Report 7,956,057
60% 59.9% New Order 6,876,963 1,014
Payment 6,876,959
Order Status 687,697
Delivery 687,696
Stock Level 687,696
Customer Report 6,876,959
50% 49.6% New Order 5,690,341 1,014
Payment 5,690,346
Order Status 569,034
Delivery 569,035
Stock Level 569,035
Customer Report 5,690,344
40% 40.2% New Order 4,615,313 1,015
Payment 4,615,313
Order Status 461,531
Delivery 461,531
Stock Level 461,532
Customer Report 4,615,314
30% 30.2% New Order 3,462,404 1,015
Payment 3,462,403
Order Status 346,241
Delivery 346,241
Stock Level 346,242
Customer Report 3,462,405
20% 19.9% New Order 2,287,469 1,015
Payment 2,287,468
Order Status 228,747
Delivery 228,748
Stock Level 228,748
Customer Report 2,287,465
10% 10.1% New Order 1,159,093 1,015
Payment 1,159,093
Order Status 115,908
Delivery 115,908
Stock Level 115,910
Customer Report 1,159,088
Active Idle New Order 0 1,015
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0