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本补丁优化效果：
unixbench
基线：
Benchmark Run: Tue May 07 2024 14:43:17 - 14:52:19
0 CPUs in system; running 1 parallel copy of tests
Dhrystone 2 using register variables 41898849.1 lps (10.0 s, 2 samples)
Double-Precision Whetstone 4426.3 MWIPS (10.0 s, 2 samples)
Execl Throughput 2828.8 lps (29.8 s, 1 samples)
File Copy 1024 bufsize 2000 maxblocks 837180.0 KBps (30.0 s, 1 samples)
File Copy 256 bufsize 500 maxblocks 256669.0 KBps (30.0 s, 1 samples)
File Copy 4096 bufsize 8000 maxblocks 2264169.0 KBps (30.0 s, 1 samples)
Pipe Throughput 1101364.7 lps (10.0 s, 2 samples)
Pipe-based Context Switching 136573.4 lps (10.0 s, 2 samples)
Process Creation 6031.7 lps (30.1 s, 1 samples)
Shell Scripts (1 concurrent) 5875.9 lpm (60.1 s, 1 samples)
Shell Scripts (8 concurrent) 2567.1 lpm (60.0 s, 1 samples)
System Call Overhead 1065481.3 lps (10.0 s, 2 samples)
System Benchmarks Index Values BASELINE RESULT INDEX
Dhrystone 2 using register variables 116700.0 41898849.1 3590.3
Double-Precision Whetstone 55.0 4426.3 804.8
Execl Throughput 43.0 2828.8 657.9
File Copy 1024 bufsize 2000 maxblocks 3960.0 837180.0 2114.1
File Copy 256 bufsize 500 maxblocks 1655.0 256669.0 1550.9
File Copy 4096 bufsize 8000 maxblocks 5800.0 2264169.0 3903.7
Pipe Throughput 12440.0 1101364.7 885.3
Pipe-based Context Switching 4000.0 136573.4 341.4
Process Creation 126.0 6031.7 478.7
Shell Scripts (1 concurrent) 42.4 5875.9 1385.8
Shell Scripts (8 concurrent) 6.0 2567.1 4278.5
System Call Overhead 15000.0 1065481.3 710.3
========
System Benchmarks Index Score 1252.0
本补丁优化效果
Benchmark Run: Tue May 07 2024 09:43:04 - 09:52:05
0 CPUs in system; running 1 parallel copy of tests
Dhrystone 2 using register variables 41832459.9 lps (10.0 s, 2 samples)
Double-Precision Whetstone 4426.6 MWIPS (10.0 s, 2 samples)
Execl Throughput 2675.8 lps (29.1 s, 1 samples)
File Copy 1024 bufsize 2000 maxblocks 919862.0 KBps (30.0 s, 1 samples)
File Copy 256 bufsize 500 maxblocks 274966.0 KBps (30.0 s, 1 samples)
File Copy 4096 bufsize 8000 maxblocks 2350539.0 KBps (30.0 s, 1 samples)
Pipe Throughput 1182284.3 lps (10.0 s, 2 samples)
Pipe-based Context Switching 155034.4 lps (10.0 s, 2 samples)
Process Creation 6371.9 lps (30.0 s, 1 samples)
Shell Scripts (1 concurrent) 5797.9 lpm (60.1 s, 1 samples)
Shell Scripts (8 concurrent) 2576.7 lpm (60.0 s, 1 samples)
System Call Overhead 1128173.1 lps (10.0 s, 2 samples)
System Benchmarks Index Values BASELINE RESULT INDEX
Dhrystone 2 using register variables 116700.0 41832459.9 3584.6
Double-Precision Whetstone 55.0 4426.6 804.8
Execl Throughput 43.0 2675.8 622.3
File Copy 1024 bufsize 2000 maxblocks 3960.0 919862.0 2322.9
File Copy 256 bufsize 500 maxblocks 1655.0 274966.0 1661.4
File Copy 4096 bufsize 8000 maxblocks 5800.0 2350539.0 4052.7
Pipe Throughput 12440.0 1182284.3 950.4
Pipe-based Context Switching 4000.0 155034.4 387.6
Process Creation 126.0 6371.9 505.7
Shell Scripts (1 concurrent) 42.4 5797.9 1367.4
Shell Scripts (8 concurrent) 6.0 2576.7 4294.4
System Call Overhead 15000.0 1128173.1 752.1
========
System Benchmarks Index Score 1299.1
lmbench
Processor, Processes - times in microseconds - smaller is better
------------------------------------------------------------------------------
Host OS Mhz null null open slct sig sig fork exec sh
call I/O stat clos TCP inst hndl proc proc proc
--------- ------------- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ----
localhost Linux 6.6.0+ 2600 0.14 0.21 1.09 1.92 2.65 0.22 1.05 435. 1994 2989
localhost Linux 6.6.0+ 2600 0.14 0.22 1.14 1.95 2.65 0.22 1.06 427. 1991 2985
localhost Linux 6.6.0+ 2600 0.15 0.23 1.07 1.95 2.73 0.25 1.15 457. 2008 3062
第2行是优化效果，第3行是基线数据。
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