Pragma Acc_Kernels (GNAT Reference Manual)

pragma Acc_Kernels [( ACC_KERNELS_CLAUSE [, ACC_KERNELS_CLAUSE...])];

ACC_KERNELS_CLAUSE ::=
    Acc_If        => boolean_EXPRESSION
  | Async         => integer_EXPRESSION
  | Copy          => IDENTIFIERS
  | Copy_In       => IDENTIFIERS
  | Copy_Out      => IDENTIFIERS
  | Create        => IDENTIFIERS
  | Default       => None
  | Device_Ptr    => IDENTIFIERS
  | Num_Gangs     => integer_EXPRESSION
  | Num_Workers   => integer_EXPRESSION
  | Present       => IDENTIFIERS
  | Vector_Length => integer_EXPRESSION
  | Wait          => INTEGERS

IDENTIFIERS ::=
  | IDENTIFIER
  | (IDENTIFIER, IDENTIFIERS)

INTEGERS ::=
  | integer_EXPRESSION
  | (integer_EXPRESSION, INTEGERS)

Equivalent to the kernels directive of the OpenAcc standard. This pragma should be placed in loops.

For more information about the effect of the clauses, see the OpenAcc specification.

2.5 Pragma Acc_Kernels