Compal Electronics, Inc. SR224-2A ssj_ops@100% = 298,020
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     299,356
Calibration 2     299,694
Calibration 3     299,750
ssj_ops@calibrated=299,722
100% 99.4% 299,722 298,020
90% 89.7% 269,750 268,877
80% 80.1% 239,778 240,224
70% 70.1% 209,805 210,216
60% 60.4% 179,833 181,004
50% 50.0% 149,861 149,905
40% 40.1% 119,889 120,068
30% 30.0% 89,917 89,824
20% 20.2% 59,944 60,644
10% 10.1% 29,972 30,208
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 21,777,874 2,034
Payment 21,777,868
Order Status 2,177,787
Delivery 2,177,786
Stock Level 2,177,785
Customer Report 21,777,860
Calibration 2 New Order 21,809,839 2,034
Payment 21,809,828
Order Status 2,180,983
Delivery 2,180,985
Stock Level 2,180,983
Customer Report 21,809,836
Calibration 3 New Order 21,802,199 2,034
Payment 21,802,192
Order Status 2,180,219
Delivery 2,180,221
Stock Level 2,180,220
Customer Report 21,802,200
100% 99.4% New Order 21,675,869 2,034
Payment 21,675,867
Order Status 2,167,589
Delivery 2,167,588
Stock Level 2,167,586
Customer Report 21,675,865
90% 89.7% New Order 19,558,803 2,034
Payment 19,558,805
Order Status 1,955,880
Delivery 1,955,881
Stock Level 1,955,882
Customer Report 19,558,802
80% 80.1% New Order 17,471,300 2,034
Payment 17,471,306
Order Status 1,747,131
Delivery 1,747,130
Stock Level 1,747,130
Customer Report 17,471,299
70% 70.1% New Order 15,289,152 2,034
Payment 15,289,144
Order Status 1,528,916
Delivery 1,528,914
Stock Level 1,528,915
Customer Report 15,289,143
60% 60.4% New Order 13,164,005 2,034
Payment 13,164,009
Order Status 1,316,402
Delivery 1,316,399
Stock Level 1,316,401
Customer Report 13,164,006
50% 50.0% New Order 10,902,402 2,034
Payment 10,902,404
Order Status 1,090,241
Delivery 1,090,240
Stock Level 1,090,237
Customer Report 10,902,398
40% 40.1% New Order 8,732,253 2,034
Payment 8,732,248
Order Status 873,223
Delivery 873,224
Stock Level 873,222
Customer Report 8,732,243
30% 30.0% New Order 6,532,737 2,034
Payment 6,532,734
Order Status 653,274
Delivery 653,273
Stock Level 653,271
Customer Report 6,532,736
20% 20.2% New Order 4,410,711 2,034
Payment 4,410,705
Order Status 441,072
Delivery 441,072
Stock Level 441,070
Customer Report 4,410,712
10% 10.1% New Order 2,196,970 2,034
Payment 2,196,969
Order Status 219,698
Delivery 219,695
Stock Level 219,698
Customer Report 2,196,970
Active Idle New Order 0 2,034
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0