Lenovo T400 report

There were reports that 14 might have performance regression (see "Possible regression in main causing poor performance"), Unixbench looks normal:

Code: 
OS:  FreeBSD 14.0-ALPHA3 amd64 1400097 #0 stable/14-8b8111675
CC:  FreeBSD clang version 16.0.6
CPU: Intel(R) Core(TM)2 Duo CPU P9700  @ 2.80GHz
RAM: 8GB DDR3 1066 Kingston HyperX
HDD: Samsung SSD 860 PRO 1TB

unixbench-5.1.3.51_1

2 CPUs in system; running 1 parallel copy of tests

Dhrystone 2 using register variables       25241695.3 lps   (10.0 s, 7 samples)
Double-Precision Whetstone                     4588.4 MWIPS (9.5 s, 7 samples)
Execl Throughput                               1878.0 lps   (30.0 s, 2 samples)
File Copy 1024 bufsize 2000 maxblocks        528430.0 KBps  (30.0 s, 2 samples)
File Copy 256 bufsize 500 maxblocks          143394.0 KBps  (30.0 s, 2 samples)
File Copy 4096 bufsize 8000 maxblocks        948753.9 KBps  (30.0 s, 2 samples)
Pipe Throughput                              766693.0 lps   (10.0 s, 7 samples)
Pipe-based Context Switching                 151423.4 lps   (10.0 s, 7 samples)
Process Creation                               8379.4 lps   (30.0 s, 2 samples)
Shell Scripts (1 concurrent)                   5817.0 lpm   (60.0 s, 2 samples)
Shell Scripts (8 concurrent)                   1119.6 lpm   (60.0 s, 2 samples)
System Call Overhead                         500056.3 lps   (10.0 s, 7 samples)

System Benchmarks Index Values               BASELINE       RESULT    INDEX
Dhrystone 2 using register variables         116700.0   25241695.3   2163.0
Double-Precision Whetstone                       55.0       4588.4    834.2
Execl Throughput                                 43.0       1878.0    436.7
File Copy 1024 bufsize 2000 maxblocks          3960.0     528430.0   1334.4
File Copy 256 bufsize 500 maxblocks            1655.0     143394.0    866.4
File Copy 4096 bufsize 8000 maxblocks          5800.0     948753.9   1635.8
Pipe Throughput                               12440.0     766693.0    616.3
Pipe-based Context Switching                   4000.0     151423.4    378.6
Process Creation                                126.0       8379.4    665.0
Shell Scripts (1 concurrent)                     42.4       5817.0   1371.9
Shell Scripts (8 concurrent)                      6.0       1119.6   1866.0
System Call Overhead                          15000.0     500056.3    333.4
                                                                   ========
System Benchmarks Index Score                                         873.5

2 CPUs in system; running 2 parallel copies of tests

Dhrystone 2 using register variables       49521763.5 lps   (10.0 s, 7 samples)
Double-Precision Whetstone                     8867.9 MWIPS (9.6 s, 7 samples)
Execl Throughput                               3487.1 lps   (29.9 s, 2 samples)
File Copy 1024 bufsize 2000 maxblocks        983385.4 KBps  (30.0 s, 2 samples)
File Copy 256 bufsize 500 maxblocks          267446.9 KBps  (30.0 s, 2 samples)
File Copy 4096 bufsize 8000 maxblocks       1782530.1 KBps  (30.0 s, 2 samples)
Pipe Throughput                             1475080.2 lps   (10.0 s, 7 samples)
Pipe-based Context Switching                 431444.9 lps   (10.0 s, 7 samples)
Process Creation                              15742.1 lps   (30.0 s, 2 samples)
Shell Scripts (1 concurrent)                   8845.7 lpm   (60.0 s, 2 samples)
Shell Scripts (8 concurrent)                   1125.8 lpm   (60.0 s, 2 samples)
System Call Overhead                         959379.9 lps   (10.0 s, 7 samples)

System Benchmarks Index Values               BASELINE       RESULT    INDEX
Dhrystone 2 using register variables         116700.0   49521763.5   4243.5
Double-Precision Whetstone                       55.0       8867.9   1612.4
Execl Throughput                                 43.0       3487.1    811.0
File Copy 1024 bufsize 2000 maxblocks          3960.0     983385.4   2483.3
File Copy 256 bufsize 500 maxblocks            1655.0     267446.9   1616.0
File Copy 4096 bufsize 8000 maxblocks          5800.0    1782530.1   3073.3
Pipe Throughput                               12440.0    1475080.2   1185.8
Pipe-based Context Switching                   4000.0     431444.9   1078.6
Process Creation                                126.0      15742.1   1249.4
Shell Scripts (1 concurrent)                     42.4       8845.7   2086.2
Shell Scripts (8 concurrent)                      6.0       1125.8   1876.4
System Call Overhead                          15000.0     959379.9    639.6
                                                                   ========
System Benchmarks Index Score                                        1596.3
 
