¡@
c++ Programming Glossary: pipelinesWhy is processing a sorted array faster than an unsorted array? http://stackoverflow.com/questions/11227809/why-is-processing-a-sorted-array-faster-than-an-unsorted-array path. Modern processors are complicated and have long pipelines. So they take forever to warm up and slow down . Is there a..
Parallel for vs omp simd: when to use each? http://stackoverflow.com/questions/14674049/parallel-for-vs-omp-simd-when-to-use-each and you'll want to use omp simd to make use of vector pipelines say within each core. Normally omp parallel would go on the..
What is “cache-friendly” code? http://stackoverflow.com/questions/16699247/what-is-cache-friendly-code currently focus heavily on optimizing caches prefetching pipelines and concurrency. For instance modern CPUs spend around 85 of.. Avoid unpredictable branches Modern architectures feature pipelines and compilers are becoming very good at reordering code to minimize..
Using Assembly Language in C/C++ http://stackoverflow.com/questions/4202687/using-assembly-language-in-c-c become increasingly complicated as have their execution pipelines caches and other factors involved in their performance. You..
Is inline assembly language slower than native C++ code? http://stackoverflow.com/questions/9601427/is-inline-assembly-language-slower-than-native-c-code hard to tune by hand and modern CISC CPUs have very long pipelines too. For some complex microcontrollers even system libraries..
What could cause a deterministic process to generate floating point errors http://stackoverflow.com/questions/968435/what-could-cause-a-deterministic-process-to-generate-floating-point-errors darned clever. They can re order instructions to keep pipelines full in multi CPU set ups so unless the code specifically prohibits..
|