Dell Inc. PowerEdge R7625 ssj_ops@100% = 383,519
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     387,554
Calibration 2     384,610
Calibration 3     385,641
ssj_ops@calibrated=385,126
100% 99.6% 385,126 383,519
90% 89.8% 346,613 345,830
80% 80.2% 308,100 309,041
70% 70.2% 269,588 270,224
60% 59.6% 231,075 229,651
50% 49.7% 192,563 191,554
40% 40.3% 154,050 155,351
30% 30.0% 115,538 115,548
20% 20.0% 77,025 77,201
10% 10.0% 38,513 38,405
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 28,188,715 1,486
Payment 28,188,716
Order Status 2,818,872
Delivery 2,818,869
Stock Level 2,818,872
Customer Report 28,188,712
Calibration 2 New Order 27,972,142 1,486
Payment 27,972,145
Order Status 2,797,215
Delivery 2,797,214
Stock Level 2,797,216
Customer Report 27,972,138
Calibration 3 New Order 28,047,159 1,486
Payment 28,047,159
Order Status 2,804,714
Delivery 2,804,716
Stock Level 2,804,718
Customer Report 28,047,160
100% 99.6% New Order 27,893,669 1,486
Payment 27,893,676
Order Status 2,789,368
Delivery 2,789,367
Stock Level 2,789,368
Customer Report 27,893,676
90% 89.8% New Order 25,152,089 1,486
Payment 25,152,079
Order Status 2,515,209
Delivery 2,515,210
Stock Level 2,515,208
Customer Report 25,152,087
80% 80.2% New Order 22,475,739 1,486
Payment 22,475,737
Order Status 2,247,576
Delivery 2,247,573
Stock Level 2,247,573
Customer Report 22,475,737
70% 70.2% New Order 19,653,628 1,486
Payment 19,653,628
Order Status 1,965,364
Delivery 1,965,364
Stock Level 1,965,363
Customer Report 19,653,626
60% 59.6% New Order 16,701,947 1,486
Payment 16,701,941
Order Status 1,670,194
Delivery 1,670,193
Stock Level 1,670,195
Customer Report 16,701,946
50% 49.7% New Order 13,931,447 1,486
Payment 13,931,453
Order Status 1,393,144
Delivery 1,393,146
Stock Level 1,393,144
Customer Report 13,931,449
40% 40.3% New Order 11,298,309 1,486
Payment 11,298,303
Order Status 1,129,830
Delivery 1,129,829
Stock Level 1,129,832
Customer Report 11,298,302
30% 30.0% New Order 8,403,801 1,486
Payment 8,403,800
Order Status 840,380
Delivery 840,382
Stock Level 840,381
Customer Report 8,403,799
20% 20.0% New Order 5,614,916 1,486
Payment 5,614,914
Order Status 561,493
Delivery 561,490
Stock Level 561,490
Customer Report 5,614,912
10% 10.0% New Order 2,793,304 1,486
Payment 2,793,313
Order Status 279,331
Delivery 279,330
Stock Level 279,331
Customer Report 2,793,313
Active Idle New Order 0 1,486
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0