Dell Inc. PowerEdge XR8720t (Intel Xeon 6766P-B) ssj_ops@100% = 154,979
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     158,391
Calibration 2     156,330
Calibration 3     155,901
ssj_ops@calibrated=156,115
100% 99.3% 156,115 154,979
90% 90.2% 140,504 140,801
80% 79.6% 124,892 124,276
70% 69.7% 109,281 108,817
60% 60.0% 93,669 93,741
50% 49.8% 78,058 77,705
40% 39.9% 62,446 62,310
30% 30.3% 46,835 47,237
20% 20.0% 31,223 31,284
10% 9.8% 15,612 15,244
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 11,519,838 1,014
Payment 11,519,836
Order Status 1,151,983
Delivery 1,151,984
Stock Level 1,151,983
Customer Report 11,519,837
Calibration 2 New Order 11,369,506 1,015
Payment 11,369,508
Order Status 1,136,951
Delivery 1,136,950
Stock Level 1,136,950
Customer Report 11,369,509
Calibration 3 New Order 11,338,234 1,016
Payment 11,338,236
Order Status 1,133,822
Delivery 1,133,825
Stock Level 1,133,822
Customer Report 11,338,238
100% 99.3% New Order 11,271,190 1,015
Payment 11,271,189
Order Status 1,127,121
Delivery 1,127,120
Stock Level 1,127,119
Customer Report 11,271,193
90% 90.2% New Order 10,240,088 1,015
Payment 10,240,091
Order Status 1,024,008
Delivery 1,024,010
Stock Level 1,024,009
Customer Report 10,240,086
80% 79.6% New Order 9,038,320 1,015
Payment 9,038,318
Order Status 903,832
Delivery 903,833
Stock Level 903,832
Customer Report 9,038,317
70% 69.7% New Order 7,913,938 1,015
Payment 7,913,945
Order Status 791,393
Delivery 791,394
Stock Level 791,395
Customer Report 7,913,944
60% 60.0% New Order 6,817,559 1,015
Payment 6,817,559
Order Status 681,754
Delivery 681,756
Stock Level 681,756
Customer Report 6,817,554
50% 49.8% New Order 5,651,315 1,016
Payment 5,651,319
Order Status 565,133
Delivery 565,131
Stock Level 565,134
Customer Report 5,651,322
40% 39.9% New Order 4,531,617 1,016
Payment 4,531,618
Order Status 453,164
Delivery 453,162
Stock Level 453,161
Customer Report 4,531,618
30% 30.3% New Order 3,435,394 1,015
Payment 3,435,397
Order Status 343,539
Delivery 343,541
Stock Level 343,540
Customer Report 3,435,394
20% 20.0% New Order 2,275,205 1,016
Payment 2,275,205
Order Status 227,522
Delivery 227,521
Stock Level 227,521
Customer Report 2,275,197
10% 9.8% New Order 1,108,672 1,016
Payment 1,108,671
Order Status 110,868
Delivery 110,866
Stock Level 110,868
Customer Report 1,108,672
Active Idle New Order 0 1,016
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0