Compal Electronics, Inc. SD223-8A ssj_ops@100% = 57,260,598
ssj_ops@100% per Host = 14,315,150
ssj_ops@100% per JVM = 223,674
Test Sponsor: Compal Electronics, Inc. SPEC License #: 6857 Test Method: Multi Node
Tested By: Compal Electronics, Inc. Test Location: Neihu Dist, Taipei City, Taiwan (R.O.C.) Test Date: Feb 10, 2026
Hardware Availability: May-2025 Software Availability: Sep-2025 Publication: Mar 17, 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     57,725,365
Calibration 2     57,375,847
Calibration 3     57,465,306
ssj_ops@calibrated=57,420,577
100% 99.7% 57,420,577 57,260,598
90% 90.0% 51,678,519 51,681,983
80% 80.0% 45,936,461 45,938,940
70% 70.0% 40,194,404 40,195,923
60% 60.0% 34,452,346 34,459,712
50% 50.0% 28,710,288 28,686,524
40% 40.0% 22,968,231 22,967,565
30% 30.0% 17,226,173 17,211,693
20% 20.0% 11,484,115 11,481,718
10% 10.0% 5,742,058 5,737,201
Active Idle   0 0
Graph of results
Aggregate SUT Data
# of Nodes # of Chips # of Cores # of Threads Total RAM (GB) # of OS Images # of JVM Instances
4 8 256 512 1,536 4 256
System Under Test
Shared Hardware
Shared Hardware
Enclosure: SD223-8A
Form Factor: 2U
Power Supply Quantity and Rating (W): 2 x 1600
Power Supply Details: 1600W Titanium Efficiency, AcBel p/n R1CA2162D-T00A
Network Switch: None
Network Switch Details: None
KVM Switch: None
KVM Switch Details: N/A
Other Hardware: None
Comment: None
Set: 'sut'
Set Identifier: sut
Set Description: System Under Test
# of Identical Nodes: 4
Comment: SUT
Hardware per Node
Hardware Vendor: Compal Electronics, Inc.
Model: SD223-8A
Form Factor: 2U
CPU Name: AMD EPYC 9355 3.55 GHz
CPU Characteristics: 32 core, 3.55GHz, 256MB L3 Cache
CPU Frequency (MHz): 3550
CPU(s) Enabled: 64 cores, 2 chips, 32 cores/chip
Hardware Threads: 128 (2 / core)
CPU(s) Orderable: 1,2 chips
Primary Cache: 48 KB I + 48 KB D on chip per core
Secondary Cache: 1 MB I+D on chip per core
Tertiary Cache: 256 MB I+D on chip per chip, 32 MB shared/4 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): None
Power Supply Details: Shared
Disk Drive: 1 x 960G M.2 NVMe Express SSD, Micron p/n MTFDKBA960TFR-1BC1ZABDA
Disk Controller: Integrated PCIe controller
# and type of Network Interface Cards (NICs) Installed: 1 x PCIE i350 4-port, LR-LINK p/n LREC9714HT-PCIE
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 per Node
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 20348.4648)
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 -Xmn1450m -Xms1650m -Xmx1650m -XX:ParallelGCThreads=2 -XX:+UseLargePages -XX:LargePageSizeInBytes=2m -XX:UseAVX=0 -XX:AutoBoxCacheMax=20000 -XX:+UseParallelGC -XX:+OptimizeFill -XX:+AggressiveHeap -XX:FreqInlineSize=2500 -XX:InlineSmallCode=3900 -XX:+UseBiasedLocking -XX:AllocatePrefetchDistance=256 -XX:AllocatePrefetchLines=8 -XX:+UseNUMA
JVM Affinity: start /NODE [0-15] /AFFINITY [0x3,0xC,0x30,0xC0]
JVM Instances: 64
JVM Initial Heap (MB): 2048
JVM Maximum Heap (MB): 2048
JVM Address Bits: 64
Boot Firmware Version: 2.12.0
Management Firmware Version: 1.29.0
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
Host Instance Summary
Host ssj_ops@100%
NODE1 14,335,993
NODE2 14,298,403
NODE3 14,314,215
NODE4 14,311,987
ssj_ops@100% 57,260,598
ssj_ops@100% per Host 14,315,150
ssj_ops@100% per JVM 223,674
Graph of per-host results
Host 'NODE1' Scores:
Target Load Actual Load ssj_ops
Target Actual
Calibration 1     14,466,930
Calibration 2     14,367,965
Calibration 3     14,385,403
ssj_ops@calibrated=14,376,684
100% 99.7% 14,376,684 14,335,993
90% 89.9% 12,939,015 12,928,643
80% 80.0% 11,501,347 11,504,408
70% 70.0% 10,063,679 10,061,577
60% 60.0% 8,626,010 8,626,679
50% 49.9% 7,188,342 7,180,436
40% 40.0% 5,750,674 5,751,155
30% 30.0% 4,313,005 4,309,061
20% 20.0% 2,875,337 2,878,783
10% 10.0% 1,437,668 1,434,152
Active Idle   0 0
Graph of results
Host 'NODE2' Scores:
Target Load Actual Load ssj_ops
Target Actual
Calibration 1     14,414,668
Calibration 2     14,327,357
Calibration 3     14,356,304
ssj_ops@calibrated=14,341,831
100% 99.7% 14,341,831 14,298,403
90% 90.1% 12,907,648 12,919,117
80% 80.0% 11,473,465 11,476,272
70% 70.0% 10,039,282 10,035,500
60% 60.1% 8,605,098 8,614,529
50% 50.0% 7,170,915 7,168,459
40% 40.0% 5,736,732 5,736,765
30% 30.0% 4,302,549 4,298,810
20% 20.0% 2,868,366 2,867,975
10% 10.0% 1,434,183 1,435,391
Active Idle   0 0
Graph of results
Host 'NODE3' Scores:
Target Load Actual Load ssj_ops
Target Actual
Calibration 1     14,426,132
Calibration 2     14,342,121
Calibration 3     14,370,684
ssj_ops@calibrated=14,356,402
100% 99.7% 14,356,402 14,314,215
90% 90.0% 12,920,762 12,924,584
80% 80.0% 11,485,122 11,479,664
70% 70.0% 10,049,482 10,048,201
60% 60.0% 8,613,841 8,620,563
50% 50.0% 7,178,201 7,177,546
40% 40.0% 5,742,561 5,745,224
30% 30.0% 4,306,921 4,300,473
20% 20.0% 2,871,280 2,866,669
10% 10.0% 1,435,640 1,433,165
Active Idle   0 0
Graph of results
Host 'NODE4' Scores:
Target Load Actual Load ssj_ops
Target Actual
Calibration 1     14,417,636
Calibration 2     14,338,404
Calibration 3     14,352,916
ssj_ops@calibrated=14,345,660
100% 99.8% 14,345,660 14,311,987
90% 90.0% 12,911,094 12,909,639
80% 80.0% 11,476,528 11,478,595
70% 70.1% 10,041,962 10,050,646
60% 59.9% 8,607,396 8,597,941
50% 49.9% 7,172,830 7,160,083
40% 40.0% 5,738,264 5,734,421
30% 30.0% 4,303,698 4,303,350
20% 20.0% 2,869,132 2,868,291
10% 10.0% 1,434,566 1,434,494
Active Idle   0 0
Graph of results