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 import triton_helpers
from torch import nn
import torch.hub
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_div_mean_mul_rsub_sum_0(in_out_ptr0, in_ptr0,
    in_ptr1, xnumel, rnumel):
    XBLOCK: tl.constexpr = 1
    RBLOCK: tl.constexpr = 256
    xoffset = tl.program_id(0) * XBLOCK
    tl.full([1], xoffset, tl.int32)
    tl.full([RBLOCK], True, tl.int1)
    rindex = tl.arange(0, RBLOCK)[:]
    tl.full([RBLOCK], True, tl.int1)
    r0 = rindex
    tmp0 = tl.load(in_ptr0 + r0, None)
    tmp1 = tl.load(in_ptr1 + r0, None)
    tmp2 = tmp0 * tmp1
    tmp3 = tl.broadcast_to(tmp2, [RBLOCK])
    tmp5 = triton_helpers.promote_to_tensor(tl.sum(tmp3, 0))
    tmp6 = tl.broadcast_to(tmp0, [RBLOCK])
    tmp8 = triton_helpers.promote_to_tensor(tl.sum(tmp6, 0))
    tmp9 = tl.broadcast_to(tmp1, [RBLOCK])
    tmp11 = triton_helpers.promote_to_tensor(tl.sum(tmp9, 0))
    tmp12 = 2.0
    tmp13 = tmp5 * tmp12
    tmp14 = 0.001
    tmp15 = tmp13 + tmp14
    tmp16 = tmp8 + tmp11
    tmp17 = tmp16 + tmp14
    tmp18 = tmp15 / tmp17
    tmp19 = 1.0
    tmp20 = tmp19 - tmp18
    tmp21 = tmp20 / tmp19
    tl.debug_barrier()
    tl.store(in_out_ptr0 + tl.full([1], 0, tl.int32), tmp21, None)


def call(args):
    arg0_1, arg1_1 = args
    args.clear()
    assert_size_stride(arg0_1, (4, 4, 4, 4), (64, 16, 4, 1))
    assert_size_stride(arg1_1, (4, 4, 4, 4), (64, 16, 4, 1))
    with torch.cuda._DeviceGuard(0):
        torch.cuda.set_device(0)
        buf0 = empty_strided_cuda((1,), (1,), torch.float32)
        buf3 = reinterpret_tensor(buf0, (), (), 0)
        del buf0
        get_raw_stream(0)
        triton_per_fused_add_div_mean_mul_rsub_sum_0[grid(1)](buf3, arg0_1,
            arg1_1, 1, 256, num_warps=2, num_stages=1)
        del arg0_1
        del arg1_1
    return buf3,


def soft_dice_loss(outputs, targets, per_image=False, reduce=True, ohpm=
    False, ohpm_pixels=256 * 256):
    batch_size = outputs.size()[0]
    eps = 0.001
    if not per_image:
        batch_size = 1
    if ohpm:
        dice_target = targets.contiguous().view(-1).float()
        dice_output = outputs.contiguous().view(-1)
        loss_b = torch.abs(dice_target - dice_output)
        _, indc = loss_b.topk(ohpm_pixels)
        dice_target = dice_target[indc]
        dice_output = dice_output[indc]
        intersection = torch.sum(dice_output * dice_target)
        union = torch.sum(dice_output) + torch.sum(dice_target) + eps
        loss = 1 - (2 * intersection + eps) / union
        loss = loss.mean()
    else:
        dice_target = targets.contiguous().view(batch_size, -1).float()
        dice_output = outputs.contiguous().view(batch_size, -1)
        intersection = torch.sum(dice_output * dice_target, dim=1)
        union = torch.sum(dice_output, dim=1) + torch.sum(dice_target, dim=1
            ) + eps
        loss = 1 - (2 * intersection + eps) / union
        if reduce:
            loss = loss.mean()
    return loss


class DiceLossNew(nn.Module):

    def __init__(self, weight=None, size_average=True, per_image=False,
        ohpm=False, ohpm_pixels=256 * 256):
        super().__init__()
        self.size_average = size_average
        self.register_buffer('weight', weight)
        self.per_image = per_image
        self.ohpm = ohpm
        self.ohpm_pixels = ohpm_pixels

    def forward(self, input_0, input_1):
        arg0_1 = input_0
        arg1_1 = input_1
        output = call([arg0_1, arg1_1])
        return output[0]


Measured latency_ms: 0.015672