Lenovo Global Technology ThinkSystem ST45 V3 ssj_ops@100% = 452,895
Test Sponsor: Lenovo Global Technology SPEC License #: 9017 Test Method: Single Node
Tested By: Lenovo Global Technology Test Location: Beijing, China Test Date: Nov 19, 2025
Hardware Availability: Nov-2025 Software Availability: Jan-2024 Publication: Dec 18, 2025
System Source: Single Supplier System Designation: Server Power Provisioning: Line-powered
Benchmark Results Summary
Target Load Actual Load ssj_ops
Target Actual
Calibration 1     447,484
Calibration 2     454,096
Calibration 3     454,952
ssj_ops@calibrated=454,524
100% 99.6% 454,524 452,895
90% 90.1% 409,072 409,744
80% 79.8% 363,619 362,497
70% 69.6% 318,167 316,187
60% 59.5% 272,714 270,619
50% 50.2% 227,262 228,297
40% 40.0% 181,810 181,651
30% 29.8% 136,357 135,424
20% 20.2% 90,905 91,773
10% 10.0% 45,452 45,547
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): Microsoft Windows Server 2022 Datacenter
OS Version: Version 21H2(OS Build 20348.2227)
Filesystem: NTFS
JVM Vendor: Oracle Corporation
JVM Version: Oracle 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: start /NODE[0] /AFFINITY [0xF, 0xF0, 0xF00, 0xF000, 0xF000, 0xF0000]
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 32,612,046 2,038
Payment 32,612,052
Order Status 3,261,206
Delivery 3,261,207
Stock Level 3,261,205
Customer Report 32,612,051
Calibration 2 New Order 33,029,645 2,038
Payment 33,029,637
Order Status 3,302,963
Delivery 3,302,962
Stock Level 3,302,965
Customer Report 33,029,641
Calibration 3 New Order 33,100,899 2,038
Payment 33,100,901
Order Status 3,310,090
Delivery 3,310,089
Stock Level 3,310,088
Customer Report 33,100,903
100% 99.6% New Order 32,946,825 2,038
Payment 32,946,820
Order Status 3,294,682
Delivery 3,294,682
Stock Level 3,294,682
Customer Report 32,946,819
90% 90.1% New Order 29,800,856 2,038
Payment 29,800,857
Order Status 2,980,082
Delivery 2,980,085
Stock Level 2,980,085
Customer Report 29,800,853
80% 79.8% New Order 26,364,033 2,038
Payment 26,364,028
Order Status 2,636,403
Delivery 2,636,403
Stock Level 2,636,401
Customer Report 26,364,029
70% 69.6% New Order 22,996,336 2,038
Payment 22,996,334
Order Status 2,299,635
Delivery 2,299,632
Stock Level 2,299,635
Customer Report 22,996,327
60% 59.5% New Order 19,682,304 2,038
Payment 19,682,301
Order Status 1,968,230
Delivery 1,968,231
Stock Level 1,968,232
Customer Report 19,682,307
50% 50.2% New Order 16,605,069 2,038
Payment 16,605,075
Order Status 1,660,508
Delivery 1,660,506
Stock Level 1,660,508
Customer Report 16,605,070
40% 40.0% New Order 13,211,765 2,038
Payment 13,211,767
Order Status 1,321,175
Delivery 1,321,176
Stock Level 1,321,177
Customer Report 13,211,776
30% 29.8% New Order 9,849,611 2,038
Payment 9,849,618
Order Status 984,961
Delivery 984,962
Stock Level 984,961
Customer Report 9,849,612
20% 20.2% New Order 6,676,419 2,038
Payment 6,676,424
Order Status 667,643
Delivery 667,641
Stock Level 667,640
Customer Report 6,676,425
10% 10.0% New Order 3,312,653 2,038
Payment 3,312,659
Order Status 331,269
Delivery 331,266
Stock Level 331,264
Customer Report 3,312,660
Active Idle New Order 0 2,038
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0