# Explicit Vector Programming

This section contains information about explicit vector programming.
Parent topic: Vectorization

- User-Mandated or SIMD Vectorization
- SIMD-Enabled Functions
- SIMD-Enabled Function Pointers
- Vectorizing a Loop Using the _Simd Keyword
- Function Annotations and the SIMD Directive for Vectorization
- Explicit SIMD SYCL* Extension
  oneAPI provides an Explicit SIMD SYCL extension (ESIMD) for lower-level Intel GPU programming.