Questions tagged [main-memory]
5 questions
2
votes
1 answer
Does a mutex lock guarantee that a thread will always store updated values into the main memory?
a. Does accessing a memory location with a mutex lock mean that whatever the critical code is doing to the mutexed-variables will end up into the main memory, and not only updated inside the thread's cache or registers without a fresh copy of values…
Physician
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If the amount of stack memory provided to a program is fixed then why does it grow downwards in the process architecture? Or am I getting it wrong?
So I read that when a program is loaded on the main memory , it asscociates along with it static data , stack memory and heap memory. Wherein the stack generally grows downwards while the heap grows upwards. What I am confused about is since the…
Prakhar Shankar
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2 answers
Allocation of local variables inside a loop in the main memory
Suppose I have a for loop and a local variable inside it:
for(int i=0;i<10;i++){ // Outer loop
int p[10]; // Local variable
for(int j=1;j<10;j++){ // Inner loop
p[j] = p[j-1]+1;
}
}
When all the compiler optimisations are…
Deepak Tatyaji Ahire
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How to allocate memory from a particular DRAM in the system?
I want to read and write data from a particular DRAM in my system. I know that I can list available DRAMs using decode-dimms command. But I didn't find a detailed explanation that how actually this can be done, And little confused how VA -> PA - >…
Alex Swift
- 3
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2 answers
Is it feasible to have virtual memory with unlimited RAM?
Let's suppose that I have a computer with unlimited RAM(Theoretical idea) to accommodate all the processes that are ready to be executed. Then do I still need the virtual memory ?. And if yes what can be the possible change in performance if my…
Tauro
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