Dell Inc. PowerEdge R7725 ssj_ops@100% = 513,434
Test Sponsor: Dell Inc. SPEC License #: 6573 Test Method: Single Node
Tested By: Dell Inc. Test Location: Round Rock, TX, USA Test Date: Dec 19, 2025
Hardware Availability: Nov-2024 Software Availability: Jul-2025 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     522,799
Calibration 2     516,189
Calibration 3     513,594
ssj_ops@calibrated=514,892
100% 99.7% 514,892 513,434
90% 90.1% 463,403 464,000
80% 79.7% 411,913 410,515
70% 70.1% 360,424 360,964
60% 60.2% 308,935 310,180
50% 50.0% 257,446 257,527
40% 40.1% 205,957 206,256
30% 30.1% 154,468 154,727
20% 20.0% 102,978 102,736
10% 9.9% 51,489 51,087
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 R7725
Hardware
Hardware Vendor: Dell Inc.
Model: PowerEdge R7725
Form Factor: 2U
CPU Name: AMD EPYC 9355 3.55 GHz
CPU Characteristics: 32 core, 3.55 GHz, 256 MB L3 Cache, Max Boost Clock up to 4.4 GHz
CPU Frequency (MHz): 3550
CPU(s) Enabled: 64 cores, 2 chips, 32 cores/chip
Hardware Threads: 128 (2 / core)
CPU(s) Orderable: 1,2 chip
Primary Cache: 32 KB I + 48 KB D on chip per core
Secondary Cache: 1 MB I+D on chip per core
Tertiary Cache: 256 MB I+D on chip per chip, 32 MB shared / 4 cores
Other Cache: None
Memory Amount (GB): 1536
# and size of DIMM: 24 x 64 GB
Memory Details: 64 GB 2Rx4 PC5-6400-R, Slots A1-12, B1-12 populated.
Power Supply Quantity and Rating (W): 2 x 3200
Power Supply Details: 2 x Delta 3200W Titanium Efficiency (DPN - J0KHH)
Disk Drive: 4 x 3.84 TB E3.S NVMe (DPN - 6RC59), 2 x 480 GB M.2 NVMe (DPN - 3JC4V)
Disk Controller: Onboard PCIe SSD Backplane, PCIe attached Boot Optimized Storage (BOSS) card
# and type of Network Interface Cards (NICs) Installed: 1 x Broadcom 5719 Quad Port 1GbE LOM, 1 x Broadcom 57414 Dual Port 25GbE LOM
NICs Enabled in Firmware / OS / Connected: 6/6/1
Network Speed (Mbit): 1000
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): Microsoft Windows Server 2025 Datacenter
OS Version: Version 24H2 (OS Build 26100.1)
Filesystem: NTFS
JVM Vendor: Oracle Corporation
JVM Version: Java HotSpot(TM) 64-Bit Server VM (build 17.0.16+12-LTS-247, mixed mode, sharing)
JVM Command-line Options: -server -Xms1500m -Xmx1500m -Xmn1300m -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: start /NODE [0-15] /AFFINITY [0xF,0xF0]
JVM Instances: 32
JVM Initial Heap (MB): 1500
JVM Maximum Heap (MB): 1500
JVM Address Bits: 64
Boot Firmware Version: 1.5.3
Management Firmware Version: 1.20.80.50 A00
Workload Version: SSJ 1.2.10
Director Location: Controller
Other Software: None
Boot Firmware Settings
Management Firmware Settings
Minimum Power (Performance per Watt Optimized)
System Under Test Notes
Notes
None
Performance Details
Target Load Actual Load Transaction Type Count Total Heap (MB)
Calibration 1 New Order 38,025,380 1,486
Payment 38,025,379
Order Status 3,802,540
Delivery 3,802,538
Stock Level 3,802,537
Customer Report 38,025,376
Calibration 2 New Order 37,541,402 1,486
Payment 37,541,406
Order Status 3,754,140
Delivery 3,754,141
Stock Level 3,754,140
Customer Report 37,541,401
Calibration 3 New Order 37,355,095 1,486
Payment 37,355,094
Order Status 3,735,509
Delivery 3,735,507
Stock Level 3,735,509
Customer Report 37,355,088
100% 99.7% New Order 37,340,926 1,486
Payment 37,340,924
Order Status 3,734,094
Delivery 3,734,093
Stock Level 3,734,094
Customer Report 37,340,923
90% 90.1% New Order 33,745,519 1,486
Payment 33,745,524
Order Status 3,374,553
Delivery 3,374,551
Stock Level 3,374,552
Customer Report 33,745,527
80% 79.7% New Order 29,856,253 1,486
Payment 29,856,253
Order Status 2,985,626
Delivery 2,985,622
Stock Level 2,985,624
Customer Report 29,856,246
70% 70.1% New Order 26,252,960 1,486
Payment 26,252,956
Order Status 2,625,296
Delivery 2,625,296
Stock Level 2,625,296
Customer Report 26,252,961
60% 60.2% New Order 22,558,979 1,486
Payment 22,558,969
Order Status 2,255,897
Delivery 2,255,895
Stock Level 2,255,897
Customer Report 22,558,971
50% 50.0% New Order 18,729,596 1,486
Payment 18,729,592
Order Status 1,872,960
Delivery 1,872,961
Stock Level 1,872,961
Customer Report 18,729,594
40% 40.1% New Order 15,000,784 1,486
Payment 15,000,787
Order Status 1,500,081
Delivery 1,500,079
Stock Level 1,500,080
Customer Report 15,000,793
30% 30.1% New Order 11,253,283 1,486
Payment 11,253,278
Order Status 1,125,326
Delivery 1,125,327
Stock Level 1,125,329
Customer Report 11,253,284
20% 20.0% New Order 7,472,061 1,486
Payment 7,472,065
Order Status 747,209
Delivery 747,205
Stock Level 747,205
Customer Report 7,472,065
10% 9.9% New Order 3,715,456 1,486
Payment 3,715,458
Order Status 371,543
Delivery 371,545
Stock Level 371,543
Customer Report 3,715,455
Active Idle New Order 0 1,486
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0