Dell Inc. PowerEdge R7625 ssj_ops@100% = 380,207
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     391,339
Calibration 2     380,778
Calibration 3     380,201
ssj_ops@calibrated=380,489
100% 99.9% 380,489 380,207
90% 90.0% 342,440 342,256
80% 80.1% 304,391 304,894
70% 69.5% 266,342 264,603
60% 60.7% 228,294 231,000
50% 49.9% 190,245 190,010
40% 39.8% 152,196 151,411
30% 30.2% 114,147 114,813
20% 19.8% 76,098 75,420
10% 10.0% 38,049 38,127
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 28,465,281 1,486
Payment 28,465,279
Order Status 2,846,527
Delivery 2,846,527
Stock Level 2,846,528
Customer Report 28,465,276
Calibration 2 New Order 27,693,404 1,486
Payment 27,693,410
Order Status 2,769,340
Delivery 2,769,341
Stock Level 2,769,341
Customer Report 27,693,410
Calibration 3 New Order 27,651,628 1,486
Payment 27,651,622
Order Status 2,765,162
Delivery 2,765,161
Stock Level 2,765,162
Customer Report 27,651,621
100% 99.9% New Order 27,651,851 1,486
Payment 27,651,857
Order Status 2,765,185
Delivery 2,765,185
Stock Level 2,765,186
Customer Report 27,651,852
90% 90.0% New Order 24,891,365 1,486
Payment 24,891,374
Order Status 2,489,136
Delivery 2,489,136
Stock Level 2,489,138
Customer Report 24,891,370
80% 80.1% New Order 22,175,555 1,486
Payment 22,175,550
Order Status 2,217,556
Delivery 2,217,555
Stock Level 2,217,554
Customer Report 22,175,549
70% 69.5% New Order 19,243,869 1,486
Payment 19,243,875
Order Status 1,924,386
Delivery 1,924,387
Stock Level 1,924,388
Customer Report 19,243,875
60% 60.7% New Order 16,800,856 1,486
Payment 16,800,858
Order Status 1,680,088
Delivery 1,680,087
Stock Level 1,680,085
Customer Report 16,800,856
50% 49.9% New Order 13,823,257 1,486
Payment 13,823,251
Order Status 1,382,327
Delivery 1,382,327
Stock Level 1,382,325
Customer Report 13,823,261
40% 39.8% New Order 11,012,468 1,486
Payment 11,012,478
Order Status 1,101,246
Delivery 1,101,248
Stock Level 1,101,248
Customer Report 11,012,473
30% 30.2% New Order 8,350,299 1,486
Payment 8,350,299
Order Status 835,029
Delivery 835,028
Stock Level 835,031
Customer Report 8,350,292
20% 19.8% New Order 5,485,296 1,486
Payment 5,485,300
Order Status 548,528
Delivery 548,530
Stock Level 548,530
Customer Report 5,485,294
10% 10.0% New Order 2,773,028 1,486
Payment 2,773,030
Order Status 277,303
Delivery 277,303
Stock Level 277,303
Customer Report 2,773,033
Active Idle New Order 0 1,486
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0