Recent questions tagged Memory

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memory - Please explain this result please. printf("%c", 'abcd')

#include <stdio.h> int main() { printf("%c ", 'abcd'); printf("%p ", 'abcd'); printf("%c ", ... other memories have all alphabets. Thank you. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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memory allocation for a class in java?

class B inherits class A. Now when we create an object of type B, what is the memory allocated for B ... other procedure for memory allocation? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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memory - CL_OUT_OF_RESOURCES for 2 millions floats with 1GB VRAM?

It seems like 2 million floats should be no big deal, only 8MBs of 1GB of GPU RAM. I am ... allocated when OpenCL declared CL_OUT_OF_RESOURCES. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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memory management - Returning objects from methods in Objective-C

Please clarify, how to deal with returned objects from methods? Below, I get employee details from GeEmployeetData ... [emp autorelease]; } See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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memory efficient - What is the fastest way to find integer square root using bit shifts?

I was looking for the fastest method to calculate the square root(integer) of a number(integer). I came across ... explain this part to me? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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memory management - Why should I dimension my variables in VBA really?

They used to say it was about memory management. However, having a look at things I find that failure to ... of time by modern standards? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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memory - Getting address of data variable in x86 AT&T Assembly

Possible duplicate exist, but I couldnt figure out how to apply this or othere solutions to similar problems so here I ... is not what I want. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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memory management - Application not running in iOS 5

my application was running successfully in iOS 3.2 but when I installed iOS 5 on my iPad it crashes. I ... libbz2.1.0.dylib armv7 <28583efb9f1b38e7ae83c667b07dbd08> /usr/lib/l...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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memory management - iOS: Best practices for a "one-way" navigation controller?

I'm developing an app which is essentially a sequence of many different tests (for simplicity, think ... still leverage Storyboards somehow? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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memory management - How can I demonstrate a zombie object in Swift?

I've read How to demonstrate memory leak and zombie objects in Xcode Instruments? but that's for objective-c ... to creating a dangling pointer? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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559 views

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memory management - How to allocate an array inside fortran routine "called" from C

I think title says what I need. I know we can use "asd" function to do this, but for some reasons I ... fault. Any help would be appreciated. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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889 views

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memory management - Linux kernel: Role of zero page allocation at paging_init time

I am trying to understand the kernel memory reservation at bootup for arch/arm. There's a call paging_init() for ... is a part of this. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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716 views

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memory - Help: ZX81 BASIC "Peek" function

I need a way to find if the character ('<') has hit a wall (Black pixel Graphic) -On a ZX81 game. I'm ... a better way. Please answer :) Thanks, See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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833 views

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memory - PHP memory_get_usage

I came across the PHP's memory_get_usage() and memory_get_peak_usage(). The problem is that I found that these ... that the first value. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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643 views

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memory management - IOS, ARC, Property: (readwrite, nonatomic) vs (radwrite, retain, nonatomic)

I am have read up some tutorials on ARC and am still left a bit confused on properties declarations. ... would be greatly appreciated. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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675 views

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memory - Does Rails load all installed gems?

When Rails loads, does it load all the gems that are installed on the system? I've got 47 gems installed on ... load frozen gems and no others? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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646 views

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memory - Python MemoryError or ValueError in np.loadtxt and iter_loadtxt

My starting point was a problem with NumPy's function loadtxt: X = np.loadtxt(filename, delimiter=",") that ... for this? Thanks in advance. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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755 views

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memory management - Determining the location for the usage of barriers (fences)

The x86 instructions lfence/sfence/mfence are used to implement the rmb()/wmb()/mb() mechanisms in the Linux ... -places where these are needed? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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876 views

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memory management - Static Thrust Custom Allocator?

Just a couple facts for setup: Thrust doesn't operate in-place for all of it's operations. You can ... place example of custom thrust allocator See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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804 views

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memory - Is java heap space dictated by RAM or hard drive?

I'm performing a huge calculation and I'm getting a "out of heap space" error. What I'm wondering is if Java ... how do I turn this option on? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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574 views

1 answer

memory management - We need to preallocate. But MATLAB does not preallocate the preallocation?

While testing if any() short-circuits (it does!) I found out the following interesting behavior when preallocating ... Win 10 x64, MATLAB 2017a See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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820 views

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memory - Printing the physical address of a C pointer

I can print the address of a pointer by using the following code #include<stdio. int main(){ int *q =(int* ... how should i print the other? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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684 views

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memory leaks - Android : How to analyse the native heap dump?

I have created a native heap dump file by using the command dumpheap -n <PID> <file>. The file is ... What are these figures indicating? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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734 views

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memory - How to test how many bytes an object reference use in Java?

I would like to test how many bytes an object reference use in the Java VM that I'm using. Do you guys know how to test this? Thanks! See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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583 views

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memory management - How are allocator in C++ implemented?

I was trying to understand a bit better std::allocator in C++, I came across this question, and it seems ... not how is it actually implemented? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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875 views

1 answer

memory leaks - Jquery auto refresh div

Jquery auto refresh is using up a LOT of browser memory. Is there a way to stop this. I had a 2 ... / refresh every 10000 milliseconds</script> See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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794 views

1 answer

memory management - Is there something like malloc/free in java?

I've never seen such statements though,does it exist in java world at all? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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862 views

1 answer

memory - What does Bitmap#recycle() in Android Honeycomb actually DO?

I am writing a very memory intensive application for Android Honeycomb, and I've been very careful to recycle() ... builds of Android, though. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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