Lenovo Global Technology ThinkSystem ST45 V3 ssj_ops@100% = 441,742
Test Sponsor: Lenovo Global Technology SPEC License #: 9017 Test Method: Single Node
Tested By: Lenovo Global Technology Test Location: Beijing, China Test Date: Nov 24, 2025
Hardware Availability: Nov-2025 Software Availability: Jun-2025 Publication: Jan 27, 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     309,363
Calibration 2     442,466
Calibration 3     443,211
ssj_ops@calibrated=442,839
100% 99.8% 442,839 441,742
90% 90.2% 398,555 399,388
80% 80.1% 354,271 354,695
70% 70.2% 309,987 310,730
60% 60.1% 265,703 266,108
50% 50.1% 221,419 221,906
40% 40.2% 177,135 177,904
30% 30.2% 132,852 133,740
20% 20.0% 88,568 88,783
10% 10.2% 44,284 45,261
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: Lenovo Global Technology
Model: ThinkSystem ST45 V3
Form Factor: Tower
CPU Name: AMD EPYC 4465P
CPU Characteristics: 12 core, 3.4GHz, 64MB L3 Cache
CPU Frequency (MHz): 3400
CPU(s) Enabled: 12 cores, 1 chip, 12 cores/chip
Hardware Threads: 24 (2 / core)
CPU(s) Orderable: 1 chip
Primary Cache: 32 KB I + 64 KB D on chip per core
Secondary Cache: 512 KB I+D on chip per core
Tertiary Cache: 64 MB I+D off chip per chip
Other Cache: None
Memory Amount (GB): 32.0
# and size of DIMM: 2 x 16 GB
Memory Details: 2 x 16GB 1Rx8 PC5-5600;slots 1 and 2 populated
Power Supply Quantity and Rating (W): 1 x 300
Power Supply Details: Lenovo
Disk Drive: 1 x 480GB M.2 NVMe SSD P/N:4XB7A83139
Disk Controller: Integrated NVME controller
# and type of Network Interface Cards (NICs) Installed: 1 x ThinkSystem 1GbE RJ45 1-port
NICs Enabled in Firmware / OS / Connected: 1/1/1
Network Speed (Mbit): 1000
Keyboard: None
Mouse: None
Monitor: None
Optical Drives: No
Other Hardware: None
Software
Power Management: Enabled (see SUT Notes)
Operating System (OS): SUSE Linux Enterprise Server 15 SP7
OS Version: 6.4.0-150700.51-default
Filesystem: xfs
JVM Vendor: Oracle Corporation
JVM Version: Java HotSpot(TM) 64-Bit Server VM (build 17.0.10+11-LTS-240, mixed mode, sharing), version 17.0.10
JVM Command-line Options: -server -Xmn1900m -Xms2048m -Xmx2048m -XX:ParallelGCThreads=2 -XX:+UseLargePages -XX:LargePageSizeInBytes=2m -XX:InlineSmallCode=1500 -XX:UseAVX=1 -XX:AutoBoxCacheMax=20000 -XX:+UseParallelGC -XX:+OptimizeFill -XX:+AggressiveHeap -XX:MaxInlineSize=270 -XX:FreqInlineSize=2500
JVM Affinity: for each even physicalCoreId { numactl -C physicalCoreId, physicalCoreId + 1, physicalCoreId + 24, physicalCoreId + 25}
JVM Instances: 6
JVM Initial Heap (MB): 2048
JVM Maximum Heap (MB): 2048
JVM Address Bits: 64
Boot Firmware Version: QIE105F
Management Firmware Version: None
Workload Version: SSJ 1.2.10
Director Location: Controller
Other Software: None
Boot Firmware Settings
Management Firmware Settings
None
System Under Test Notes
Notes
Performance Details
Target Load Actual Load Transaction Type Count Total Heap (MB)
Calibration 1 New Order 22,499,255 2,038
Payment 22,499,258
Order Status 2,249,924
Delivery 2,249,925
Stock Level 2,249,923
Customer Report 22,499,251
Calibration 2 New Order 32,179,362 2,039
Payment 32,179,363
Order Status 3,217,934
Delivery 3,217,937
Stock Level 3,217,938
Customer Report 32,179,368
Calibration 3 New Order 32,233,587 2,038
Payment 32,233,578
Order Status 3,223,359
Delivery 3,223,358
Stock Level 3,223,357
Customer Report 32,233,577
100% 99.8% New Order 32,127,555 2,038
Payment 32,127,563
Order Status 3,212,755
Delivery 3,212,757
Stock Level 3,212,755
Customer Report 32,127,561
90% 90.2% New Order 29,046,430 2,039
Payment 29,046,431
Order Status 2,904,642
Delivery 2,904,642
Stock Level 2,904,641
Customer Report 29,046,427
80% 80.1% New Order 25,795,988 2,039
Payment 25,795,986
Order Status 2,579,599
Delivery 2,579,598
Stock Level 2,579,599
Customer Report 25,795,991
70% 70.2% New Order 22,598,591 2,038
Payment 22,598,596
Order Status 2,259,860
Delivery 2,259,860
Stock Level 2,259,860
Customer Report 22,598,595
60% 60.1% New Order 19,353,325 2,039
Payment 19,353,334
Order Status 1,935,333
Delivery 1,935,333
Stock Level 1,935,332
Customer Report 19,353,331
50% 50.1% New Order 16,138,628 2,038
Payment 16,138,625
Order Status 1,613,863
Delivery 1,613,862
Stock Level 1,613,862
Customer Report 16,138,628
40% 40.2% New Order 12,938,446 2,038
Payment 12,938,449
Order Status 1,293,844
Delivery 1,293,846
Stock Level 1,293,843
Customer Report 12,938,452
30% 30.2% New Order 9,726,525 2,039
Payment 9,726,521
Order Status 972,651
Delivery 972,654
Stock Level 972,651
Customer Report 9,726,528
20% 20.0% New Order 6,456,969 2,038
Payment 6,456,972
Order Status 645,696
Delivery 645,696
Stock Level 645,696
Customer Report 6,456,971
10% 10.2% New Order 3,291,692 2,038
Payment 3,291,696
Order Status 329,170
Delivery 329,168
Stock Level 329,170
Customer Report 3,291,691
Active Idle New Order 0 2,038
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0