x86-64

相关标签：javascript jquery android 多少钱 iPhone

How can the first of these two code snippets run 3x faster than the second when its doing more work?

How can this code: var check = 0; for (var numerator = 0; numerator <= maxNumerator; numerator++) { check += numerator >= 0[详细]

2023-03-02 19:52 分类：问答
Loading Corflags:16 dll into x86 application crashes on 64bit system

I am using an external dll in my project. When i try to run the application on a 64bit machine, it crashes with a FileLoadException. Since it works fine on a 32bit system, i suspect the dll to be 32bi[详细]

2023-03-01 18:38 分类：问答
x86-64 ELF initial stack layout when calling glibc

Basically, I read through parts of http://www.nasm.us/links/unix64abi and at page 29, it shows the initial process stack of a C program.[详细]

2023-03-01 13:48 分类：问答
Is there an 8-bit atomic CAS (cmpxchg) intrinsic for X64 in Visual C++?

The following code is possible in 32-bit Visual Studio C++.Is there a 64-bit equivalent using intrinsics since inline ASM isn\'t supported in the 64-bit version of Visual Studio C++?[详细]

2023-03-01 09:20 分类：问答
Building gcc for x86_64: error

I am trying to build gcc 4.3.2 from sources in my x86_64 system which has a 32 bit gcc installed ( older version) which don\'t support -m64 switch. When I try to configure, it succeeds without any err[详细]

2023-02-28 07:55 分类：问答
AMD compatible assemblers for Linux

I have an AMD CPU开发者_如何学C and I\'ve been looking for an AMD compatible assembler. Is there any advice for me?[详细]

2023-02-25 23:21 分类：问答
What's wrong with this statement on x86-64?

This function aims to开发者_JAVA百科 get the start address of the stack: unsigned long find_start(void){[详细]

2023-02-25 21:45 分类：问答
Ghostscript initialization fails with simple Ghost4J sample code

I am using Ubuntu 10.10 amd64, Sun JDK 6.0.24 and the default ghostscript package. Now, I am trying to get the \"Render a PDF document using SimpleRenderer\" sample from the Ghost4J page working.[详细]

2023-02-25 07:48 分类：问答
Division and modulus using single divl instruction (i386, amd64)

I was trying to come up with inline assembly for gcc to get both division and modulus using single divl instruction. Unfortunately, I am not that good at assembly. Could someone please help me on this[详细]

2023-02-23 14:30 分类：问答
How to cause a TLB thrashing with a user process?

My current work needs to generate a specified number of TLB misses on CPU of Intel Core series, while it\'s not going on well. I\'ve tried many methods but all of them have a very high rate of TLB hit[详细]

2023-02-22 11:01 分类：问答