Dell Inc. PowerEdge XR8720t (Intel Xeon 6766P-B) ssj_ops@100% = 157,120
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     159,958
Calibration 2     157,935
Calibration 3     157,645
ssj_ops@calibrated=157,790
100% 99.6% 157,790 157,120
90% 90.7% 142,011 143,082
80% 80.1% 126,232 126,436
70% 70.1% 110,453 110,683
60% 59.8% 94,674 94,341
50% 49.2% 78,895 77,561
40% 39.2% 63,116 61,918
30% 30.2% 47,337 47,681
20% 20.5% 31,558 32,359
10% 10.0% 15,779 15,729
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 11,633,918 1,015
Payment 11,633,916
Order Status 1,163,392
Delivery 1,163,392
Stock Level 1,163,392
Customer Report 11,633,913
Calibration 2 New Order 11,486,220 1,016
Payment 11,486,222
Order Status 1,148,623
Delivery 1,148,622
Stock Level 1,148,622
Customer Report 11,486,222
Calibration 3 New Order 11,465,171 1,015
Payment 11,465,174
Order Status 1,146,516
Delivery 1,146,517
Stock Level 1,146,518
Customer Report 11,465,173
100% 99.6% New Order 11,426,953 1,016
Payment 11,426,958
Order Status 1,142,696
Delivery 1,142,696
Stock Level 1,142,696
Customer Report 11,426,958
90% 90.7% New Order 10,405,993 1,012
Payment 10,405,993
Order Status 1,040,600
Delivery 1,040,599
Stock Level 1,040,599
Customer Report 10,405,992
80% 80.1% New Order 9,195,385 1,016
Payment 9,195,380
Order Status 919,538
Delivery 919,538
Stock Level 919,538
Customer Report 9,195,382
70% 70.1% New Order 8,049,696 1,014
Payment 8,049,698
Order Status 804,971
Delivery 804,970
Stock Level 804,969
Customer Report 8,049,695
60% 59.8% New Order 6,861,181 1,016
Payment 6,861,183
Order Status 686,119
Delivery 686,120
Stock Level 686,120
Customer Report 6,861,186
50% 49.2% New Order 5,640,808 1,014
Payment 5,640,803
Order Status 564,079
Delivery 564,080
Stock Level 564,080
Customer Report 5,640,806
40% 39.2% New Order 4,503,187 1,015
Payment 4,503,192
Order Status 450,320
Delivery 450,321
Stock Level 450,319
Customer Report 4,503,193
30% 30.2% New Order 3,467,721 1,016
Payment 3,467,722
Order Status 346,773
Delivery 346,771
Stock Level 346,772
Customer Report 3,467,722
20% 20.5% New Order 2,353,419 1,014
Payment 2,353,418
Order Status 235,344
Delivery 235,342
Stock Level 235,343
Customer Report 2,353,428
10% 10.0% New Order 1,143,942 1,013
Payment 1,143,940
Order Status 114,394
Delivery 114,393
Stock Level 114,394
Customer Report 1,143,937
Active Idle New Order 0 1,013
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0