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 torch.utils.data
import torch.nn as nn
from torch.nn.parameter import Parameter
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_per_fused_add_mean_mul_pow_rsqrt_sub_0(in_out_ptr0, in_out_ptr1,
    in_ptr0, in_ptr1, in_ptr2, out_ptr0, xnumel, rnumel, XBLOCK: tl.constexpr):
    xnumel = 16
    RBLOCK: tl.constexpr = 16
    xoffset = tl.program_id(0) * XBLOCK
    xindex = xoffset + tl.arange(0, XBLOCK)[:, None]
    xmask = xindex < xnumel
    rindex = tl.arange(0, RBLOCK)[None, :]
    tl.full([XBLOCK, RBLOCK], True, tl.int1)
    r1 = rindex
    x0 = xindex
    x2 = xindex % 4
    tmp0 = tl.load(in_ptr0 + (r1 + 16 * x0), xmask, other=0.0)
    tmp18 = tl.load(in_ptr1 + x2, xmask, eviction_policy='evict_last')
    tmp20 = tl.load(in_ptr2 + x2, xmask, eviction_policy='evict_last')
    tmp1 = tl.broadcast_to(tmp0, [XBLOCK, RBLOCK])
    tmp3 = tl.where(xmask, tmp1, 0)
    tmp4 = tl.sum(tmp3, 1)[:, None]
    tmp5 = 16.0
    tmp6 = tmp4 / tmp5
    tmp7 = tmp0 - tmp6
    tmp8 = tmp7 * tmp7
    tmp9 = tl.broadcast_to(tmp8, [XBLOCK, RBLOCK])
    tmp11 = tl.where(xmask, tmp9, 0)
    tmp12 = tl.sum(tmp11, 1)[:, None]
    tmp13 = tmp12 / tmp5
    tmp14 = 1e-05
    tmp15 = tmp13 + tmp14
    tmp16 = libdevice.rsqrt(tmp15)
    tmp17 = tmp7 * tmp16
    tmp19 = tmp17 * tmp18
    tmp21 = tmp19 + tmp20
    tl.debug_barrier()
    tl.store(in_out_ptr0 + x0, tmp6, xmask)
    tl.debug_barrier()
    tl.store(in_out_ptr1 + x0, tmp16, xmask)
    tl.store(out_ptr0 + (r1 + 16 * x0), tmp21, xmask)


def call(args):
    primals_1, primals_2, primals_3 = args
    args.clear()
    assert_size_stride(primals_1, (4, 4, 4, 4), (64, 16, 4, 1))
    assert_size_stride(primals_2, (4,), (1,))
    assert_size_stride(primals_3, (4,), (1,))
    with torch.cuda._DeviceGuard(0):
        torch.cuda.set_device(0)
        buf0 = empty_strided_cuda((4, 4, 1), (4, 1, 16), torch.float32)
        buf1 = reinterpret_tensor(buf0, (4, 4, 1), (4, 1, 1), 0)
        del buf0
        buf2 = empty_strided_cuda((4, 4, 1), (4, 1, 16), torch.float32)
        buf3 = reinterpret_tensor(buf2, (4, 4, 1), (4, 1, 1), 0)
        del buf2
        buf4 = empty_strided_cuda((4, 4, 4, 4), (64, 16, 4, 1), torch.float32)
        get_raw_stream(0)
        triton_per_fused_add_mean_mul_pow_rsqrt_sub_0[grid(16)](buf1, buf3,
            primals_1, primals_2, primals_3, buf4, 16, 16, XBLOCK=8,
            num_warps=2, num_stages=1)
        del primals_2
        del primals_3
    return buf4, primals_1, buf1, buf3


class InstanceNormNew(nn.Module):

    def __init__(self, num_features, affine=True, eps=1e-05):
        """`num_features` number of feature channels
        """
        super(InstanceNormNew, self).__init__()
        self.num_features = num_features
        self.affine = affine
        self.eps = eps
        self.scale = Parameter(torch.Tensor(num_features))
        self.shift = Parameter(torch.Tensor(num_features))
        self.reset_parameters()

    def reset_parameters(self):
        if self.affine:
            self.scale.data.normal_(mean=0.0, std=0.02)
            self.shift.data.zero_()

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


Measured latency_ms: 0.020541