sec 3: describe data parallelism
disable chapter 2 (background)
sec 3: gpgpu computing and cuda
sec 3: more on cuda and data parallelism
sec 3: embedded languages
sec 3: intro to accelerate
sec 3: minor edits
sec 3: computing dotp
sec 3: arrays, shapes, & indices
sec 3: arrays on the host & device
sec 3: array computations vs. scalar expressions
sec 4: shapes and indices, move some to sec 3
sec 3: cause weird latex spacing thing
sec 3: calculating n-body
sec 3: n-body wibbles
sec 3: non-parametric array representation
sec 3: wibbles on previous
sec 3: richly typed terms
sec 3: Accelerate intro
wibbles