Compal Electronics, Inc. SR224-2A ssj_ops@100% = 296,540
Test Sponsor: Compal Electronics, Inc. SPEC License #: 6857 Test Method: Single Node
Tested By: Compal Electronics, Inc. Test Location: Neihu Dist, Taipei City, Taiwan (R.O.C.) Test Date: Jan 20, 2026
Hardware Availability: Mar-2025 Software Availability: Nov-2025 Publication: Mar 9, 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     298,492
Calibration 2     298,428
Calibration 3     295,336
ssj_ops@calibrated=296,882
100% 99.9% 296,882 296,540
90% 90.1% 267,194 267,431
80% 79.5% 237,505 235,997
70% 69.9% 207,817 207,634
60% 59.3% 178,129 176,138
50% 50.1% 148,441 148,612
40% 40.0% 118,753 118,818
30% 30.0% 89,065 88,995
20% 20.0% 59,376 59,309
10% 10.1% 29,688 30,094
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: SUT
Hardware
Hardware Vendor: Compal Electronics, Inc.
Model: SR224-2A
Form Factor: 2U
CPU Name: AMD EPYC 9755 2.7 GHz
CPU Characteristics: 128 core, 2.7GHz, 512MB L3 Cache
CPU Frequency (MHz): 2700
CPU(s) Enabled: 256 cores, 2 chips, 128 cores/chip
Hardware Threads: 512 (2 / core)
CPU(s) Orderable: 1,2 chips
Primary Cache: 32 KB I + 48 KB D on chip per core
Secondary Cache: 1 MB I+D on chip per core
Tertiary Cache: 512 MB I+D on chip per chip, 32 MB shared/8 cores
Other Cache: None
Memory Amount (GB): 384
# and size of DIMM: 24 x 16384 MB
Memory Details: [16GB 1Rx8 PC5-4800; slots A0, B0, C0, D0, E0, F0, G0 ,H0 ,I0 ,J0 ,K0 ,L0 populated]
Power Supply Quantity and Rating (W): 1 x 1300
Power Supply Details: Acbel R1CA2132A-T00A
Disk Drive: 1 x 1TB M.2 NVMe Express SSD
Disk Controller: Integrated PCIe controller
# and type of Network Interface Cards (NICs) Installed: 1 x OCP i350 4-port
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: Preferred plans in OS: Power Saver (see SUT Notes)
Operating System (OS): Microsoft Windows Server 2022 Datacenter Evaluation
OS Version: Version 21H2 (OS Build 20348.3807)
Filesystem: NTFS
JVM Vendor: Oracle
JVM Version: "17.0.12" 2024-07-16 LTS Java(TM) SE Runtime Environment (build 17.0.12+8-LTS-286) Java HotSpot(TM) 64-Bit Server VM (build 17.0.12+8-LTS-286, mixed mode, sharing)
JVM Command-line Options: -server -Xms2048m -Xmx2048m -Xmn1900m -XX:+UseParallelGC -XX:ParallelGCThreads=2 -XX:+UseLargePages -XX:LargePageSizeInBytes=2m -XX:+UseBiasedLocking -XX:InlineSmallCode=3900 -XX:UseAVX=0 -XX:AutoBoxCacheMax=20000 -XX:+OptimizeFill -XX:+AggressiveHeap -XX:FreqInlineSize=2500 -XX:AllocatePrefetchDistance=256 -XX:AllocatePrefetchLines=8
JVM Affinity: start /NODE [0-31] /AFFINITY [0xF,0xF0,0xF00,0xF000]
JVM Instances: 128
JVM Initial Heap (MB): 2048
JVM Maximum Heap (MB): 2048
JVM Address Bits: 64
Boot Firmware Version: 10.27.0
Management Firmware Version: 1.41.0
Workload Version: SSJ 1.2.10
Director Location: Controller
Other Software: None
Boot Firmware Settings
Management Firmware Settings
none
System Under Test Notes
Notes
None
Performance Details
Target Load Actual Load Transaction Type Count Total Heap (MB)
Calibration 1 New Order 21,714,994 2,034
Payment 21,715,001
Order Status 2,171,501
Delivery 2,171,499
Stock Level 2,171,502
Customer Report 21,714,999
Calibration 2 New Order 21,705,116 2,034
Payment 21,705,121
Order Status 2,170,512
Delivery 2,170,513
Stock Level 2,170,511
Customer Report 21,705,125
Calibration 3 New Order 21,489,457 2,034
Payment 21,489,468
Order Status 2,148,948
Delivery 2,148,946
Stock Level 2,148,945
Customer Report 21,489,463
100% 99.9% New Order 21,567,305 2,034
Payment 21,567,298
Order Status 2,156,732
Delivery 2,156,731
Stock Level 2,156,729
Customer Report 21,567,305
90% 90.1% New Order 19,449,762 2,034
Payment 19,449,769
Order Status 1,944,978
Delivery 1,944,976
Stock Level 1,944,975
Customer Report 19,449,764
80% 79.5% New Order 17,163,914 2,034
Payment 17,163,915
Order Status 1,716,389
Delivery 1,716,389
Stock Level 1,716,390
Customer Report 17,163,911
70% 69.9% New Order 15,101,082 2,034
Payment 15,101,081
Order Status 1,510,107
Delivery 1,510,108
Stock Level 1,510,110
Customer Report 15,101,078
60% 59.3% New Order 12,810,228 2,034
Payment 12,810,236
Order Status 1,281,021
Delivery 1,281,023
Stock Level 1,281,023
Customer Report 12,810,226
50% 50.1% New Order 10,809,328 2,034
Payment 10,809,326
Order Status 1,080,934
Delivery 1,080,933
Stock Level 1,080,932
Customer Report 10,809,326
40% 40.0% New Order 8,641,419 2,034
Payment 8,641,410
Order Status 864,142
Delivery 864,141
Stock Level 864,142
Customer Report 8,641,422
30% 30.0% New Order 6,472,722 2,034
Payment 6,472,713
Order Status 647,272
Delivery 647,271
Stock Level 647,271
Customer Report 6,472,718
20% 20.0% New Order 4,313,621 2,034
Payment 4,313,615
Order Status 431,363
Delivery 431,360
Stock Level 431,363
Customer Report 4,313,615
10% 10.1% New Order 2,188,787 2,034
Payment 2,188,789
Order Status 218,878
Delivery 218,879
Stock Level 218,877
Customer Report 2,188,790
Active Idle New Order 0 2,034
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0