Instrumentation and Optimization of WIN32/Intel Executables

Etch is an application program performance evaluation and optimization system, developed for Intel x86 platforms running the Windows/NT operating system. The system allows you annotate existing binaries with arbitrary instructions (for example, to trace, or perform coverage analysis), or to rewrite an existing binary so that it executes more efficiently.

Etch works directly on x86 executables. It does not require program source code for either measurement or optimization.


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