コード例 #1
0
ファイル: relu.py プロジェクト: pombredanne/ideep
    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,
コード例 #2
0
ファイル: pooling_2d.py プロジェクト: pombredanne/ideep
    def _create_cc(self, x, gy, hint, y, ws, ksize, stride, pad, cover_all, e):
        self.ksize = ksize
        self.stride = stride
        self.pad = pad
        self.cover_all = cover_all
        self.x = array(x, m.memory.nchw, e)
        gy = array(gy, m.memory.nchw, e)
        if self.alg_kind is pooling_max:
            gy_md = y.memory.get_primitive_desc().desc()
        else:
            gy_md = gy.memory.get_primitive_desc().desc()
        gx_md = m.desc(x.shape, m.memory.f32, m.memory.any)
        # x_md = self.x.memory.get_primitive_desc().desc()

        n, c, h, w = x.shape
        sy, sx = _pair(stride)
        kh, kw = _pair(ksize)
        p_upper, p_left = _pair(pad)

        yh = conv.get_conv_outsize(h, kh, sy, p_upper, cover_all=cover_all)
        assert yh > 0, 'Height in the output should be positive.'
        yw = conv.get_conv_outsize(w, kw, sx, p_left, cover_all=cover_all)
        assert yw > 0, 'Width in the output should be positive.'

        p_down = sy * (yh - 1) + kh - h - p_upper
        p_right = sx * (yw - 1) + kw - w - p_left

        cc_d = pooling_backward.desc(self.alg_kind, gx_md, gy_md, stride,
                                     ksize, (p_upper, p_left),
                                     (p_down, p_right), zero)

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

        gx = mdarray(cc_pd.diff_src_primitive_desc())

        if self.alg_kind is pooling_max:
            # For max pooling reorder y if needed
            outputs = reorder_if_must(gy, y.memory.get_primitive_desc(), e,
                                      self.dag_)
            if len(outputs) == 2:
                self.reordered_gy, self.itm_arr = outputs[:2]
            else:
                self.reordered_gy = outputs[0]
                self.dag_.push_back(
                    pooling_backward.pooling_backward(
                        cc_pd, at(self.reordered_gy.memory), at(ws.memory),
                        gx.memory))
        else:
            # There is no workspace for average pooling
            self.dag_.push_back(
                pooling_backward.pooling_backward(cc_pd, at(gy.memory),
                                                  gx.memory))

        self._hint = hint
        self.gy = gy
        self.outputs = gx,
コード例 #3
0
ファイル: sum.py プロジェクト: pombredanne/ideep
def mkl_sum(xs, func=None):
    e = Engine()

    xarrays = ()  # prevent the obj from gc
    xs_arrays = ()  # prevent the obj from gc
    itm_arr = None  # prvent the obj from gc
    xs_mpdl = m.mpd_list()
    xs_pl = ()
    scales = m.vectord()
    pl = primitive_list()
    for i in range(len(xs)):
        xarray = array(xs[i], _x_format(xs[i].ndim), e)
        xmpd = xarray.memory.get_primitive_desc()
        if i == 0:
            xmpd_best = xmpd
        else:
            if m.get_fmt(xmpd) > m.get_fmt(xmpd_best):
                xmpd_best = xmpd
        xs_arrays += (xarray,)
    for x in xs_arrays:
        outputs = reorder_if_must(x, xmpd_best, e, pl)
        if len(outputs) == 2:
            xarray, itm_arr = outputs[:2]
        else:
            xarray = outputs[0]
        xarrays += (xarray,)
        scales.push_back(1.0)
        xs_mpdl.push_back(xarray.memory.get_primitive_desc())
        xs_pl += (at(xarray.memory), )

    cc_pd = sum.primitive_desc(scales, xs_mpdl)
    if func is not None and hasattr(func, 'hint'):  # this is only used for grad accumulate currently
        cc = ComputeComplex.get_bd_cc(func.hint, pos=(func.rank, func.fanout))
        if cc is not None:
            y = cc.gy
        else:
            y = mdarray(cc_pd.dst_primitive_desc())
    else:
        y = mdarray(cc_pd.dst_primitive_desc())
    pl.push_back(sum.sum(cc_pd, xs_pl, y.memory))
    s = Stream()
    s.submit(pl)
    s.wait()

    return y
コード例 #4
0
ファイル: linear.py プロジェクト: pombredanne/ideep
    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,
コード例 #5
0
    def _create_cc(self, inputs, fwd_x, gy, hint, flags, eps, mean, var, e):
        self.train = configuration.config.train
        self.flags = flags
        self.eps = eps
        x, gamma, beta = inputs[:3]
        # self.x = array(x, m.memory.nchw, e)
        self.x = fwd_x
        x_mpd = self.x.memory.get_primitive_desc()
        x_md = x_mpd.desc()
        gy = array(gy, m.memory.nchw, e)
        outputs = reorder_if_must(gy, x_mpd, e, self.dag_)
        if len(outputs) == 2:
            self.gy_src = gy
            gy, self.itm_arr = outputs[:2]
        else:
            self.gy_src = gy
            gy = outputs[0]

        gy_md = gy.memory.get_primitive_desc().desc()
        cc_d = bn_backward.desc(backward, gy_md, x_md, eps, flags)
        cc_pd = bn_backward.primitive_desc(cc_d, e, hint)

