def _scalar_dequant_v100_v2(x_l0c, deq_ub, align_shape, x_shape, relu_flag,
sqrt_mode):
"""
dequant for scale in v100
"""
res = tvm.compute(
align_shape,
lambda i, j, k, l:
(x_l0c(i, j, k, l).astype("float16") * deq_ub(0, 0, 0, 0)),
name='dequant_to_fp16')
if sqrt_mode:
res = tvm.compute(x_shape,
lambda i, j, k, l:
(res(i, j, k, l) * deq_ub(0, 0, 0, 0)),
name='dequant_sqrt')
if relu_flag:
res = tvm.compute(x_shape,
lambda *indices: tvm.relu(res(*indices)),
name="dequant_relu")
res = tvm.compute(x_shape,
lambda *indice: res(*indice),
name="res",
tag='dequant_res',
attrs={
'sqrt_mode': sqrt_mode,
'relu_mode': relu_flag,
'is_scalar': 1
})
return res
def _transform(theta, input_dim, out_size, input_shape, dtype):
num_batch = input_shape[0]
height = input_shape[1]
width = input_shape[2]
num_channels = input_shape[3]
theta = topi.reshape(theta, (num_batch, 2, 3))
theta = topi.cast(theta, dtype)
out_height = out_size[0]
out_width = out_size[1]
grid = _meshgrid(out_height, out_width)
grid = topi.reshape(grid, (num_batch, 3, out_height*out_width))
grid = topi.cast(grid, dtype=dtype)
k = tvm.reduce_axis((0, 3), 'k')
T_g = tvm.compute((num_batch, 2, out_height*out_width),lambda b, y, x: tvm.sum(theta[b, y, k] * grid[b, k, x], axis = k), name = 'T_g')
x_s = tvm.compute((num_batch, 1, out_height*out_width), lambda i,j,k:T_g[i,0,k], name = 'x_s')
y_s = tvm.compute((num_batch, 1, out_height*out_width), lambda i,j,k:T_g[i,1,k], name = 'y_s')
x_s_flat = topi.reshape(x_s, (num_batch*out_height*out_width,))
y_s_flat = topi.reshape(y_s, (num_batch*out_height*out_width,))
input_transformed = _interpolate(input_dim, input_shape, x_s_flat, y_s_flat, out_size, dtype)
output = topi.reshape(input_transformed, [num_batch, out_height, out_width, num_channels])
return output
def _dequant_v200_v2(x_l0c, deq_ub, align_shape, x_shape, relu_flag,
tensor_flag):
"""
dequant for vector in v200
"""
if tensor_flag:
res_f16 = tvm.compute(
align_shape,
lambda i, j, k, l: tvm.vdeq_cast(x_l0c(i, j, k, l),
deq_ub(0, j, 0, l),
dtype="float16",
do_relu=relu_flag),
name='dequant_to_fp16',
tag="dequant_vector")
else:
res_f16 = tvm.compute(
align_shape,
lambda i, j, k, l: tvm.deq_cast(
x_l0c(i, j, k, l), deq_ub(0, 0, 0, 0), dtype="float16"),
name='dequant_to_fp16',
tag="dequant_scale")
is_scalar = 1
if tensor_flag:
is_scalar = 0
res = tvm.compute(x_shape,
lambda *indice: res_f16(*indice),
name='res',
tag="dequant_res",
attrs={'is_scalar': is_scalar})
return res
def _scalar_dequant_v100(x, x_shape, align_shape, deq_scale, relu_flag,
sqrt_mode):
"""
dequant for scale in v100
"""
res_f16 = tvm.compute(
align_shape,
lambda i, j, k, l:
(x(i, j, k, l).astype("float16") * deq_scale(0, 0, 0, 0, 0)),
name='dequant1',
tag="dequant1_scale")
res = tvm.compute(x_shape,
lambda *indice: res_f16(*indice),
name='dequant_remove_pad',
tag="dequant_remove_pad")
if relu_flag:
res = tvm.compute(x_shape,
lambda *indices: tvm.relu(res(*indices)),
name="dequant_relu",
tag="dequant_relu")
if sqrt_mode:
res = tvm.compute(
x_shape,
lambda i, j, k, l: (res(i, j, k, l) * deq_scale(0, 0, 0, 0, 0)),
name='dequant2',
tag='dequant2_scale',
)
return res
def _vector_depthwise_fused_v200(x, x_shape, align_shape, deq_scale,
relu_flag):
"""
depthwise dequant for vector in v200
"""
res_f16 = tvm.compute(
align_shape,
lambda i, j, a, k, l: tvm.vdeq_cast(x(i, j // 2, j % 2, k, l),
deq_scale(0, j, 0, 0, l),
dtype="float16",
do_relu=relu_flag),
name='dequant1',
tag="dequant1_vector",
attrs={"relu_flag": relu_flag})
align_shape[3] = x_shape[3].value
res = tvm.compute(align_shape,
lambda *indice: res_f16(*indice),
name='dequant_remove_pad',
tag="dequant_remove_pad",
attrs={"sqrt_flag": 0})
return res
def _unpack_compute_copy(input_place, y, num, axis, kernel_name="unpack"):
"""
unpack a tensor into `num` tensors along axis dimension.
Parameters
----------
input_place: TVM tensor
the tensor of input.
y: tuple or list
the list of output tensor.
num : int.
the length of the dim axis.
axis: int.
the axis to unpack along.
kernel_name : str.
cce kernel name, default value is "unpack".
Returns
-------
gm2ub_tensor_list: list
the list of gm2ub tensors, tensor type is TVM tensor.
ub2gm_tensor_list: list
the list of ub2gm tensors, tensor type is TVM tensor.
virtual_node:
the tensors of virtual output node, tensor type is TVM tensor.
