#pragma acc loop 
#pragma acc loop private (a, b, c)
#pragma acc loop auto
#pragma acc loop auto
#pragma acc loop collapse (1)
#pragma acc loop collapse (1) collapse (2)
#pragma acc loop collapse (1) collapse (2)
#pragma acc loop device_type (a, b, c)
#pragma acc loop gang
#pragma acc loop gang (a, b, c)
#pragma acc loop gang (a, b, c, d)
#pragma acc loop gang (a, b, c) gang
#pragma acc loop gang gang (a, b, c, d)
#pragma acc loop independent
#pragma acc loop independent
#pragma acc loop seq
#pragma acc loop vector (length: a)
#pragma acc loop vector (length: a) vector (length: b)
#pragma acc loop vector (length: a)
#pragma acc loop vector (c) vector (length: c)
#pragma acc loop vector (c) vector (b)
#pragma acc loop vector (c)
#pragma acc loop worker (num: a)
#pragma acc loop worker (num: a) worker (num: b)
#pragma acc loop worker (num: a)
#pragma acc loop worker (c) worker (num: c)
#pragma acc loop worker (c) worker (b)
#pragma acc loop worker (c)
#pragma acc loop tile (1)
#pragma acc loop tile (1, 2)
#pragma acc loop tile (1, 2)
#pragma acc loop tile (1, 2) worker (num: a) worker (num: 5) independent collapse (1)
#pragma acc loop reduction (+: x, y, z, a, b, c)
#pragma acc loop reduction (+: x, y, z) reduction (*: a, b, c)
#pragma acc loop reduction (max: x, y, z) reduction (min: a, b, c)
#pragma acc loop reduction (min: x, y, z, a, b, c)
#pragma acc loop reduction (min: x, y, z) reduction (&&: a, b, c)
#pragma acc loop reduction (||: x, y, z) reduction (&&: a, b, c)
#pragma acc loop reduction (&&: x, y, z, a, b, c)
#pragma acc loop reduction (max: x, y, max, min)
#pragma acc loop device_type (x, y, z)
#pragma acc loop reduction (+: x, y, z)
#pragma acc loop reduction (*: x, y, z)
#pragma acc loop reduction (max: x, y, z)
#pragma acc loop reduction (max: x, y, max)
#pragma acc loop reduction (max: max, y, z)
#pragma acc loop reduction (max: max::x, y, max)
#pragma acc loop reduction (max: max::x, max, max::y)
#pragma acc loop reduction (min: x, y, z)
#pragma acc loop reduction (min: x, y, min)
#pragma acc loop reduction (min: min, y, z)
#pragma acc loop reduction (min: min::x, y, min)
#pragma acc loop reduction (min: min::x, min, min::y)
#pragma acc loop reduction ($: x[5], y, z)
#pragma acc loop reduction (|: x, y, z)
#pragma acc loop reduction (^: x, y, z)
#pragma acc loop reduction (&&: x, y, z)
