Dell Inc. PowerEdge R7625 ssj_ops@100% = 401,301
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     406,305
Calibration 2     402,377
Calibration 3     403,099
ssj_ops@calibrated=402,738
100% 99.6% 402,738 401,301
90% 90.1% 362,464 362,891
80% 80.4% 322,190 323,638
70% 70.4% 281,916 283,412
60% 60.0% 241,643 241,610
50% 49.8% 201,369 200,431
40% 40.0% 161,095 161,280
30% 30.2% 120,821 121,527
20% 20.0% 80,548 80,384
10% 10.1% 40,274 40,684
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 29,552,182 1,486
Payment 29,552,180
Order Status 2,955,219
Delivery 2,955,217
Stock Level 2,955,219
Customer Report 29,552,178
Calibration 2 New Order 29,264,283 1,486
Payment 29,264,281
Order Status 2,926,430
Delivery 2,926,428
Stock Level 2,926,426
Customer Report 29,264,278
Calibration 3 New Order 29,317,561 1,486
Payment 29,317,572
Order Status 2,931,757
Delivery 2,931,758
Stock Level 2,931,757
Customer Report 29,317,566
100% 99.6% New Order 29,188,139 1,486
Payment 29,188,140
Order Status 2,918,814
Delivery 2,918,815
Stock Level 2,918,812
Customer Report 29,188,136
90% 90.1% New Order 26,392,290 1,486
Payment 26,392,289
Order Status 2,639,230
Delivery 2,639,230
Stock Level 2,639,231
Customer Report 26,392,288
80% 80.4% New Order 23,537,315 1,486
Payment 23,537,323
Order Status 2,353,731
Delivery 2,353,733
Stock Level 2,353,732
Customer Report 23,537,319
70% 70.4% New Order 20,612,359 1,486
Payment 20,612,353
Order Status 2,061,238
Delivery 2,061,238
Stock Level 2,061,236
Customer Report 20,612,353
60% 60.0% New Order 17,572,787 1,486
Payment 17,572,782
Order Status 1,757,280
Delivery 1,757,279
Stock Level 1,757,278
Customer Report 17,572,780
50% 49.8% New Order 14,576,858 1,486
Payment 14,576,853
Order Status 1,457,687
Delivery 1,457,685
Stock Level 1,457,685
Customer Report 14,576,861
40% 40.0% New Order 11,729,504 1,486
Payment 11,729,500
Order Status 1,172,953
Delivery 1,172,952
Stock Level 1,172,952
Customer Report 11,729,500
30% 30.2% New Order 8,838,800 1,486
Payment 8,838,793
Order Status 883,879
Delivery 883,877
Stock Level 883,880
Customer Report 8,838,789
20% 20.0% New Order 5,846,339 1,486
Payment 5,846,342
Order Status 584,634
Delivery 584,632
Stock Level 584,636
Customer Report 5,846,330
10% 10.1% New Order 2,958,926 1,486
Payment 2,958,927
Order Status 295,894
Delivery 295,893
Stock Level 295,895
Customer Report 2,958,927
Active Idle New Order 0 1,486
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0