Compal Electronics, Inc. SR224-2A ssj_ops@100% = 298,929
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     299,628
Calibration 2     300,048
Calibration 3     299,630
ssj_ops@calibrated=299,839
100% 99.7% 299,839 298,929
90% 90.1% 269,855 270,254
80% 80.5% 239,871 241,415
70% 69.8% 209,887 209,361
60% 60.3% 179,903 180,911
50% 50.5% 149,920 151,320
40% 40.2% 119,936 120,396
30% 30.1% 89,952 90,116
20% 20.0% 59,968 59,849
10% 10.1% 29,984 30,211
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 21,802,438 2,034
Payment 21,802,440
Order Status 2,180,243
Delivery 2,180,243
Stock Level 2,180,245
Customer Report 21,802,436
Calibration 2 New Order 21,830,092 2,034
Payment 21,830,087
Order Status 2,183,009
Delivery 2,183,009
Stock Level 2,183,010
Customer Report 21,830,086
Calibration 3 New Order 21,794,852 2,034
Payment 21,794,856
Order Status 2,179,484
Delivery 2,179,487
Stock Level 2,179,484
Customer Report 21,794,858
100% 99.7% New Order 21,748,950 2,034
Payment 21,748,942
Order Status 2,174,895
Delivery 2,174,897
Stock Level 2,174,895
Customer Report 21,748,946
90% 90.1% New Order 19,656,655 2,034
Payment 19,656,665
Order Status 1,965,666
Delivery 1,965,668
Stock Level 1,965,668
Customer Report 19,656,663
80% 80.5% New Order 17,557,755 2,034
Payment 17,557,751
Order Status 1,755,774
Delivery 1,755,776
Stock Level 1,755,775
Customer Report 17,557,753
70% 69.8% New Order 15,227,528 2,034
Payment 15,227,525
Order Status 1,522,752
Delivery 1,522,752
Stock Level 1,522,755
Customer Report 15,227,523
60% 60.3% New Order 13,157,552 2,034
Payment 13,157,557
Order Status 1,315,755
Delivery 1,315,757
Stock Level 1,315,755
Customer Report 13,157,557
50% 50.5% New Order 11,005,273 2,034
Payment 11,005,270
Order Status 1,100,530
Delivery 1,100,525
Stock Level 1,100,526
Customer Report 11,005,265
40% 40.2% New Order 8,756,557 2,034
Payment 8,756,557
Order Status 875,655
Delivery 875,656
Stock Level 875,655
Customer Report 8,756,549
30% 30.1% New Order 6,554,025 2,034
Payment 6,554,025
Order Status 655,404
Delivery 655,403
Stock Level 655,402
Customer Report 6,554,028
20% 20.0% New Order 4,352,725 2,034
Payment 4,352,727
Order Status 435,273
Delivery 435,271
Stock Level 435,272
Customer Report 4,352,732
10% 10.1% New Order 2,197,273 2,034
Payment 2,197,272
Order Status 219,725
Delivery 219,729
Stock Level 219,728
Customer Report 2,197,273
Active Idle New Order 0 2,034
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0