Compal Electronics, Inc. SR224-2A ssj_ops@100% = 280,772
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     282,937
Calibration 2     282,530
Calibration 3     282,000
ssj_ops@calibrated=282,265
100% 99.5% 282,265 280,772
90% 90.7% 254,038 255,889
80% 79.9% 225,812 225,664
70% 69.9% 197,585 197,221
60% 59.7% 169,359 168,447
50% 49.4% 141,132 139,413
40% 39.8% 112,906 112,206
30% 29.7% 84,679 83,868
20% 20.2% 56,453 56,920
10% 10.0% 28,226 28,261
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 20,591,956 2,034
Payment 20,591,957
Order Status 2,059,196
Delivery 2,059,193
Stock Level 2,059,195
Customer Report 20,591,956
Calibration 2 New Order 20,562,228 2,034
Payment 20,562,229
Order Status 2,056,221
Delivery 2,056,223
Stock Level 2,056,223
Customer Report 20,562,219
Calibration 3 New Order 20,513,265 2,034
Payment 20,513,266
Order Status 2,051,327
Delivery 2,051,327
Stock Level 2,051,326
Customer Report 20,513,268
100% 99.5% New Order 20,434,660 2,034
Payment 20,434,660
Order Status 2,043,467
Delivery 2,043,467
Stock Level 2,043,464
Customer Report 20,434,674
90% 90.7% New Order 18,611,262 2,034
Payment 18,611,260
Order Status 1,861,125
Delivery 1,861,125
Stock Level 1,861,127
Customer Report 18,611,258
80% 79.9% New Order 16,417,855 2,034
Payment 16,417,846
Order Status 1,641,784
Delivery 1,641,786
Stock Level 1,641,785
Customer Report 16,417,848
70% 69.9% New Order 14,347,766 2,034
Payment 14,347,766
Order Status 1,434,779
Delivery 1,434,774
Stock Level 1,434,776
Customer Report 14,347,767
60% 59.7% New Order 12,252,979 2,034
Payment 12,252,980
Order Status 1,225,298
Delivery 1,225,298
Stock Level 1,225,297
Customer Report 12,252,985
50% 49.4% New Order 10,139,511 2,034
Payment 10,139,508
Order Status 1,013,952
Delivery 1,013,952
Stock Level 1,013,952
Customer Report 10,139,507
40% 39.8% New Order 8,160,547 2,034
Payment 8,160,554
Order Status 816,055
Delivery 816,055
Stock Level 816,054
Customer Report 8,160,550
30% 29.7% New Order 6,099,979 2,034
Payment 6,099,987
Order Status 609,999
Delivery 610,001
Stock Level 609,997
Customer Report 6,099,980
20% 20.2% New Order 4,139,697 2,034
Payment 4,139,697
Order Status 413,970
Delivery 413,970
Stock Level 413,970
Customer Report 4,139,696
10% 10.0% New Order 2,055,451 2,034
Payment 2,055,460
Order Status 205,545
Delivery 205,545
Stock Level 205,546
Customer Report 2,055,453
Active Idle New Order 0 2,034
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0