import torch
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.triton_helpers import libdevice
import math
from torch import Tensor
import torch.nn as nn
from torch.nn import Parameter
from torch.autograd import Variable
assert_size_stride = torch._C._dynamo.guards.assert_size_stride
empty_strided_cuda = torch._C._dynamo.guards._empty_strided_cuda


@triton.jit
def triton_poi_fused_add_div_mul_sqrt_sub_0(in_ptr0, in_ptr1, in_ptr2,
    out_ptr0, xnumel, XBLOCK: tl.constexpr):
    xnumel = 16
    xoffset = tl.program_id(0) * XBLOCK
    xindex = xoffset + tl.arange(0, XBLOCK)[:]
    xmask = xindex < xnumel
    x0 = xindex % 4
    x2 = xindex
    x1 = xindex // 4
    tmp0 = tl.load(in_ptr0 + x0, xmask, eviction_policy='evict_last')
    tmp1 = tl.load(in_ptr1 + x2, xmask)
    tmp2 = tl.load(in_ptr1 + 4 * x1, xmask, eviction_policy='evict_last')
    tmp3 = tl.load(in_ptr1 + (1 + 4 * x1), xmask, eviction_policy='evict_last')
    tmp5 = tl.load(in_ptr1 + (2 + 4 * x1), xmask, eviction_policy='evict_last')
    tmp7 = tl.load(in_ptr1 + (3 + 4 * x1), xmask, eviction_policy='evict_last')
    tmp30 = tl.load(in_ptr2 + x0, xmask, eviction_policy='evict_last')
    tmp4 = tmp2 + tmp3
    tmp6 = tmp4 + tmp5
    tmp8 = tmp6 + tmp7
    tmp9 = 4.0
    tmp10 = tmp8 / tmp9
    tmp11 = tmp1 - tmp10
    tmp12 = tmp2 - tmp10
    tmp13 = tmp12 * tmp12
    tmp14 = tmp3 - tmp10
    tmp15 = tmp14 * tmp14
    tmp16 = tmp13 + tmp15
    tmp17 = tmp5 - tmp10
    tmp18 = tmp17 * tmp17
    tmp19 = tmp16 + tmp18
    tmp20 = tmp7 - tmp10
    tmp21 = tmp20 * tmp20
    tmp22 = tmp19 + tmp21
    tmp23 = 3.0
    tmp24 = tmp22 / tmp23
    tmp25 = 1e-06
    tmp26 = tmp24 + tmp25
    tmp27 = libdevice.sqrt(tmp26)
    tmp28 = tmp11 / tmp27
    tmp29 = tmp0 * tmp28
    tmp31 = tmp29 + tmp30
    tl.store(out_ptr0 + x2, tmp31, xmask)


def call(args):
    primals_1, primals_2, primals_3 = args
    args.clear()
    assert_size_stride(primals_1, (4, 4), (4, 1))
    assert_size_stride(primals_2, (1, 4), (4, 1))
    assert_size_stride(primals_3, (1, 4), (4, 1))
    with torch.cuda._DeviceGuard(0):
        torch.cuda.set_device(0)
        buf0 = empty_strided_cuda((4, 4), (4, 1), torch.float32)
        get_raw_stream(0)
        triton_poi_fused_add_div_mul_sqrt_sub_0[grid(16)](primals_2,
            primals_1, primals_3, buf0, 16, XBLOCK=16, num_warps=1,
            num_stages=1)
        del primals_2
        del primals_3
    return buf0, primals_1


class LayerNormNew(nn.Module):
    """
    Layer Normalization based on Ba & al.:
    'Layer Normalization'
    https://arxiv.org/pdf/1607.06450.pdf
    """

    def __init__(self, input_size, learnable=True, epsilon=1e-06):
        super(LayerNormNew, self).__init__()
        self.input_size = input_size
        self.learnable = learnable
        self.alpha = Tensor(1, input_size).fill_(1)
        self.beta = Tensor(1, input_size).fill_(0)
        self.epsilon = epsilon
        if learnable:
            W = Parameter
        else:
            W = Variable
        self.alpha = W(self.alpha)
        self.beta = W(self.beta)
        self.reset_parameters()

    def reset_parameters(self):
        std = 1.0 / math.sqrt(self.input_size)
        for w in self.parameters():
            w.data.uniform_(-std, std)

    def forward(self, input_0):
        primals_2 = self.alpha
        primals_3 = self.beta
        primals_1 = input_0
        output = call([primals_1, primals_2, primals_3])
        return output[0]


Measured latency_ms: 0.015935