Exemplo n.º 1
0
    def _create_cc(self, x, gy, hint, e=Engine()):
        if x.ndim == 2:
            fmt = m.memory.nc
        else:
            fmt = m.memory.nchw

        x = array(x, fmt, e)
        gy = array(gy, fmt, e)

        diff_pd = gy.memory.get_primitive_desc()
        outputs = CC.reorder_if_must(x, diff_pd, e, self.dag)

        if len(outputs) == 2:
            x, self.itm_arr = outputs[:2]
        else:
            x = outputs[0]

        mem_pd = x.memory.get_primitive_desc()

        cc_d = eltwise_backward.desc(eltwise_relu, diff_pd.desc(),
                                     mem_pd.desc(), 0.0, 0.0)
        cc_pd = eltwise_backward.primitive_desc(cc_d, e, hint)

        # gx = mdarray(cc_pd.diff_src_primitive_desc())
        # print("gx.format=", m.get_fmt(cc_pd.diff_src_primitive_desc()))
        gx = gy

        self.dag.push_back(eltwise_backward.eltwise_backward(cc_pd,
                            at(x.memory), at(gy.memory), gx.memory))

        self.x = x
        self.gy = gy
        self._hint = hint
        self.outputs = gx,
Exemplo n.º 2
0
    def _create_cc(self, x, gy, stride, pad, outsize, cover_all, hint, e):
        super(ConvolutionBackwardWeights, self).__init__()

        o = gy.shape[1]
        i = x.shape[1]
        kh, kw = outsize

        g = conv.conv_geometry(x.shape, (o, i, kh, kw), stride, pad, cover_all)

        x_d = m.desc(x.shape, m.memory.f32, m.memory.any)
        gy_d = m.desc(gy.shape, m.memory.f32, m.memory.any)
        W_d = m.desc((o, i, kh, kw), m.memory.f32, m.memory.any)
        b_d = m.desc((o, ), m.memory.f32, m.memory.any)

        cc_d = conv_backweights.desc(convolution_direct, x_d, W_d, b_d, gy_d,
                                     g.geometry[0], g.geometry[1],
                                     g.geometry[2], zero)

        cc_pd = conv_backweights.primitive_desc(cc_d, e, hint)

        self.x = array(x, m.memory.nchw, e)
        self.gy = array(gy, m.memory.nchw, e)
        self._hint = hint

        gW = conv_bwb_op(cc_pd, self.x, self.gy, self.dag)
        gb = gW.extra

        self.outputs = gW, gb
Exemplo n.º 3
0
    def _create_cc(self, x, W, gy, hint, fwd_W, e=Engine()):
        # Create primitive descriptor
        cc_d = create_backward_desc(ip_backdata.desc, x, W, gy)
        cc_pd = ip_backdata.primitive_desc(cc_d, e, hint)

        # Transform inputs
        self.W = fwd_W
        self.gy = array(gy, m.memory.nc, e)

        gx = linear_bd_op(cc_pd, self.gy, self.W, self.dag)

        # # Prepare output mdarray
        # gx = mdarray(cc_pd.diff_src_primitive_desc())

        # dag = self.dag_

        # # Reorder if must
        # gy_m = reorder_if_must(self.gy.memory, cc_pd.diff_dst_primitive_desc(), dag)
        # W_m = reorder_if_must(self.W.memory, cc_pd.weights_primitive_desc(), dag)

        # dag.push_back(ip_backdata.inner_product_backward_data(cc_pd,
        #     at(gy_m), at(W_m), gx.memory))

        # self.gy_m = gy_m
        # self.W_m = W_m
        self._hint = hint
        self.outputs = gx,
Exemplo n.º 4
0
    def _create_cc(self, x, W, b, e=Engine()):
        y_d = m.desc((x.shape[0], W.shape[0]), m.memory.f32, m.memory.any)
        # Create primitive_desc from any
        cc_d = create_forward_desc(ip_forward.desc, y_d, x, W, b)
        cc_pd = ip_forward.primitive_desc(cc_d, e)

        # Transform inputs
        self.x = array(x, _x_format(x.ndim), e)
        w_mpd = cc_pd.weights_primitive_desc()
        self.usr_w = array(W, _W_format(W.ndim), e)
        outputs = CC.reorder_if_must(self.usr_w, w_mpd, e, self.dag)
        if len(outputs) == 2:
            self.W, self.itm_arr = outputs[:2]
        else:
            self.W = outputs[0]

        if b is not None:
            self.b = array(b, m.memory.x, e)
            y = linear_f_op(cc_pd, self.x, self.W, self.b, self.dag)
        else:
            y = linear_f_op(cc_pd, self.x, self.W, self.dag)

        # Prepare output
        # y = mdarray(cc_pd.dst_primitive_desc())

        # dag = self.dag_

        # # Reorder if must
        # x_m = reorder_if_must(self.x.memory,
        #         cc_pd.src_primitive_desc(), dag)
        # W_m = reorder_if_must(self.W.memory,
        #         cc_pd.weights_primitive_desc(), dag)

        # if b is None:
        #     dag.push_back(ip_forward.inner_product_forward(cc_pd,
        #         at(x_m), at(W_m), y.memory))
        # else:
        #     dag.push_back(ip_forward.inner_product_forward(cc_pd,
        #         at(x_m), at(W_m), at(self.b.memory), y.memory))

