Dell Inc. PowerEdge R7725 ssj_ops@100% = 512,000
Test Sponsor: Dell Inc. SPEC License #: 6573 Test Method: Single Node
Tested By: Dell Inc. Test Location: Round Rock, TX, USA Test Date: Dec 19, 2025
Hardware Availability: Nov-2024 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     516,047
Calibration 2     512,860
Calibration 3     513,937
ssj_ops@calibrated=513,399
100% 99.7% 513,399 512,000
90% 90.3% 462,059 463,434
80% 80.1% 410,719 411,352
70% 70.2% 359,379 360,324
60% 60.0% 308,039 308,187
50% 50.1% 256,699 257,079
40% 39.9% 205,359 204,619
30% 29.8% 154,020 152,854
20% 19.9% 102,680 102,225
10% 10.1% 51,340 51,666
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 R7725
Hardware
Hardware Vendor: Dell Inc.
Model: PowerEdge R7725
Form Factor: 2U
CPU Name: AMD EPYC 9355 3.55 GHz
CPU Characteristics: 32 core, 3.55 GHz, 256 MB L3 Cache, Max Boost Clock up to 4.4 GHz
CPU Frequency (MHz): 3550
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 + 48 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 PC5-6400-R, Slots A1-12, B1-12 populated.
Power Supply Quantity and Rating (W): 2 x 3200
Power Supply Details: 2 x Delta 3200W Titanium Efficiency (DPN - J0KHH)
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 5719 Quad Port 1GbE LOM, 1 x Broadcom 57414 Dual Port 25GbE LOM
NICs Enabled in Firmware / OS / Connected: 6/6/1
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: 1.5.3
Management Firmware Version: 1.20.80.50 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 37,532,648 1,486
Payment 37,532,657
Order Status 3,753,266
Delivery 3,753,265
Stock Level 3,753,267
Customer Report 37,532,647
Calibration 2 New Order 37,299,212 1,486
Payment 37,299,206
Order Status 3,729,921
Delivery 3,729,920
Stock Level 3,729,921
Customer Report 37,299,212
Calibration 3 New Order 37,378,007 1,486
Payment 37,377,999
Order Status 3,737,799
Delivery 3,737,800
Stock Level 3,737,797
Customer Report 37,378,000
100% 99.7% New Order 37,238,694 1,486
Payment 37,238,693
Order Status 3,723,871
Delivery 3,723,870
Stock Level 3,723,870
Customer Report 37,238,690
90% 90.3% New Order 33,704,551 1,486
Payment 33,704,548
Order Status 3,370,456
Delivery 3,370,455
Stock Level 3,370,454
Customer Report 33,704,556
80% 80.1% New Order 29,917,320 1,486
Payment 29,917,319
Order Status 2,991,731
Delivery 2,991,732
Stock Level 2,991,731
Customer Report 29,917,325
70% 70.2% New Order 26,205,543 1,486
Payment 26,205,535
Order Status 2,620,556
Delivery 2,620,554
Stock Level 2,620,551
Customer Report 26,205,538
60% 60.0% New Order 22,416,927 1,486
Payment 22,416,922
Order Status 2,241,692
Delivery 2,241,692
Stock Level 2,241,694
Customer Report 22,416,927
50% 50.1% New Order 18,697,211 1,486
Payment 18,697,208
Order Status 1,869,720
Delivery 1,869,721
Stock Level 1,869,721
Customer Report 18,697,207
40% 39.9% New Order 14,881,690 1,486
Payment 14,881,693
Order Status 1,488,168
Delivery 1,488,168
Stock Level 1,488,170
Customer Report 14,881,685
30% 29.8% New Order 11,116,773 1,486
Payment 11,116,773
Order Status 1,111,677
Delivery 1,111,678
Stock Level 1,111,677
Customer Report 11,116,779
20% 19.9% New Order 7,434,858 1,486
Payment 7,434,865
Order Status 743,485
Delivery 743,487
Stock Level 743,486
Customer Report 7,434,852
10% 10.1% New Order 3,757,574 1,486
Payment 3,757,576
Order Status 375,756
Delivery 375,758
Stock Level 375,758
Customer Report 3,757,578
Active Idle New Order 0 1,486
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0