Compal Electronics, Inc. SR224-2A ssj_ops@100% = 300,412
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     301,288
Calibration 2     301,107
Calibration 3     301,409
ssj_ops@calibrated=301,258
100% 99.7% 301,258 300,412
90% 89.7% 271,132 270,126
80% 80.5% 241,006 242,448
70% 70.4% 210,881 211,991
60% 59.9% 180,755 180,572
50% 50.0% 150,629 150,570
40% 40.0% 120,503 120,498
30% 29.6% 90,377 89,162
20% 20.3% 60,252 61,293
10% 9.9% 30,126 29,853
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 21,916,094 2,034
Payment 21,916,092
Order Status 2,191,609
Delivery 2,191,609
Stock Level 2,191,611
Customer Report 21,916,095
Calibration 2 New Order 21,902,044 2,034
Payment 21,902,049
Order Status 2,190,203
Delivery 2,190,203
Stock Level 2,190,204
Customer Report 21,902,037
Calibration 3 New Order 21,925,714 2,034
Payment 21,925,713
Order Status 2,192,569
Delivery 2,192,568
Stock Level 2,192,571
Customer Report 21,925,719
100% 99.7% New Order 21,849,824 2,034
Payment 21,849,823
Order Status 2,184,981
Delivery 2,184,981
Stock Level 2,184,981
Customer Report 21,849,825
90% 89.7% New Order 19,648,616 2,034
Payment 19,648,606
Order Status 1,964,861
Delivery 1,964,862
Stock Level 1,964,861
Customer Report 19,648,609
80% 80.5% New Order 17,635,269 2,034
Payment 17,635,263
Order Status 1,763,526
Delivery 1,763,528
Stock Level 1,763,525
Customer Report 17,635,264
70% 70.4% New Order 15,418,478 2,034
Payment 15,418,467
Order Status 1,541,848
Delivery 1,541,849
Stock Level 1,541,846
Customer Report 15,418,477
60% 59.9% New Order 13,132,892 2,034
Payment 13,132,890
Order Status 1,313,290
Delivery 1,313,289
Stock Level 1,313,288
Customer Report 13,132,890
50% 50.0% New Order 10,951,060 2,034
Payment 10,951,050
Order Status 1,095,105
Delivery 1,095,106
Stock Level 1,095,108
Customer Report 10,951,049
40% 40.0% New Order 8,763,609 2,034
Payment 8,763,609
Order Status 876,361
Delivery 876,360
Stock Level 876,363
Customer Report 8,763,605
30% 29.6% New Order 6,484,702 2,034
Payment 6,484,696
Order Status 648,470
Delivery 648,469
Stock Level 648,471
Customer Report 6,484,703
20% 20.3% New Order 4,457,831 2,034
Payment 4,457,833
Order Status 445,784
Delivery 445,783
Stock Level 445,784
Customer Report 4,457,829
10% 9.9% New Order 2,171,214 2,034
Payment 2,171,211
Order Status 217,122
Delivery 217,121
Stock Level 217,124
Customer Report 2,171,208
Active Idle New Order 0 2,034
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0