        gx = mdarray(self.x.memory.get_primitive_desc(), gy.memory)
        if flags & use_scale_shift:
            w = numpy.concatenate((gamma, beta), axis=0).reshape((2, -1))
            self.w = array(w, m.memory.nc, e)
            self.mean = array(mean, m.memory.x, e)
            self.var = array(var, m.memory.x, e)
            self.gw = mdarray(cc_pd.diff_weights_primitive_desc())
            bwd_p = bn_backward.batch_normalization_backward(
                cc_pd, at(self.x.memory), at(self.mean.memory),
                at(self.var.memory), at(gy.memory), at(self.w.memory),
                gx.memory, self.gw.memory)
        else:
            bwd_p = bn_backward.batch_normalization_backward(
                cc_pd, at(self.x.memory), at(self.mean.memory),
                at(self.var.memory), at(gy.memory), gx.memory)

        self.dag_.push_back(bwd_p)
        self._hint = hint
        self.gy = gy
        self.outputs = gx, self.gw
コード例 #6
0
ファイル: basic_math.py プロジェクト: pombredanne/ideep
    def _create_cc(self, inputs, e):
        x0, x1 = inputs[:2]
        xs_mpdl = m.mpd_list()
        xs_pl = ()
        scales = m.vectord()

        self.x0 = x0
        self.x1 = x1
        self.x1_reordered = reorder_if_must(x1, x0.memory.get_primitive_desc(),
                                            e, self.dag_)[0]
        scales.push_back(1.0)
        scales.push_back(1.0)
        xs_mpdl.push_back(x0.memory.get_primitive_desc())
        xs_mpdl.push_back(self.x1_reordered.memory.get_primitive_desc())
        cc_pd = sum.primitive_desc(scales, xs_mpdl)

        xs_pl = (at(x0.memory), at(self.x1_reordered.memory))
        y = mdarray(cc_pd.dst_primitive_desc())

        self.dag_.push_back(sum.sum(cc_pd, xs_pl, y.memory))
        self.outputs = y,
コード例 #7
0
ファイル: convolution_2d.py プロジェクト: pombredanne/ideep
    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,
コード例 #8
0
    def _create_cc(self, inputs, eps, mean, var, e):
        self.eps = eps
        self.mean = None
        self.var = None
        self.w = None
        self.train = configuration.config.train
        x, gamma, beta = inputs[:3]

        fmt_desired = m.get_desired_format(x.shape[1])
        x = array(x, m.memory.nchw, e)
        # x = array(x, fmt_desired, e)

        assert x.dtype == numpy.dtype('float32')
        x_desired_md = m.desc(x.shape, m.memory.f32, fmt_desired)
        x_desired_mpd = m.primitive_desc(x_desired_md, e)
        outputs = reorder_if_must(x, x_desired_mpd, e, self.dag_)
        if len(outputs) == 2:
            self.x, self.itm_arr = outputs[:2]
            self.x_src = x
        else:
            self.x = outputs[0]
            self.x_src = x

        w = numpy.concatenate((gamma, beta), axis=0).reshape((2, -1))
        self.numpy_w = w
        self.w = array(w, m.memory.nc, e)
        scale_shift = True
        self.flags = use_scale_shift
        if mean is None:
            fwd_prop_kind = forward_training
            global_stats = False
        else:
            fwd_prop_kind = forward_scoring
            self.flags |= use_global_stats
            global_stats = True
            self.mean = array(mean, m.memory.x, e)
            self.var = array(var, m.memory.x, e)

        x_md = self.x.memory.get_primitive_desc().desc()
        cc_d = bn_forward.desc(fwd_prop_kind, x_md, eps, self.flags)
        cc_pd = bn_forward.primitive_desc(cc_d, e)
        y = mdarray(cc_pd.dst_primitive_desc())

        # TODO reorder weight
        # if scale_shift is True:
        #    w = mdarray(cc_pd.weights_primitive_desc())
        if scale_shift is True and global_stats is False:
            self.mean = mdarray(cc_pd.mean_primitive_desc())
            self.var = mdarray(cc_pd.variance_primitive_desc())

        if (not configuration.config.train) and (not global_stats):
            if scale_shift is True:
                bnf = bn_forward.batch_normalization_forward(
                    cc_pd, at(self.x.memory), at(self.w.memory), y.memory)
            else:
                bnf = bn_forward.batch_normalization_forward(
                    cc_pd, at(self.x.memory), y.memory)
        elif global_stats is True:
            if scale_shift is True:
                bnf = bn_forward.batch_normalization_forward(
                    cc_pd, at(self.x.memory), at(self.mean.memory),
                    at(self.var.memory), at(self.w.memory), y.memory)
            else:
                bnf = bn_forward.batch_normalization_forward(
                    cc_pd, at(self.x.memory), self.mean.memory,
                    self.var.memory, y.memory)
        else:
            if scale_shift is True:
                bnf = bn_forward.batch_normalization_forward(
                    cc_pd, at(self.x.memory), at(self.w.memory), y.memory,
                    self.mean.memory, self.var.memory)
            else:
                bnf = bn_forward.batch_normalization_forward(
                    cc_pd, at(self.x.memory), y.memory, self.mean.memory,
                    self.var.memory)

        self.dag_.push_back(bnf)
        self._hint = cc_pd
        self.outputs = y, self.flags, self.mean, self.var