import torch
from torch._inductor.select_algorithm import extern_kernels
import triton
import triton.language as tl
from torch._inductor.runtime.triton_heuristics import grid
from torch._C import _cuda_getCurrentRawStream as get_raw_stream
from torch._inductor.runtime import triton_helpers
from torch._inductor.runtime.triton_helpers import libdevice, math as tl_math
import torch.nn as nn
import torch.cuda
assert_size_stride = torch._C._dynamo.guards.assert_size_stride
empty_strided_cuda = torch._C._dynamo.guards._empty_strided_cuda
reinterpret_tensor = torch._C._dynamo.guards._reinterpret_tensor


@triton.jit
def triton_poi_fused__softmax_0(in_ptr0, out_ptr0, xnumel, XBLOCK: tl.constexpr
    ):
    xnumel = 64
    xoffset = tl.program_id(0) * XBLOCK
    xindex = xoffset + tl.arange(0, XBLOCK)[:]
    xmask = xindex < xnumel
    x2 = xindex
    x1 = xindex // 4
    tmp0 = tl.load(in_ptr0 + x2, xmask)
    tmp1 = tl.load(in_ptr0 + 4 * x1, xmask, eviction_policy='evict_last')
    tmp2 = tl.load(in_ptr0 + (1 + 4 * x1), xmask, eviction_policy='evict_last')
    tmp4 = tl.load(in_ptr0 + (2 + 4 * x1), xmask, eviction_policy='evict_last')
    tmp6 = tl.load(in_ptr0 + (3 + 4 * x1), xmask, eviction_policy='evict_last')
    tmp3 = triton_helpers.maximum(tmp1, tmp2)
    tmp5 = triton_helpers.maximum(tmp3, tmp4)
    tmp7 = triton_helpers.maximum(tmp5, tmp6)
    tmp8 = tmp0 - tmp7
    tmp9 = tl_math.exp(tmp8)
    tl.store(out_ptr0 + x2, tmp9, xmask)


@triton.jit
def triton_poi_fused__softmax_1(in_ptr0, out_ptr0, xnumel, XBLOCK: tl.constexpr
    ):
    xnumel = 64
    xoffset = tl.program_id(0) * XBLOCK
    xindex = xoffset + tl.arange(0, XBLOCK)[:]
    xmask = xindex < xnumel
    x2 = xindex
    x1 = xindex // 4
    tmp0 = tl.load(in_ptr0 + x2, xmask)
    tmp1 = tl.load(in_ptr0 + 4 * x1, xmask, eviction_policy='evict_last')
    tmp2 = tl.load(in_ptr0 + (1 + 4 * x1), xmask, eviction_policy='evict_last')
    tmp4 = tl.load(in_ptr0 + (2 + 4 * x1), xmask, eviction_policy='evict_last')
    tmp6 = tl.load(in_ptr0 + (3 + 4 * x1), xmask, eviction_policy='evict_last')
    tmp3 = tmp1 + tmp2
    tmp5 = tmp3 + tmp4
    tmp7 = tmp5 + tmp6
    tmp8 = tmp0 / tmp7
    tl.store(out_ptr0 + x2, tmp8, xmask)


@triton.jit
def triton_poi_fused_cat_2(in_ptr0, in_ptr1, out_ptr0, xnumel, XBLOCK: tl.
    constexpr):
    xnumel = 128
    xoffset = tl.program_id(0) * XBLOCK
    xindex = xoffset + tl.arange(0, XBLOCK)[:]
    xmask = xindex < xnumel
    x0 = xindex % 8
    x1 = xindex // 8
    x2 = xindex
    tmp0 = x0
    tl.full([1], 0, tl.int64)
    tmp3 = tl.full([1], 4, tl.int64)
    tmp4 = tmp0 < tmp3
    tmp5 = tl.load(in_ptr0 + (4 * x1 + x0), tmp4 & xmask, eviction_policy=
        'evict_last', other=0.0)
    tmp6 = tmp0 >= tmp3
    tl.full([1], 8, tl.int64)
    tmp9 = tl.load(in_ptr1 + (4 * x1 + (-4 + x0)), tmp6 & xmask,
        eviction_policy='evict_last', other=0.0)
    tmp10 = tl.where(tmp4, tmp5, tmp9)
    tl.store(out_ptr0 + x2, tmp10, xmask)


