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
import torch.utils.data
import torch.nn as nn
import torch.nn.parallel
assert_size_stride = torch._C._dynamo.guards.assert_size_stride
empty_strided_cuda = torch._C._dynamo.guards._empty_strided_cuda


@triton.jit
def triton_per_fused_add_mul_pow_sub_sum_0(in_ptr0, in_ptr1, out_ptr0,
    out_ptr1, out_ptr2, xnumel, rnumel, XBLOCK: tl.constexpr):
    xnumel = 4
    RBLOCK: tl.constexpr = 64
    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
    tmp0 = tl.load(in_ptr0 + (r1 + 64 * x0), xmask, other=0.0)
    tmp5 = tl.load(in_ptr1 + (r1 + 64 * x0), xmask, other=0.0)
    tmp1 = 0.7
    tmp2 = tmp0 * tmp1
    tmp3 = 0.15
    tmp4 = tmp2 + tmp3
    tmp6 = 2.0
    tmp7 = tmp5 * tmp6
    tmp8 = 1.0
    tmp9 = tmp7 - tmp8
    tmp10 = tmp4 * tmp9
    tmp11 = tmp0 * tmp6
    tmp12 = tmp11 - tmp8
    tmp13 = tmp4 * tmp12
    tmp14 = tmp10 * tmp13
    tmp15 = tl.broadcast_to(tmp14, [XBLOCK, RBLOCK])
    tmp17 = tl.where(xmask, tmp15, 0)
    tmp18 = tl.sum(tmp17, 1)[:, None]
    tmp19 = tmp10 * tmp10
    tmp20 = tl.broadcast_to(tmp19, [XBLOCK, RBLOCK])
    tmp22 = tl.where(xmask, tmp20, 0)
    tmp23 = tl.sum(tmp22, 1)[:, None]
    tmp24 = tmp13 * tmp13
    tmp25 = tl.broadcast_to(tmp24, [XBLOCK, RBLOCK])
    tmp27 = tl.where(xmask, tmp25, 0)
    tmp28 = tl.sum(tmp27, 1)[:, None]
    tl.store(out_ptr0 + x0, tmp18, xmask)
    tl.store(out_ptr1 + x0, tmp23, xmask)
    tl.store(out_ptr2 + x0, tmp28, xmask)


@triton.jit
def triton_per_fused_add_div_mean_mul_rsub_1(in_out_ptr0, in_ptr0, in_ptr1,
    in_ptr2, xnumel, rnumel, XBLOCK: tl.constexpr):
    RBLOCK: tl.constexpr = 4
    xoffset = tl.program_id(0) * XBLOCK
    xoffset + tl.arange(0, XBLOCK)[:, None]
    tl.full([XBLOCK, RBLOCK], True, tl.int1)
    rindex = tl.arange(0, RBLOCK)[None, :]
    tl.full([XBLOCK, RBLOCK], True, tl.int1)
    r0 = rindex
    tmp0 = tl.load(in_ptr0 + r0, None)
    tmp5 = tl.load(in_ptr1 + r0, None)
    tmp6 = tl.load(in_ptr2 + r0, None)
    tmp1 = 2.0
    tmp2 = tmp0 * tmp1
    tmp3 = 100.0
    tmp4 = tmp2 + tmp3
    tmp7 = tmp5 + tmp6
    tmp8 = tmp7 + tmp3
    tmp9 = tmp4 / tmp8
    tmp10 = 1.0
    tmp11 = tmp10 - tmp9
    tmp12 = tl.broadcast_to(tmp11, [XBLOCK, RBLOCK])
    tmp14 = tl.sum(tmp12, 1)[:, None]
    tmp15 = 4.0
    tmp16 = tmp14 / tmp15
    tl.debug_barrier()
    tl.store(in_out_ptr0 + tl.full([XBLOCK, 1], 0, tl.int32), tmp16, 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((4,), (1,), torch.float32)
        buf1 = empty_strided_cuda((4,), (1,), torch.float32)
        buf2 = empty_strided_cuda((4,), (1,), torch.float32)
        get_raw_stream(0)
        triton_per_fused_add_mul_pow_sub_sum_0[grid(4)](arg1_1, arg0_1,
            buf0, buf1, buf2, 4, 64, XBLOCK=1, num_warps=2, num_stages=1)
        del arg0_1
        del arg1_1
        buf3 = empty_strided_cuda((), (), torch.float32)
        buf4 = buf3
        del buf3
        triton_per_fused_add_div_mean_mul_rsub_1[grid(1)](buf4, buf0, buf1,
            buf2, 1, 4, XBLOCK=1, num_warps=2, num_stages=1)
        del buf0
        del buf1
        del buf2
    return buf4,


class WSDiceLossNew(nn.Module):

    def __init__(self, smooth=100.0, power=2.0, v2=0.85, v1=0.15):
        super().__init__()
        self.smooth = smooth
        self.power = power
        self.v2 = v2
        self.v1 = v1

    def dice_loss(self, pred, target):
        iflat = pred.reshape(pred.shape[0], -1)
        tflat = target.reshape(pred.shape[0], -1)
        wt = tflat * (self.v2 - self.v1) + self.v1
        g_pred = wt * (2 * iflat - 1)
        g = wt * (2 * tflat - 1)
        intersection = (g_pred * g).sum(-1)
        loss = 1 - (2.0 * intersection + self.smooth) / ((g_pred ** self.
            power).sum(-1) + (g ** self.power).sum(-1) + self.smooth)
        return loss.mean()

    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: 0.015324