Dell Inc. PowerEdge R7625 ssj_ops@100% = 397,444
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     397,510
Calibration 2     399,255
Calibration 3     399,515
ssj_ops@calibrated=399,385
100% 99.5% 399,385 397,444
90% 89.8% 359,447 358,461
80% 79.7% 319,508 318,327
70% 70.3% 279,570 280,889
60% 59.8% 239,631 238,641
50% 49.7% 199,693 198,604
40% 40.0% 159,754 159,590
30% 29.9% 119,816 119,338
20% 20.0% 79,877 79,874
10% 10.0% 39,939 39,786
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 28,911,711 1,486
Payment 28,911,714
Order Status 2,891,171
Delivery 2,891,171
Stock Level 2,891,172
Customer Report 28,911,710
Calibration 2 New Order 29,037,658 1,486
Payment 29,037,656
Order Status 2,903,766
Delivery 2,903,766
Stock Level 2,903,765
Customer Report 29,037,657
Calibration 3 New Order 29,056,321 1,486
Payment 29,056,320
Order Status 2,905,632
Delivery 2,905,635
Stock Level 2,905,631
Customer Report 29,056,322
100% 99.5% New Order 28,906,761 1,486
Payment 28,906,762
Order Status 2,890,676
Delivery 2,890,677
Stock Level 2,890,677
Customer Report 28,906,762
90% 89.8% New Order 26,071,192 1,486
Payment 26,071,191
Order Status 2,607,118
Delivery 2,607,118
Stock Level 2,607,121
Customer Report 26,071,190
80% 79.7% New Order 23,152,020 1,486
Payment 23,152,016
Order Status 2,315,200
Delivery 2,315,202
Stock Level 2,315,201
Customer Report 23,152,011
70% 70.3% New Order 20,428,603 1,486
Payment 20,428,601
Order Status 2,042,860
Delivery 2,042,859
Stock Level 2,042,861
Customer Report 20,428,601
60% 59.8% New Order 17,355,787 1,486
Payment 17,355,799
Order Status 1,735,578
Delivery 1,735,577
Stock Level 1,735,579
Customer Report 17,355,793
50% 49.7% New Order 14,444,547 1,486
Payment 14,444,552
Order Status 1,444,454
Delivery 1,444,456
Stock Level 1,444,454
Customer Report 14,444,544
40% 40.0% New Order 11,606,555 1,486
Payment 11,606,559
Order Status 1,160,654
Delivery 1,160,655
Stock Level 1,160,658
Customer Report 11,606,564
30% 29.9% New Order 8,679,198 1,486
Payment 8,679,202
Order Status 867,921
Delivery 867,918
Stock Level 867,923
Customer Report 8,679,198
20% 20.0% New Order 5,809,032 1,486
Payment 5,809,028
Order Status 580,901
Delivery 580,904
Stock Level 580,904
Customer Report 5,809,033
10% 10.0% New Order 2,893,640 1,486
Payment 2,893,634
Order Status 289,363
Delivery 289,364
Stock Level 289,365
Customer Report 2,893,635
Active Idle New Order 0 1,486
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0