arrayjit 0.3.3 (latest) · OCaml Package

type symbol =

| Symbol of Base.int

val compare_symbol : symbol -> symbol -> Base.int

val equal_symbol : symbol -> symbol -> Base.bool

val symbol_of_sexp : Sexplib0.Sexp.t -> symbol

val sexp_of_symbol : symbol -> Sexplib0.Sexp.t

val hash_fold_symbol : Base.Hash.state -> symbol -> Base.Hash.state

val hash_symbol : symbol -> Base.Hash.hash_value

val symbol : Base.int -> symbol

val is_symbol : symbol -> bool

val symbol_val : symbol -> Base.int Option.t

module Variants_of_symbol : sig ... end

val unique_id : int Base.ref

val get_symbol : unit -> symbol

module CompareSymbol : sig ... end

module Symbol : sig ... end

val symbol_ident : symbol -> Base.String.t

type 'a environment = 'a Base.Map.M(Symbol).t

val environment_of_sexp : 
  'a. (Sexplib0.Sexp.t -> 'a) ->
  Sexplib0.Sexp.t ->
  'a environment

val sexp_of_environment : 
  'a. ('a -> Sexplib0.Sexp.t) ->
  'a environment ->
  Sexplib0.Sexp.t

val empty_env : 'a environment

type static_symbol = {

static_symbol : symbol;
mutable static_range : Base.int Base.option;

}

val compare_static_symbol : static_symbol -> static_symbol -> Base.int

val equal_static_symbol : static_symbol -> static_symbol -> Base.bool

val static_symbol_of_sexp : Sexplib0.Sexp.t -> static_symbol

val sexp_of_static_symbol : static_symbol -> Sexplib0.Sexp.t

val hash_fold_static_symbol : 
  Base.Hash.state ->
  static_symbol ->
  Base.Hash.state

val hash_static_symbol : static_symbol -> Base.Hash.hash_value

type 'a bindings =

| Empty
| Bind of static_symbol * (Base.int -> 'a) bindings

val sexp_of_bindings : 
  'a. ('a -> Sexplib0.Sexp.t) ->
  'a bindings ->
  Sexplib0.Sexp.t

val bound_symbols : 'a bindings -> static_symbol Base.List.t

type ('r, 'idcs, 'p1, 'p2) variadic =

| Result of 'r
| Param_idx of Base.int Base.ref * (Base.int -> 'r, Base.int -> 'idcs, 'p1, 'p2) variadic
| Param_1 of 'p1 Base.option Base.ref * ('p1 -> 'r, 'idcs, 'p1, 'p2) variadic
| Param_2 of 'p2 Base.option Base.ref * ('p2 -> 'r, 'idcs, 'p1, 'p2) variadic

Helps jitting the bindings.

type unit_bindings = (Base.unit -> Base.unit) bindings

val sexp_of_unit_bindings : unit_bindings -> Sexplib0.Sexp.t

type jitted_bindings = (static_symbol, Base.int Base.ref) Base.List.Assoc.t

val sexp_of_jitted_bindings : jitted_bindings -> Sexplib0.Sexp.t

val apply : 'r 'idcs 'p1 'p2. ('r, 'idcs, 'p1, 'p2) variadic -> 'r

val jitted_bindings : 
  'a bindings ->
  ('b, 'a, 'p1, 'p2) variadic ->
  (static_symbol * Base.int Base.ref) Base.List.t

val find_exn : jitted_bindings -> static_symbol -> Base.int Base.ref

val get_static_symbol : 
  ?static_range:Base.int ->
  (Base.int -> 'a) bindings ->
  static_symbol * 'a bindings

val dims_to_string : 
  ?with_axis_numbers:bool ->
  Base.Int.t Base.Array.t ->
  Base.String.t

Dimensions to string, "x"-separated, e.g. 1x2x3 for batch dims 1, input dims 3, output dims 2. Outputs "-" for empty dimensions.

type axis_index =

| Fixed_idx of Base.int
(*
The specific position along an axis.
*)
| Iterator of symbol
(*
The given member of the product_space corresponding to some product_iterators.
*)

val compare_axis_index : axis_index -> axis_index -> Base.int

val equal_axis_index : axis_index -> axis_index -> Base.bool

val axis_index_of_sexp : Sexplib0.Sexp.t -> axis_index

val sexp_of_axis_index : axis_index -> Sexplib0.Sexp.t

val fixed_idx : Base.int -> axis_index

val iterator : symbol -> axis_index

val is_fixed_idx : axis_index -> bool

val is_iterator : axis_index -> bool

val fixed_idx_val : axis_index -> Base.int Option.t

val iterator_val : axis_index -> symbol Option.t

module Variants_of_axis_index : sig ... end

type str_osym_map =
  (Base.string, symbol Base.option, Base.String.comparator_witness) Base.Map.t

val sexp_of_str_osym_map : str_osym_map -> Base.Sexp.t

type projections_debug = {

spec : Base.string;
derived_for : Base.Sexp.t;
trace : (Base.string * Base.int) Base.list;

}

val projections_debug_of_sexp : Sexplib0.Sexp.t -> projections_debug

val sexp_of_projections_debug : projections_debug -> Sexplib0.Sexp.t

val unique_debug_id : unit -> int

type projections = {

product_space : Base.int Base.array;
(*
The product space dimensions that an operation should parallelize (map-reduce) over.
*)
lhs_dims : Base.int Base.array;
(*
The dimensions of the LHS array.
*)
rhs_dims : Base.int Base.array Base.array;
(*
The dimensions of the RHS arrays, needed for deriving projections from other projections.
*)
product_iterators : symbol Base.array;
(*
The product space iterators (concatentation of the relevant batch, output, input axes) for iterating over the product_space axes, where same axes are at same array indices.
*)
project_lhs : axis_index Base.array;
(*
A projection that takes an product_space-bound index and produces an index into the result of an operation.
*)
project_rhs : axis_index Base.array Base.array;
(*
project_rhs.(i) Produces an index into the i+1th argument of an operation.
*)
debug_info : projections_debug;

}

All the information relevant for code generation.

val compare_projections : projections -> projections -> Base.int

val equal_projections : projections -> projections -> Base.bool

val projections_of_sexp : Sexplib0.Sexp.t -> projections

val sexp_of_projections : projections -> Sexplib0.Sexp.t

val iterated : int -> bool

val opt_symbol : int -> symbol option

val opt_iterator : symbol option -> axis_index

val is_bijective : projections -> bool

val identity_projections : 
  debug_info:projections_debug ->
  lhs_dims:Base.int Base.Array.t ->
  projections

Projections for a pointwise unary operator.

val derive_index : 
  product_syms:Symbol.t Base.Array.t ->
  projection:axis_index Base.array ->
  product:axis_index Base.Array.t ->
  axis_index Base.Array.t

package arrayjit