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std::cout is decreasing CPU Usage?


std::cout is decreasing CPU Usage?

By : Sten
Date : October 23 2020, 06:10 AM
it should still fix some issue Depending on the implementation, writing to std::cout basically involves handing control over to the operating system for a short while, which then sends the data to the terminal. This isn't the fastest process on windows, and during that time the program is basically idle. The more data std::cout has to process, the longer the delay takes, so the more time is spent idle by the program.
A program has low CPU usage if it spends a lot of time waiting around for input (either from another program, from the keyboard or mouse, from a "redraw the screen" signal if it has a GUI, from the operating system, or from the file system). Basically, the CPU usage represents the portion of the time that the program isn't waiting around.
code :


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Is the usage of SAS in business increasing or decreasing?

Is the usage of SAS in business increasing or decreasing?


By : Wizard Of IF
Date : March 29 2020, 07:55 AM
To fix this issue SAS has had fairly consistent growth since inception. Usage in specific functional areas may wax and wane but overall they seem to me to still be growing (don't know how this translates to market share, but any growth in these economic times is probably good).
Memory usage isn't decreasing when using free?

Memory usage isn't decreasing when using free?


By : daniele
Date : March 29 2020, 07:55 AM
will help you Typical C implementations do not return free:d memory to the operating system. It is available for use by the same program, but not to others.
Decreasing memory usage, C, CodeChef

Decreasing memory usage, C, CodeChef


By : user2710428
Date : March 29 2020, 07:55 AM
hop of those help? I'm doing this problem: http://www.codechef.com/problems/FCTRL I have the solution, but, the memory usage is coming out to be 1.6 MB, which, apparently, is too much. I don't understand how I can decrease this seeing that I have almost no persistent data. Here's my code: , This is what i submitted and it was accepted
code :
#include<stdio.h>
int main()
{
long n,q=0,t,c=1,result,z,m=5;
scanf("%ld",&t);
while(c<=t) 
{ 
scanf("%ld",&n);
z=0;
while(n!=0)
{
q=n / m;
z=z+q;
n=q;
} 
printf("%ld\n",z);
c++;
}
return 0;
}
Decreasing memory usage for array and SplFixedArray

Decreasing memory usage for array and SplFixedArray


By : nzamu
Date : March 29 2020, 07:55 AM
this one helps. We need to go into the engine if we want to understand this. Better: inside of Zend/zend_alloc.c (The Zend Memory Manager).
The memory allocated by the memory manager is split into chunks of 256 KB.
how to cout the longest permanent sequence (increasing or decreasing) in c++?

how to cout the longest permanent sequence (increasing or decreasing) in c++?


By : r3CC3r
Date : March 29 2020, 07:55 AM
it should still fix some issue In the code you have posted your outer loop creates an out-of-bounds access of the block array, since you're accessing block[i+1] in the loop. That's likely the reason that your code is producing correct answers in one direction and not in the other.
Beyond that there are some other problems you might come across with this approach:
code :
int counting = std::min(n, 1);
int counting_max = counting;

for (int i = 0; i < n - 1; ++i) {
    if (
        block[i] < block[i + 1] &&
        (counting < 2 || block[i] > block[i - 1])
    ) {
        counting++;
    } else if (
        block[i] > block[i + 1] &&
        (counting < 2 || block[i] < block[i - 1])
    ) {
        counting++;
    } else if (block[i] == block[i + 1]) {
        counting = 1;
    } else {
        counting = 2;
    }

    if (counting > counting_max) {
        counting_max = counting;
    }
}

cout << counting_max << "\n";
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