15-STABLE minimally slower

Code: 
2 CPUs in system; running 1 parallel copy of tests

Dhrystone 2 using register variables       24307571.2 lps   (10.0 s, 7 samples)
Double-Precision Whetstone                     4444.6 MWIPS (9.6 s, 7 samples)
Execl Throughput                               1470.2 lps   (30.0 s, 2 samples)
File Copy 1024 bufsize 2000 maxblocks        502800.9 KBps  (30.0 s, 2 samples)
File Copy 256 bufsize 500 maxblocks          140457.8 KBps  (30.0 s, 2 samples)
File Copy 4096 bufsize 8000 maxblocks        949970.3 KBps  (30.0 s, 2 samples)
Pipe Throughput                              711643.2 lps   (10.0 s, 7 samples)
Pipe-based Context Switching                 205433.4 lps   (10.0 s, 7 samples)
Process Creation                               7455.9 lps   (30.0 s, 2 samples)
Shell Scripts (1 concurrent)                   5183.3 lpm   (60.0 s, 2 samples)
Shell Scripts (8 concurrent)                    998.8 lpm   (60.0 s, 2 samples)
System Call Overhead                         476271.6 lps   (10.0 s, 7 samples)

System Benchmarks Index Values               BASELINE       RESULT    INDEX
Dhrystone 2 using register variables         116700.0   24307571.2   2082.9
Double-Precision Whetstone                       55.0       4444.6    808.1
Execl Throughput                                 43.0       1470.2    341.9
File Copy 1024 bufsize 2000 maxblocks          3960.0     502800.9   1269.7
File Copy 256 bufsize 500 maxblocks            1655.0     140457.8    848.7
File Copy 4096 bufsize 8000 maxblocks          5800.0     949970.3   1637.9
Pipe Throughput                               12440.0     711643.2    572.1
Pipe-based Context Switching                   4000.0     205433.4    513.6
Process Creation                                126.0       7455.9    591.7
Shell Scripts (1 concurrent)                     42.4       5183.3   1222.5
Shell Scripts (8 concurrent)                      6.0        998.8   1664.7
System Call Overhead                          15000.0     476271.6    317.5
                                                                   ========
System Benchmarks Index Score                                         834.5

------------------------------------------------------------------------
Benchmark Run: niedz. kwi 26 2026 13:39:13 - 14:07:20
2 CPUs in system; running 2 parallel copies of tests

Dhrystone 2 using register variables       48193606.9 lps   (10.0 s, 7 samples)
Double-Precision Whetstone                     8620.5 MWIPS (9.6 s, 7 samples)
Execl Throughput                               2763.3 lps   (30.0 s, 2 samples)
File Copy 1024 bufsize 2000 maxblocks        948424.5 KBps  (30.0 s, 2 samples)
File Copy 256 bufsize 500 maxblocks          258203.1 KBps  (30.0 s, 2 samples)
File Copy 4096 bufsize 8000 maxblocks       1799250.0 KBps  (30.0 s, 2 samples)
Pipe Throughput                             1397429.7 lps   (10.0 s, 7 samples)
Pipe-based Context Switching                 422545.7 lps   (10.0 s, 7 samples)
Process Creation                              14050.3 lps   (30.1 s, 2 samples)
Shell Scripts (1 concurrent)                   7822.5 lpm   (60.0 s, 2 samples)
Shell Scripts (8 concurrent)                   1003.2 lpm   (60.0 s, 2 samples)
System Call Overhead                         940565.0 lps   (10.0 s, 7 samples)

System Benchmarks Index Values               BASELINE       RESULT    INDEX
Dhrystone 2 using register variables         116700.0   48193606.9   4129.7
Double-Precision Whetstone                       55.0       8620.5   1567.4
Execl Throughput                                 43.0       2763.3    642.6
File Copy 1024 bufsize 2000 maxblocks          3960.0     948424.5   2395.0
File Copy 256 bufsize 500 maxblocks            1655.0     258203.1   1560.1
File Copy 4096 bufsize 8000 maxblocks          5800.0    1799250.0   3102.2
Pipe Throughput                               12440.0    1397429.7   1123.3
Pipe-based Context Switching                   4000.0     422545.7   1056.4
Process Creation                                126.0      14050.3   1115.1
Shell Scripts (1 concurrent)                     42.4       7822.5   1844.9
Shell Scripts (8 concurrent)                      6.0       1003.2   1672.1
System Call Overhead                          15000.0     940565.0    627.0
                                                                   ========
System Benchmarks Index Score                                        1493.8
 
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