Dell Inc. PowerEdge R7625 ssj_ops@100% = 401,443
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     408,165
Calibration 2     403,360
Calibration 3     401,442
ssj_ops@calibrated=402,401
100% 99.8% 402,401 401,443
90% 90.2% 362,161 362,849
80% 79.8% 321,921 320,925
70% 69.7% 281,681 280,288
60% 60.2% 241,441 242,173
50% 49.7% 201,201 200,156
40% 39.8% 160,960 160,138
30% 29.8% 120,720 119,940
20% 20.0% 80,480 80,435
10% 9.9% 40,240 39,733
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 29,686,555 1,486
Payment 29,686,555
Order Status 2,968,657
Delivery 2,968,657
Stock Level 2,968,654
Customer Report 29,686,555
Calibration 2 New Order 29,336,037 1,486
Payment 29,336,050
Order Status 2,933,604
Delivery 2,933,605
Stock Level 2,933,604
Customer Report 29,336,035
Calibration 3 New Order 29,197,928 1,486
Payment 29,197,925
Order Status 2,919,794
Delivery 2,919,797
Stock Level 2,919,794
Customer Report 29,197,933
100% 99.8% New Order 29,197,016 1,486
Payment 29,197,013
Order Status 2,919,702
Delivery 2,919,701
Stock Level 2,919,699
Customer Report 29,197,016
90% 90.2% New Order 26,390,302 1,486
Payment 26,390,306
Order Status 2,639,030
Delivery 2,639,030
Stock Level 2,639,030
Customer Report 26,390,307
80% 79.8% New Order 23,340,869 1,486
Payment 23,340,868
Order Status 2,334,087
Delivery 2,334,085
Stock Level 2,334,087
Customer Report 23,340,873
70% 69.7% New Order 20,385,168 1,486
Payment 20,385,169
Order Status 2,038,516
Delivery 2,038,517
Stock Level 2,038,515
Customer Report 20,385,171
60% 60.2% New Order 17,612,751 1,486
Payment 17,612,752
Order Status 1,761,276
Delivery 1,761,275
Stock Level 1,761,275
Customer Report 17,612,751
50% 49.7% New Order 14,557,757 1,486
Payment 14,557,767
Order Status 1,455,774
Delivery 1,455,777
Stock Level 1,455,776
Customer Report 14,557,755
40% 39.8% New Order 11,646,876 1,486
Payment 11,646,873
Order Status 1,164,687
Delivery 1,164,688
Stock Level 1,164,688
Customer Report 11,646,874
30% 29.8% New Order 8,724,209 1,486
Payment 8,724,210
Order Status 872,422
Delivery 872,419
Stock Level 872,419
Customer Report 8,724,215
20% 20.0% New Order 5,850,157 1,486
Payment 5,850,159
Order Status 585,013
Delivery 585,017
Stock Level 585,016
Customer Report 5,850,152
10% 9.9% New Order 2,889,660 1,486
Payment 2,889,658
Order Status 288,965
Delivery 288,968
Stock Level 288,968
Customer Report 2,889,663
Active Idle New Order 0 1,486
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0