Lenovo Global Technology ThinkSystem ST45 V3 ssj_ops@100% = 2,806,077
ssj_ops@100% per JVM = 467,679
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     2,765,139
Calibration 2     2,812,514
Calibration 3     2,817,463
ssj_ops@calibrated=2,814,989
100% 99.7% 2,814,989 2,806,077
90% 90.1% 2,533,490 2,536,376
80% 80.1% 2,251,991 2,254,713
70% 69.9% 1,970,492 1,968,306
60% 60.0% 1,688,993 1,687,761
50% 49.9% 1,407,494 1,403,841
40% 40.0% 1,125,995 1,127,153
30% 29.9% 844,497 842,512
20% 20.0% 562,998 563,312
10% 10.0% 281,499 281,097
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
JVM Instance Summary
JVM Instance ssj_ops@100%
WIN-F9VKUN2L28K.001 477,124
WIN-F9VKUN2L28K.002 469,240
WIN-F9VKUN2L28K.003 480,802
WIN-F9VKUN2L28K.004 463,132
WIN-F9VKUN2L28K.005 462,884
WIN-F9VKUN2L28K.006 452,895
ssj_ops@100% 2,806,077
ssj_ops@100% per JVM 467,679
Graph of per-instance results
JVM 'WIN-F9VKUN2L28K.001' Scores:
Target Load Actual Load ssj_ops
Target Actual
Calibration 1     474,996
Calibration 2     476,740
Calibration 3     477,983
ssj_ops@calibrated=477,362
100% 100.0% 477,362 477,124
90% 89.9% 429,626 429,080
80% 79.6% 381,889 380,117
70% 70.1% 334,153 334,783
60% 60.1% 286,417 286,838
50% 49.5% 238,681 236,390
40% 40.1% 190,945 191,206
30% 30.2% 143,209 144,131
20% 20.1% 95,472 95,750
10% 10.0% 47,736 47,541
Active Idle   0 0
Graph of results
See the JVM Instance Performance Report for additional details.
JVM 'WIN-F9VKUN2L28K.002' Scores:
Target Load Actual Load ssj_ops
Target Actual
Calibration 1     466,012
Calibration 2     472,404
Calibration 3     473,634
ssj_ops@calibrated=473,019
100% 99.2% 473,019 469,240
90% 90.0% 425,717 425,954
80% 80.6% 378,415 381,188
70% 69.9% 331,113 330,874
60% 60.3% 283,811 285,374
50% 49.8% 236,510 235,544
40% 40.2% 189,208 190,072
30% 30.0% 141,906 142,036
20% 19.9% 94,604 94,146
10% 9.9% 47,302 46,941
Active Idle   0 0
Graph of results
See the JVM Instance Performance Report for additional details.
JVM 'WIN-F9VKUN2L28K.003' Scores:
Target Load Actual Load ssj_ops
Target Actual
Calibration 1     467,278
Calibration 2     481,263
Calibration 3     481,834
ssj_ops@calibrated=481,548
100% 99.8% 481,548 480,802
90% 90.2% 433,393 434,219
80% 80.0% 385,239 385,238
70% 69.9% 337,084 336,756
60% 60.1% 288,929 289,460
50% 49.6% 240,774 238,790
40% 40.0% 192,619 192,573
30% 30.0% 144,464 144,420
20% 20.1% 96,310 96,714
10% 10.1% 48,155 48,524
Active Idle   0 0
Graph of results
See the JVM Instance Performance Report for additional details.
JVM 'WIN-F9VKUN2L28K.004' Scores:
Target Load Actual Load ssj_ops
Target Actual
Calibration 1     459,601
Calibration 2     465,029
Calibration 3     464,942
ssj_ops@calibrated=464,986
100% 99.6% 464,986 463,132
90% 90.6% 418,487 421,189
80% 80.4% 371,988 373,890
70% 69.9% 325,490 325,257
60% 59.8% 278,991 278,114
50% 49.8% 232,493 231,509
40% 40.0% 185,994 185,908
30% 29.7% 139,496 138,033
20% 20.0% 92,997 92,915
10% 10.0% 46,499 46,295
Active Idle   0 0
Graph of results
See the JVM Instance Performance Report for additional details.
JVM 'WIN-F9VKUN2L28K.005' Scores:
Target Load Actual Load ssj_ops
Target Actual
Calibration 1     449,766
Calibration 2     462,982
Calibration 3     464,118
ssj_ops@calibrated=463,550
100% 99.9% 463,550 462,884
90% 89.8% 417,195 416,190
80% 80.2% 370,840 371,782
70% 70.0% 324,485 324,449
60% 59.8% 278,130 277,356
50% 50.3% 231,775 233,310
40% 40.1% 185,420 185,742
30% 29.9% 139,065 138,468
20% 19.8% 92,710 92,014
10% 10.0% 46,355 46,250
Active Idle   0 0
Graph of results
See the JVM Instance Performance Report for additional details.
JVM 'WIN-F9VKUN2L28K.006' Scores:
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
See the JVM Instance Performance Report for additional details.