Dell Inc. PowerEdge R7625 ssj_ops@100% = 400,727
Test Sponsor: Dell Inc. SPEC License #: 6573 Test Method: Single Node
Tested By: Dell Inc. Test Location: Round Rock, TX, USA Test Date: Jan 8, 2026
Hardware Availability: Feb-2023 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     410,601
Calibration 2     402,561
Calibration 3     402,953
ssj_ops@calibrated=402,757
100% 99.5% 402,757 400,727
90% 90.3% 362,481 363,716
80% 80.0% 322,205 322,045
70% 70.2% 281,930 282,699
60% 60.0% 241,654 241,562
50% 50.4% 201,378 202,993
40% 40.0% 161,103 161,263
30% 30.2% 120,827 121,442
20% 19.9% 80,551 80,252
10% 9.8% 40,276 39,527
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 R7625
Hardware
Hardware Vendor: Dell Inc.
Model: PowerEdge R7625
Form Factor: 2U
CPU Name: AMD EPYC 9354 3.25 GHz
CPU Characteristics: 32 core, 3.25 GHz, 256 MB L3 Cache, Max Boost Clock up to 3.8 GHz
CPU Frequency (MHz): 3250
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 + 32 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 PC5-4800-R, Slots A1-12, B1-12 populated.
Power Supply Quantity and Rating (W): 2 x 2800
Power Supply Details: 2 x Delta 2800W Titanium Efficiency (DPN - P56GH)
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 5720 Dual Port 1GbE LOM, 1 x Broadcom 57414 Dual Port 25GbE LOM
NICs Enabled in Firmware / OS / Connected: 4/4/1
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: 1.15.3
Management Firmware Version: 7.20.80.50 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 29,862,866 1,486
Payment 29,862,874
Order Status 2,986,286
Delivery 2,986,286
Stock Level 2,986,289
Customer Report 29,862,882
Calibration 2 New Order 29,277,211 1,486
Payment 29,277,212
Order Status 2,927,721
Delivery 2,927,720
Stock Level 2,927,722
Customer Report 29,277,212
Calibration 3 New Order 29,306,967 1,486
Payment 29,306,960
Order Status 2,930,697
Delivery 2,930,694
Stock Level 2,930,696
Customer Report 29,306,968
100% 99.5% New Order 29,143,856 1,486
Payment 29,143,858
Order Status 2,914,385
Delivery 2,914,386
Stock Level 2,914,384
Customer Report 29,143,850
90% 90.3% New Order 26,452,654 1,486
Payment 26,452,654
Order Status 2,645,266
Delivery 2,645,266
Stock Level 2,645,266
Customer Report 26,452,654
80% 80.0% New Order 23,422,077 1,486
Payment 23,422,079
Order Status 2,342,208
Delivery 2,342,208
Stock Level 2,342,208
Customer Report 23,422,076
70% 70.2% New Order 20,560,260 1,486
Payment 20,560,269
Order Status 2,056,024
Delivery 2,056,027
Stock Level 2,056,025
Customer Report 20,560,267
60% 60.0% New Order 17,568,575 1,486
Payment 17,568,580
Order Status 1,756,858
Delivery 1,756,857
Stock Level 1,756,856
Customer Report 17,568,578
50% 50.4% New Order 14,763,908 1,486
Payment 14,763,917
Order Status 1,476,392
Delivery 1,476,393
Stock Level 1,476,390
Customer Report 14,763,913
40% 40.0% New Order 11,728,407 1,486
Payment 11,728,405
Order Status 1,172,839
Delivery 1,172,841
Stock Level 1,172,840
Customer Report 11,728,399
30% 30.2% New Order 8,832,393 1,486
Payment 8,832,390
Order Status 883,240
Delivery 883,240
Stock Level 883,241
Customer Report 8,832,392
20% 19.9% New Order 5,836,738 1,486
Payment 5,836,739
Order Status 583,673
Delivery 583,677
Stock Level 583,672
Customer Report 5,836,740
10% 9.8% New Order 2,874,681 1,486
Payment 2,874,685
Order Status 287,469
Delivery 287,468
Stock Level 287,469
Customer Report 2,874,682
Active Idle New Order 0 1,486
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0