@triton.jit
def triton_poi_fused_clone_3(in_ptr0, out_ptr0, xnumel, XBLOCK: tl.constexpr):
    xnumel = 64
    xoffset = tl.program_id(0) * XBLOCK
    xindex = xoffset + tl.arange(0, XBLOCK)[:]
    xmask = xindex < xnumel
    x0 = xindex % 4
    x1 = xindex // 4 % 4
    x2 = xindex // 16
    x3 = xindex
    tmp0 = tl.load(in_ptr0 + (x0 + 4 * x2 + 16 * x1), xmask)
    tmp1 = libdevice.tanh(tmp0)
    tl.store(out_ptr0 + x3, tmp1, xmask)


@triton.jit
def triton_poi_fused_clone_4(in_ptr0, out_ptr0, xnumel, XBLOCK: tl.constexpr):
    xnumel = 64
    xoffset = tl.program_id(0) * XBLOCK
    xindex = xoffset + tl.arange(0, XBLOCK)[:]
    xmask = xindex < xnumel
    x0 = xindex % 4
    x1 = xindex // 4 % 4
    x2 = xindex // 16
    x3 = xindex
    tmp0 = tl.load(in_ptr0 + (x0 + 4 * x2 + 16 * x1), xmask)
    tl.store(out_ptr0 + x3, tmp0, xmask)


def call(args):
    primals_1, primals_2, primals_3 = args
    args.clear()
    assert_size_stride(primals_1, (4, 4, 4), (16, 4, 1))
    assert_size_stride(primals_2, (4, 4, 4), (16, 4, 1))
    assert_size_stride(primals_3, (4, 8), (8, 1))
    with torch.cuda._DeviceGuard(0):
        torch.cuda.set_device(0)
        buf0 = empty_strided_cuda((4, 4, 4), (16, 4, 1), torch.float32)
        extern_kernels.bmm(primals_1, reinterpret_tensor(primals_2, (4, 4, 
            4), (16, 1, 4), 0), out=buf0)
        buf1 = empty_strided_cuda((16, 4), (4, 1), torch.float32)
        get_raw_stream(0)
        triton_poi_fused__softmax_0[grid(64)](buf0, buf1, 64, XBLOCK=64,
            num_warps=1, num_stages=1)
        buf2 = reinterpret_tensor(buf0, (16, 4), (4, 1), 0)
        del buf0
        triton_poi_fused__softmax_1[grid(64)](buf1, buf2, 64, XBLOCK=64,
            num_warps=1, num_stages=1)
        buf3 = reinterpret_tensor(buf1, (4, 4, 4), (16, 4, 1), 0)
        del buf1
        extern_kernels.bmm(reinterpret_tensor(buf2, (4, 4, 4), (16, 4, 1), 
            0), primals_2, out=buf3)
        del primals_2
        buf4 = empty_strided_cuda((4, 4, 8), (32, 8, 1), torch.float32)
        triton_poi_fused_cat_2[grid(128)](buf3, primals_1, buf4, 128,
            XBLOCK=128, num_warps=4, num_stages=1)
        del primals_1
        buf5 = reinterpret_tensor(buf3, (16, 4), (4, 1), 0)
        del buf3
        extern_kernels.mm(reinterpret_tensor(buf4, (16, 8), (8, 1), 0),
            reinterpret_tensor(primals_3, (8, 4), (1, 8), 0), out=buf5)
        del primals_3
        buf6 = empty_strided_cuda((4, 4, 4), (16, 4, 1), torch.float32)
        triton_poi_fused_clone_3[grid(64)](buf5, buf6, 64, XBLOCK=64,
            num_warps=1, num_stages=1)
        buf7 = empty_strided_cuda((4, 4, 4), (16, 4, 1), torch.float32)
        triton_poi_fused_clone_4[grid(64)](buf2, buf7, 64, XBLOCK=64,
            num_warps=1, num_stages=1)
        del buf2
    return buf6, buf7, reinterpret_tensor(buf4, (16, 8), (8, 1), 0), buf5


def aeq(base, *rest):
    """ Assert the first arg equals to each of the rest."""
    for a in rest[:]:
        assert a == base, 'base(' + str(base
            ) + ") doesn't equals to each of " + str(rest)


class Bottle(nn.Module):

    def forward(self, input):
        if len(input.size()) <= 2:
            return super(Bottle, self).forward(input)
        size = input.size()[:2]
        out = super(Bottle, self).forward(input.view(size[0] * size[1], -1))
        return out.contiguous().view(size[0], size[1], -1)


class BottleLinear(Bottle, nn.Linear):
    pass


class GlobalAttentionNew(nn.Module):
    """
    Luong Attention.

