Lenovo Global Technology ThinkSystem ST45 V3 ssj_ops@100% = 2,700,053
ssj_ops@100% per JVM = 450,009
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     2,491,782
Calibration 2     2,706,112
Calibration 3     2,723,474
ssj_ops@calibrated=2,714,793
100% 99.5% 2,714,793 2,700,053
90% 89.9% 2,443,314 2,440,517
80% 79.9% 2,171,834 2,169,856
70% 70.0% 1,900,355 1,900,987
60% 60.0% 1,628,876 1,629,927
50% 50.1% 1,357,397 1,358,767
40% 40.0% 1,085,917 1,085,282
30% 30.0% 814,438 814,844
20% 20.0% 542,959 542,270
10% 10.1% 271,479 273,520
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
JVM Instance Summary
JVM Instance ssj_ops@100%
localhost.001 464,680
localhost.002 441,742
localhost.003 444,447
localhost.004 465,124
localhost.005 438,369
localhost.006 445,691
ssj_ops@100% 2,700,053
ssj_ops@100% per JVM 450,009
Graph of per-instance results
JVM 'localhost.001' Scores:
Target Load Actual Load ssj_ops
Target Actual
Calibration 1     473,912
Calibration 2     464,925
Calibration 3     466,101
ssj_ops@calibrated=465,513
100% 99.8% 465,513 464,680
90% 90.2% 418,962 419,752
80% 79.8% 372,410 371,641
70% 69.9% 325,859 325,370
60% 59.8% 279,308 278,222
50% 49.8% 232,756 231,938
40% 39.9% 186,205 185,693
30% 30.0% 139,654 139,871
20% 19.9% 93,103 92,477
10% 10.1% 46,551 46,868
Active Idle   0 0
Graph of results
JVM 'localhost.002' Scores:
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
JVM 'localhost.003' Scores:
Target Load Actual Load ssj_ops
Target Actual
Calibration 1     460,046
Calibration 2     447,291
Calibration 3     449,759
ssj_ops@calibrated=448,525
100% 99.1% 448,525 444,447
90% 90.1% 403,672 403,921
80% 80.6% 358,820 361,394
70% 69.9% 313,967 313,400
60% 60.2% 269,115 269,992
50% 49.6% 224,262 222,541
40% 39.9% 179,410 178,996
30% 30.2% 134,557 135,495
20% 20.0% 89,705 89,926
10% 10.1% 44,852 45,083
Active Idle   0 0
Graph of results
JVM 'localhost.004' Scores:
Target Load Actual Load ssj_ops
Target Actual
Calibration 1     477,720
Calibration 2     464,878
Calibration 3     465,763
ssj_ops@calibrated=465,320
100% 100.0% 465,320 465,124
90% 89.8% 418,788 417,951
80% 79.5% 372,256 369,870
70% 70.1% 325,724 326,051
60% 60.0% 279,192 279,050
50% 50.3% 232,660 234,034
40% 39.9% 186,128 185,684
30% 29.9% 139,596 138,909
20% 19.9% 93,064 92,771
10% 10.0% 46,532 46,675
Active Idle   0 0
Graph of results
JVM 'localhost.005' Scores:
Target Load Actual Load ssj_ops
Target Actual
Calibration 1     309,952
Calibration 2     438,966
Calibration 3     449,368
ssj_ops@calibrated=444,167
100% 98.7% 444,167 438,369
90% 89.9% 399,750 399,443
80% 79.9% 355,334 355,107
70% 69.9% 310,917 310,629
60% 60.2% 266,500 267,267
50% 50.2% 222,084 223,141
40% 40.1% 177,667 178,244
30% 29.9% 133,250 132,740
20% 20.0% 88,833 89,002
10% 10.0% 44,417 44,396
Active Idle   0 0
Graph of results
JVM 'localhost.006' Scores:
Target Load Actual Load ssj_ops
Target Actual
Calibration 1     460,789
Calibration 2     447,587
Calibration 3     449,272
ssj_ops@calibrated=448,429
100% 99.4% 448,429 445,691
90% 89.2% 403,587 400,061
80% 79.6% 358,744 357,150
70% 70.2% 313,901 314,806
60% 60.1% 269,058 269,288
50% 50.2% 224,215 225,207
40% 39.9% 179,372 178,762
30% 29.9% 134,529 134,090
20% 19.9% 89,686 89,312
10% 10.1% 44,843 45,237
Active Idle   0 0
Graph of results