Recent questions tagged memory

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memory management - what is lazy allocation?

What does lazy allocation of objects mean and how is it useful? 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 leaks - OutOfMemoryException loading big image to Bitmap object with the Compact Framework

I have a problem with a memory leak. I have this code in a button_click : Private Sub Button3_Click(ByVal ... -images-in-the-compact-framework/ 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 - Vulkan's VkAllocationCallbacks implemented with malloc/free()

I'm reading Vulkan Memory Allocation - Memory Host and seems that VkAllocationCallbacks can be ... implementing vkAllocationCallbacks ? 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 - java.lang.OutOfMemoryError: bitmap size exceeds VM budget - android - how many images?

I am developing an android app and as I read all around and learned for myself, I cant have a lot of ... on the last level ? Thanks Daniel 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 - Python large variable RAM usage

Say there is a dict variable that grows very large during runtime - up into millions of key:value pairs. Does ... key is accessed at a time? 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 leaks - JavaScript: What is the Expando Property?

I came across this property while reading about JavaScript memory leaks. I was informed that this property is ... linked to memory leaks? 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 leaks - JavaScript: What is the Expando Property?

I came across this property while reading about JavaScript memory leaks. I was informed that this property is ... linked to memory leaks? 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 - when to release objects in mono touch / mvvmcross

We are implementing an app which seems to have major memory leaks. For an example we have a view with its ... should we do our cleanup? regards 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 - How to detect and estimate heap fragmentation in my C++ program?

I'm developing a VC++ NT service that is meant to operate continuously for many months. It uses VC++ ... it is prone to heap fragmentation? 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 - Opaque types allocatable on stack in C

When designing a C interface, it is common to let into the public interface (.h) only what needs to be known ... if there really is no choice. 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 - scala mailbox size limit

Can I set maximum size for an actor's mailbox in Scala? Take the Producer-Consumer problem. With ... uncontrollable growth of mailboxes? 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 - What is the difference between creating a buffer object with clCreateBuffer + CL_MEM_COPY_HOST_PTR vs. clCreateBuffer + clEnqueueWriteBuffer?

I have seen both versions in tutorials, but I could not find out, what their advantages and disadvantages are. ... example to make it correct. See Question&Answers more detail:os...

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

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614 views

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memory management - img_data_lock iphone - imageNamed vs imageWithContentsofFile

I am noticing a surge in memory and the responsible caller as listed in instruments is img_data_lock and responsible ... a toll on memory ? 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 - What is the storage cost for a boxed primitive in Java?

How large, in bytes, is a boxed primitive like java.lang.Integer or java.lang.Character in Java? An ... typical 32-bit HotSpot Implementation? See Question&Answers more detail:os...

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

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403 views

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memory - Large ListView containing images in Android

For various Android applications, I need large ListViews, i.e. such views with 100-300 entries. All entries must be ... . What should I do now? See Question&Answers more detail:os...

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

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527 views

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memory management - Android: Bitmaps, SoftReferences, and OOMs?

I have a series of views in a vertical LinearLayout. Each view generates and draws a Bitmap, when scrolled to ... throwing OOM. Any advice? See Question&Answers more detail:os...

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

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594 views

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memory management - C - Check currently available free RAM?

I know how to use malloc() and free() to allocate memory, but is there also a standard C function to check ... t there be a more efficient way? See Question&Answers more detail:os...

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

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686 views

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memory management - Android - Grow Heap (Frag Case) - Byte Allocation.. Not Loading any bitmaps

This happens when the app loads from Splash screen to Main page. It happens only on the device not on ... someone throw some expertise.... See Question&Answers more detail:os...

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

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598 views

1 answer

memory management - Android - Grow Heap (Frag Case) - Byte Allocation.. Not Loading any bitmaps

This happens when the app loads from Splash screen to Main page. It happens only on the device not on ... someone throw some expertise.... See Question&Answers more detail:os...

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

0 votes

493 views

1 answer

memory management - C - Check currently available free RAM?

I know how to use malloc() and free() to allocate memory, but is there also a standard C function to check ... t there be a more efficient way? See Question&Answers more detail:os...

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

0 votes

551 views

1 answer

memory management - Android - Grow Heap (Frag Case) - Byte Allocation.. Not Loading any bitmaps

This happens when the app loads from Splash screen to Main page. It happens only on the device not on ... someone throw some expertise.... See Question&Answers more detail:os...

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

0 votes

415 views

1 answer

memory - Large ListView containing images in Android

For various Android applications, I need large ListViews, i.e. such views with 100-300 entries. All entries must be ... . What should I do now? See Question&Answers more detail:os...

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

0 votes

526 views

1 answer

memory management - Android: Bitmaps, SoftReferences, and OOMs?

I have a series of views in a vertical LinearLayout. Each view generates and draws a Bitmap, when scrolled to ... throwing OOM. Any advice? See Question&Answers more detail:os...

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

0 votes

531 views

1 answer

memory management - C - Check currently available free RAM?

I know how to use malloc() and free() to allocate memory, but is there also a standard C function to check ... t there be a more efficient way? See Question&Answers more detail:os...

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

0 votes

560 views

1 answer

memory management - Android - Grow Heap (Frag Case) - Byte Allocation.. Not Loading any bitmaps

This happens when the app loads from Splash screen to Main page. It happens only on the device not on ... someone throw some expertise.... See Question&Answers more detail:os...

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

0 votes

581 views

1 answer

memory - How can I set VM options in a Java Netbeans Platform Modular Project?

I have a Netbeans Platform modular project, not a regular Java project. I want to set VM options to ... Netbeans to create modular applications. See Question&Answers more detail:os...

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

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554 views

1 answer

memory - C++ destructor issue with std::vector of class objects

I am confused about how to use destructors when I have a std::vector of my class. So if I create a simple ... how can I safely free my memory? See Question&Answers more detail:os...

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

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