Dell Inc. PowerEdge R7625 ssj_ops@100% = 398,604
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     409,497
Calibration 2     399,800
Calibration 3     400,219
ssj_ops@calibrated=400,009
100% 99.6% 400,009 398,604
90% 90.1% 360,008 360,251
80% 80.4% 320,007 321,689
70% 70.4% 280,007 281,429
60% 60.3% 240,006 241,128
50% 49.8% 200,005 199,390
40% 39.6% 160,004 158,418
30% 29.7% 120,003 118,901
20% 20.1% 80,002 80,305
10% 10.0% 40,001 40,130
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 29,782,967 1,486
Payment 29,782,963
Order Status 2,978,296
Delivery 2,978,298
Stock Level 2,978,296
Customer Report 29,782,968
Calibration 2 New Order 29,078,329 1,486
Payment 29,078,335
Order Status 2,907,831
Delivery 2,907,830
Stock Level 2,907,833
Customer Report 29,078,334
Calibration 3 New Order 29,108,904 1,486
Payment 29,108,889
Order Status 2,910,893
Delivery 2,910,892
Stock Level 2,910,891
Customer Report 29,108,900
100% 99.6% New Order 28,990,043 1,486
Payment 28,990,045
Order Status 2,899,004
Delivery 2,899,005
Stock Level 2,899,005
Customer Report 28,990,038
90% 90.1% New Order 26,200,839 1,486
Payment 26,200,834
Order Status 2,620,083
Delivery 2,620,086
Stock Level 2,620,085
Customer Report 26,200,837
80% 80.4% New Order 23,396,573 1,486
Payment 23,396,567
Order Status 2,339,658
Delivery 2,339,657
Stock Level 2,339,658
Customer Report 23,396,570
70% 70.4% New Order 20,468,947 1,486
Payment 20,468,943
Order Status 2,046,894
Delivery 2,046,896
Stock Level 2,046,892
Customer Report 20,468,942
60% 60.3% New Order 17,536,696 1,486
Payment 17,536,700
Order Status 1,753,671
Delivery 1,753,670
Stock Level 1,753,670
Customer Report 17,536,701
50% 49.8% New Order 14,501,130 1,486
Payment 14,501,127
Order Status 1,450,113
Delivery 1,450,110
Stock Level 1,450,113
Customer Report 14,501,127
40% 39.6% New Order 11,521,313 1,486
Payment 11,521,317
Order Status 1,152,132
Delivery 1,152,131
Stock Level 1,152,130
Customer Report 11,521,304
30% 29.7% New Order 8,647,619 1,486
Payment 8,647,614
Order Status 864,763
Delivery 864,760
Stock Level 864,761
Customer Report 8,647,610
20% 20.1% New Order 5,840,610 1,486
Payment 5,840,602
Order Status 584,062
Delivery 584,059
Stock Level 584,062
Customer Report 5,840,605
10% 10.0% New Order 2,918,733 1,486
Payment 2,918,742
Order Status 291,875
Delivery 291,875
Stock Level 291,874
Customer Report 2,918,744
Active Idle New Order 0 1,486
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0