Likwid高性能程序開發(fā)輔助工具

Likwid 全程是 Like I knew what I am doing. 該項目通過簡單的一些命令行工具來支持開發(fā)人員開發(fā)高性能和多線程的程序。

Likwid 包含下面工具：

• likwid-topology: Show the thread and cache topology
• likwid-perfCtr: Measure hardware performance counters on Intel and AMD processors
• likwid-features: Show and Toggle hardware prefetch control bits on Intel Core 2 processors
• likwid-pin: Pin your threaded application without touching your code (supports pthreads, Intel OpenMP and gcc OpenMP)
• likwid-bench: Benchmarking framework allowing rapid prototyping of threaded assembly kernels