        # self.x_m = x_m
        # self.W_m = W_m
        self._hint = cc_pd
        self.outputs = y,
Exemplo n.º 5
0
    def _create_cc(self, x, W, b, gy, hint, e):
        cc_d = create_backward_desc(ip_backweights.desc, x, W, b, gy)
        cc_pd = ip_backweights.primitive_desc(cc_d, e, hint)

        # Transfer inputs to mdarray
        self.x = array(x, _x_format(x.ndim), e)
        self.gy = array(gy, m.memory.nc, e)

        if b is None:
            gW = linear_bw_op(cc_pd, self.x, self.gy, self.dag)
        else:
            gW = linear_bwb_op(cc_pd, self.x, self.gy, self.dag)
            gb = gW.extra

        # Prepare outputs mdarray
        # gW = mdarray(cc_pd.diff_weights_primitive_desc())
        # if b is not None:
        #     gb = mdarray(cc_pd.diff_bias_primitive_desc())
        #     self.has_b = True
        # else:
        #     self.has_b = False

        # dag = self.dag_

        # # Reorder if must
        # gy_m = reorder_if_must(self.gy.memory, cc_pd.diff_dst_primitive_desc(), dag)
        # x_m = reorder_if_must(self.x.memory, cc_pd.src_primitive_desc(), dag)

        # if b is not None:
        #     dag.push_back(ip_backweights.inner_product_backward_weights(cc_pd,
        #         at(x_m), at(self.gy.memory), gW.memory, gb.memory))
        # else:
        #     dag.push_back(ip_backweights.inner_product_backward_weights(cc_pd,
        #         at(x_m), at(self.gy.memory), gW.memory))

        # self.x_m = x_m
        self._hint = hint
        if b is None:
            self.outputs = gW,
        else:
            self.outputs = gW, gb
Exemplo n.º 6
0
    def _create_cc(self, x, W, b, stride, pad, cover_all, e):
        super(ConvolutionForward, self).__init__()
        g = conv.conv_geometry(x.shape, W.shape, stride, pad, cover_all)

        y_d = m.desc(g.out_shape, m.memory.f32, m.memory.any)

        # Create primitive_desc from any
        cc_d = create_forward_desc(conv_forward.desc, y_d, (x, W, b),
                                   g.geometry)

        cc_pd = conv_forward.primitive_desc(cc_d, e)
        w_mpd = cc_pd.weights_primitive_desc()
        self.usr_w = array(W, m.memory.oihw, e)
        outputs = CC.reorder_if_must(self.usr_w, w_mpd, e, self.dag)
        if len(outputs) == 2:
            self.W, self.itm_arr = outputs[:2]
        else:
            self.W = outputs[0]

        # Record weight reorder primitive hint
        if self.usr_w is not self.W:
            wro = WeightReorderOptimization()
            wro.reorder = self.dag.size() - 1
            wro.optimized = False
            self.weight_reorder_opt = wro
        else:
            self.weight_reorder_opt = None

        self.x = array(x, m.memory.nchw, e)
        if b is not None:
            self.b = array(b, m.memory.x, e)

        if b is None:
            y = conv_f_op(cc_pd, self.x, self.W, self.dag)
        else:
            y = conv_f_op(cc_pd, self.x, self.W, self.b, self.dag)

        self._hint = cc_pd
        self.outputs = y,
Exemplo n.º 7
0
    def _create_cc(self, gy, W, stride, pad, outsize, cover_all, hint, e):
        super(ConvolutionBackwardData, self).__init__()

        # Get information
        g = conv.deconv_geometry(gy.shape, W.shape, stride, pad, outsize)

        gy_d = m.desc(gy.shape, m.memory.f32, m.memory.any)
        W_d = m.desc(W.shape, m.memory.f32, m.memory.any)
        x_d = m.desc(g.in_shape, m.memory.f32, m.memory.any)

        cc_d = conv_backdata.desc(convolution_direct, x_d, W_d, gy_d,
                                  g.geometry[0], g.geometry[1], g.geometry[2],
                                  zero)

        cc_pd = conv_backdata.primitive_desc(cc_d, e, hint)

        self.gy = array(gy, m.memory.nchw, e)
        self.W = array(W, m.memory.oihw, e)

        gx = conv_bd_op(cc_pd, self.gy, self.W, self.dag)

        self._hint = hint
        self.outputs = gx,
Exemplo n.º 8
0
    def _create_cc(self, x, e=Engine()):
        if x.ndim == 2:
            fmt = m.memory.nc
        elif x.ndim == 4:
            fmt = m.memory.nchw

        x = array(x, fmt, e)
        mem_pd = x.memory.get_primitive_desc()

        cc_d = eltwise_forward.desc(
            forward, eltwise_relu, mem_pd.desc(), 0.0, 0.0)
        cc_pd = eltwise_forward.primitive_desc(cc_d, e)

        y = mdarray(cc_pd.dst_primitive_desc())

        self.x = x
        self.dag.push_back(eltwise_forward.eltwise_forward(cc_pd,
                            at(x.memory), y.memory))

        self._hint = cc_pd
        self.outputs = y,