#!/usr/bin/env python
import unittest
import numpy as np
from tinygrad.ops import LazyOp, ReduceOps, BinaryOps, UnaryOps, MovementOps
from tinygrad.shape import ShapeTracker, View, ZeroView
from tinygrad.llops.ops_gpu import GPUBuffer, CLASTKernel

class TestAST(unittest.TestCase):
  def test_conv_zeroview_ast(self):
    buf0 = GPUBuffer(shape=ShapeTracker(shape=(1, 1, 3, 4), views=[View((1, 1, 3, 4), (2, 2, 2, 1), -3), ZeroView((1, 1, 1, 2), ((0, 1), (0, 1), (-1, 2), (-1, 3))), View((1, 1, 3, 4), (0, 0, 4, 1), 0)]))
    buf1 = GPUBuffer(shape=ShapeTracker(shape=(1, 1, 3, 4), views=[View((1, 1, 3, 4), (0, 0, 0, 0), 0)]))
    op1 = LazyOp(BinaryOps.MUL, (buf0,buf1,), None)
    ast = LazyOp(UnaryOps.RELU, (op1,), None)
    k = CLASTKernel(ast)
    k.codegen()(*k.bufs)

  def test_first_op_conv(self):
    buf0 = GPUBuffer(shape=ShapeTracker(shape=(1, 64, 128, 8, 4, 1, 1, 3, 3), views=[View((1, 66, 130, 32, 1), (262144, 4096, 32, 1, 1), -4128), ZeroView((1, 64, 128, 32, 1), ((0, 1), (-1, 65), (-1, 129), (0, 32), (0, 1))), View((1, 64, 128, 8, 4, 1, 1, 3, 3), (266240, 4160, 32, 4, 1, 12480, 12480, 4160, 32), 0)]), hostbuf=GPUBuffer(shape=(64, 1024, 4), force_create=True))
    buf1 = GPUBuffer(shape=ShapeTracker(shape=(1, 64, 128, 8, 4, 1, 1, 3, 3), views=[View((1, 64, 128, 8, 4, 1, 1, 3, 3), (0, 0, 0, 36, 1, 0, 0, 12, 4), 0)]), hostbuf=GPUBuffer(shape=(8, 9, 4), force_create=True))
    op0 = LazyOp(BinaryOps.MUL, (buf0,buf1,), None)
    op1 = LazyOp(ReduceOps.SUM, (op0,), (1, 64, 128, 8, 4, 1, 1, 1, 1))
    buf2 = GPUBuffer(shape=ShapeTracker(shape=(1, 64, 128, 8, 4, 1, 1, 1, 1), views=[View((1, 64, 128, 8, 4, 1, 1, 1, 1), (0, 0, 0, 4, 1, 1, 1, 1, 1), 0)]), hostbuf=GPUBuffer(shape=(32,), force_create=True))
    op2 = LazyOp(BinaryOps.ADD, (op1,buf2,), None)
    op3 = LazyOp(UnaryOps.RELU, (op2,), None)
    buf3 = GPUBuffer(shape=ShapeTracker(shape=(1, 64, 128, 8, 4, 1, 1, 1, 1), views=[View((1, 64, 128, 8, 4, 1, 1, 1, 1), (0, 0, 0, 0, 0, 1, 1, 1, 1), 0)]), hostbuf=GPUBuffer(shape=(1,), backing=np.array([1.], dtype=np.float32)))
    buf4 = GPUBuffer(shape=ShapeTracker(shape=(1, 64, 128, 8, 4, 1, 1, 1, 1), views=[View((1, 64, 128, 8, 4, 1, 1, 1, 1), (0, 0, 0, 0, 0, 1, 1, 1, 1), 0)]), hostbuf=GPUBuffer(shape=(1,), backing=np.array([1.], dtype=np.float32)))
    op4 = LazyOp(UnaryOps.EXP, (op2,), None)
    op5 = LazyOp(BinaryOps.SUB, (buf4,op4,), None)
    op6 = LazyOp(UnaryOps.RELU, (op5,), None)
    op7 = LazyOp(BinaryOps.MUL, (buf3,op6,), None)
    op8 = LazyOp(BinaryOps.SUB, (op3,op7,), None)
    ast = LazyOp(MovementOps.RESHAPE, (op8,), (64, 1024, 4))
    k = CLASTKernel(ast)
    #[x.cl for x in k.bufs]
    fxn = k.codegen()
    #print(k.fxn.prg)
    fxn(*k.bufs)

if __name__ == '__main__':
  unittest.main()