    Global attention takes a matrix and a query vector. It
    then computes a parameterized convex combination of the matrix
    based on the input query.


        H_1 H_2 H_3 ... H_n
          q   q   q       q
            |  |   |       |
              \\ |   |      /
                      .....
                  \\   |  /
                      a

    Constructs a unit mapping.
    $$(H_1 + H_n, q) => (a)$$
    Where H is of `batch x n x dim` and q is of `batch x dim`.

    Luong Attention (dot, general):
    The full function is
    $$	anh(W_2 [(softmax((W_1 q + b_1) H) H), q] + b_2)$$.

    * dot: $$score(h_t,{\\overline{h}}_s) = h_t^T{\\overline{h}}_s$$
    * general: $$score(h_t,{\\overline{h}}_s) = h_t^T W_a {\\overline{h}}_s$$

    Bahdanau Attention (mlp):
    $$c = \\sum_{j=1}^{SeqLength}_jh_j$$.
    The Alignment-function $$a$$ computes an alignment as:
    $$a_j = softmax(v_a^T 	anh(W_a q + U_a h_j) )$$.

    """

    def __init__(self, dim, coverage=False, attn_type='dot'):
        super(GlobalAttentionNew, self).__init__()
        self.dim = dim
        self.attn_type = attn_type
        assert self.attn_type in ['dot', 'general', 'mlp'
            ], 'Please select a valid attention type.'
        if self.attn_type == 'general':
            self.linear_in = nn.Linear(dim, dim, bias=False)
        elif self.attn_type == 'mlp':
            self.linear_context = BottleLinear(dim, dim, bias=False)
            self.linear_query = nn.Linear(dim, dim, bias=True)
            self.v = BottleLinear(dim, 1, bias=False)
        out_bias = self.attn_type == 'mlp'
        self.linear_out = nn.Linear(dim * 2, dim, bias=out_bias)
        self.sm = nn.Softmax()
        self.tanh = nn.Tanh()
        self.mask = None
        if coverage:
            self.linear_cover = nn.Linear(1, dim, bias=False)

    def applyMask(self, mask):
        self.mask = mask

    def score(self, h_t, h_s):
        """
        h_t (FloatTensor): batch x tgt_len x dim
        h_s (FloatTensor): batch x src_len x dim
        returns scores (FloatTensor): batch x tgt_len x src_len:
            raw attention scores for each src index
        """
        src_batch, src_len, src_dim = h_s.size()
        tgt_batch, tgt_len, tgt_dim = h_t.size()
        aeq(src_batch, tgt_batch)
        aeq(src_dim, tgt_dim)
        aeq(self.dim, src_dim)
        if self.attn_type in ['general', 'dot']:
            if self.attn_type == 'general':
                h_t_ = h_t.view(tgt_batch * tgt_len, tgt_dim)
                h_t_ = self.linear_in(h_t_)
                h_t = h_t_.view(tgt_batch, tgt_len, tgt_dim)
            h_s_ = h_s.transpose(1, 2)
            return torch.bmm(h_t, h_s_)
        else:
            dim = self.dim
            wq = self.linear_query(h_t.view(-1, dim))
            wq = wq.view(tgt_batch, tgt_len, 1, dim)
            wq = wq.expand(tgt_batch, tgt_len, src_len, dim)
            uh = self.linear_context(h_s.contiguous().view(-1, dim))
            uh = uh.view(src_batch, 1, src_len, dim)
            uh = uh.expand(src_batch, tgt_len, src_len, dim)
            wquh = self.tanh(wq + uh)
            return self.v(wquh.view(-1, dim)).view(tgt_batch, tgt_len, src_len)

    def forward(self, input_0, input_1):
        primals_3 = self.linear_out.weight
        primals_1 = input_0
        primals_2 = input_1
        output = call([primals_1, primals_2, primals_3])
        return output[0], output[1]


Measured latency_ms: 0.06544