memory-mapping

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Reading integers from a memory mapped formatted file

I have memory mapped a large formatted (text) file containing one integer per line like so: 123 345 34324[详细]

2023-01-25 04:23 分类：问答
Possible to convert an address assignment to function argument via C macro?

I am working on embedd开发者_开发知识库ed code and attempting to convert a lot of memory-mapped register assignments to get()/set() function calls. I was wondering if it would be possible to maintain[详细]

2023-01-22 12:15 分类：问答
Why does MAP_GROWSDOWN cause SIGBUS errors after upgrading to Centos 5.5?

I was upgrading the OS on one of our build from Centos 5.3 32bit to Centos 5.5 32bit.After doing the package update I rebooted, checked out a clean copy of the source, built and ran the unit tests.All[详细]

2023-01-22 09:38 分类：问答
Why 16-bit address with 12-bit offset results in 4KB page size?

I\'m reading the \"Modern Operating System\" book. And I\'m confused about the \"Page Size\". In the book, the author says,[详细]

2023-01-16 07:23 分类：问答
Java GZip an object and serialize it using MappedByteBuffer

I\'m serializing a large 3d array to disk.The original data is around 50MB and GZiped output is in Kb\'s size.But the operation takes around 5 sec\'s.I would like to optimize it for time.I wa开发者_如[详细]

2023-01-15 12:37 分类：问答
Controlling read and write access width to memory mapped registers in C

I\'m using and x86 based core to manipulate a 32-bit memory mapped register.My hardware beha开发者_如何学Pythonves correctly only if the CPU generates 32-bit wide reads and writes to this register.The[详细]

2023-01-03 15:43 分类：问答
Memory mapped files causes low physical memory

I have a 2GB RAM and running a memory intensive application and going to low available physical memory state and system is not responding to user actions, like opening any application or menu invocati[详细]

2022-12-30 09:34 分类：问答
人授多少钱啊？人工授精多少钱？？

丿贵族灬邂逅丶 2022-06-03 22:10 开发者_Go百科人工授精（AI）是指采用非性交的方式将精子递送到女性生殖道中以达到使女子受孕目的的一种辅助生殖技术（ART）。是指采用非性交的方式将精子递送到女性生殖道中[详细]

2022-12-18 07:44 分类：问答