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House of vanity
2018-10-25 14:41:29 +03:00
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@ -5,3 +5,53 @@ Both scripts do the same - just sum every digit in every number.
ex. 0 - 12 = 0 + 1 + 2 + 3 + 4 + 5 + 6 + 7 + 8 + 9 + *1 + 0 + 1 + 1 + 1 + 2* = 51
Both versions use fork and tested on linux.
GO version
```Processing sequence from 0 to 1000000000
Shard size: 250000000
remainder: 0
0 250000000
250000001 500000001
500000002 750000002
750000003 1000000000
Result: 40500000001
real 0m4.112s
user 0m15.037s
sys 0m0.014s
```
C version
```
This system has 4 processors configured. Going to spawn 8 forks.
Child 28454 was started. My job is 0 125000000
Child 28455 was started. My job is 125000000 250000000
Child 28456 was started. My job is 250000000 375000000
Child 28458 was started. My job is 500000000 625000000
Child 28457 was started. My job is 375000000 500000000
Child 28461 was started. My job is 875000000 1000000000
Child 28460 was started. My job is 750000000 875000000
Child 28459 was started. My job is 625000000 750000000
28453 - Sumumatoru kun handled 8 forks and got result 40500000001
```
Python version
```
Found 4 CPUs. Going to spawn 8 forks.
proc # | from | till | summ | elapsed time per child
----------------------------------------------------------
0 | 0 | 124999 | 2732500 | 0.14
1 | 125000 | 249999 | 2967500 | 0.16
2 | 250000 | 374999 | 3157500 | 0.16
3 | 375000 | 499999 | 3392500 | 0.16
4 | 500000 | 624999 | 3357500 | 0.16
5 | 625000 | 749999 | 3592500 | 0.16
7 | 875000 | 1000000 | 4017501 | 0.16
6 | 750000 | 874999 | 3782500 | 0.16
Final result is 27000001
real 0m0.471s
user 0m1.337s
sys 0m0.040s
```