I\'m g-zipping and backing-up my database dump (using mysqldump ) to amazon S3 . all works fine, but i also ne开发者_开发知识库ed to encrypt this big-compressed file for securing the very- sensitive d
Background I am in the process of creating an application (referred to as MyApp) which must read data out from a SQL Server database handled by Navision. Navision users should to be able to use my app
in gcc, i want to do a 128 bits xor with 2 C variables, via asm code: how? asm ( \"movdqa %1, %%xmm1;\"
Theres are couple of places in my code base where the same operation is repeated a very large number of times for a large data set. In some cases it\'s taking a considerable time to process these.
I\'d like to start and play with some AVX (advanced vector extension) instructions. I know Intel provides an emulator to test software containing these instructions (see this question), but since I do
What\'s the best way ( sse2 ) to reduce a _m128 ( 4 words a b c d) to one word? I want the low part of each _m128 components:
Heya, I\'m trying to use Mono\'s SIMD to handle coordinates(X,Y,Z) in my project, but I only see support for Vector2 and Vector4 types. Has anyone run into this before, and are there any workarounds?
Given a register of 4 bytes (or 16 for SIMD), there has to be an efficient way to sort the byt开发者_如何转开发es in-register with a few instructions.
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