"""
input_shape = te.lang.cce.util.shape_to_list(input_place.shape)
output_shape = input_shape
for index, _ in enumerate(output_shape):
output_shape[index] = output_shape[index] if index != axis else 1
offset = 0
gm2ub_tensor_list = []
ub2gm_tensor_list = []
for i in range(num):
gm2ub_tensor = tvm.compute(output_shape,
lambda *index: input_place(*_index_offset(
output_shape, axis, offset, *index)),
name=''.join(['tensor', str(i)]))
gm2ub_tensor_list.append(gm2ub_tensor)
ub2gm_tensor = tvm.compute(output_shape,
lambda *index: gm2ub_tensor(*index),
name=''.join(['res', str(i)]))
ub2gm_tensor_list.append(ub2gm_tensor)
offset = offset + output_shape[axis]
# create a virtual node
def _add_compute(*index):
virtual_tensor = ub2gm_tensor_list[0](*index)
for ub2gm_tensor in ub2gm_tensor_list[1:]:
virtual_tensor += ub2gm_tensor(*index)
return virtual_tensor
virtual_node = tvm.compute(output_shape,
lambda *index: _add_compute(*index),
name="virtual_node")
return gm2ub_tensor_list, ub2gm_tensor_list, virtual_node
def newton_iteration(shape, tensor_x_rec, tensor_x, symbol, iter_num):
"""
the function of newton_iteration
Parameters
----------
shape: tensor shape
tensor_x_rec: tensor
tensor_x: tensor
symbol: tensor symbol
Returns
-------
tensor_list: dict
scope_list: dict
emit_list: dict
"""
dtype_c = tensor_x_rec.dtype
num_two = tvm.const(2, dtype=dtype_c)
neg_one = tvm.const(-1, dtype=dtype_c)
tmp = tensor_x_rec
tensor_list = {}
scope_list = {}
emit_list = {}
tmp_mul = None
tmp_neg = None
tmp_add = None
for index in range(0, iter_num):
key = "tmp_mul_" + symbol + str(index)
tmp_mul = tvm.compute(shape,
lambda *i: tensor_x(*i) * tmp(*i),
name=key)
tensor_list[key] = tmp_mul
scope_list[key] = cce.scope_ubuf
emit_list[key] = "vector_mul"
key = "tmp_neg_" + symbol + str(index)
tmp_neg = tvm.compute(shape,
lambda *i: tmp_mul(*i) * neg_one,
name=key)
tensor_list[key] = tmp_neg
scope_list[key] = cce.scope_ubuf
emit_list[key] = "vector_muls"
key = "tmp_add_" + symbol + str(index)
tmp_add = tvm.compute(shape,
lambda *i: tmp_neg(*i) + num_two,
name=key)
tensor_list[key] = tmp_add
scope_list[key] = cce.scope_ubuf
emit_list[key] = "vector_adds"
key = "tmp_" + symbol + str(index)
tmp = tvm.compute(shape, lambda *i: tmp_add(*i) * tmp(*i), name=key)
tensor_list[key] = tmp
scope_list[key] = cce.scope_ubuf
emit_list[key] = "vector_mul"
return tensor_list, scope_list, emit_list
def _compute_update(logbase, sign_decay, sign_gm, grad):
vmul_tmp = tvm.compute(sign_gm.shape,
lambda *indice: sign_gm(*indice) * sign_decay[0],
tag='elewise_single_VS_mul')
vmul_tmp = tvm.compute(vmul_tmp.shape,
lambda *indice: vmul_tmp(*indice) * logbase[0],
tag='elewise_single_VS_mul')
exp_tmp = te.lang.cce.vexp(vmul_tmp)
update = te.lang.cce.vmul(exp_tmp, grad)
return update
def apply_keras_momentum_d_compute(var,
accum,
lr,
grad,
momentum,
out_var,
out_accum,
use_nesterov,
kernel_name="apply_keras_momentum_d"):
"""
the operator's compute
:param var: weight, placeholder
:param accum: accum, placeholder
:param lr: learning rate, placeholder
:param grad: gradient, placeholder
:param momentum: nesterov momentum, placeholder
:param out_var: updated of var
:param out_accum: updated of accum
:param use_nesterov: bool
:return: out_var, out_accum
"""
inp_dtype = var.dtype
# check the instruction supports or not
vmul_support = tbe_platform.cce_conf.api_check_support(
"te.lang.cce.vmul", "float32")
if inp_dtype == "float32" and not vmul_support:
raise RuntimeError(
"Input dtype is float32, but do not support on the platform")
# update var and accum according to the momentum scheme
# accum = accum * momentum - grad * lr
accum_momen = tvm.compute(accum.shape,
lambda *indices: accum(*indices) * momentum[0],
tag='elewise_single_VS_mul')
grad_lr = tvm.compute(grad.shape,
lambda *indices: grad(*indices) * lr[0],
tag='elewise_single_VS_mul')
out_accum = te.lang.cce.vsub(accum_momen, grad_lr)
# var = var + accum * momentum - grad * lr
if use_nesterov is True:
accum_momen2 = tvm.compute(
accum.shape,
lambda *indices: out_accum(*indices) * momentum[0],
tag='elewise_single_VS_mul')
add_var_am = te.lang.cce.vadd(var, accum_momen2)
out_var = te.lang.cce.vsub(add_var_am, grad_lr)
# var = var + accum
else:
out_var = te.lang.cce.vadd(var, out_accum)
def _compute(*index):
return out_var(*index), out_accum(*index)
return tvm.compute(var.shape, _compute, name='outputs')
def avg_pool_compute1(x, y, ksize, strides,
padding="VALID", data_format="NHWC",
is_fused_compute=True,
kernel_name="avg_pool"):
"""
describe compute
return: tensor
"""
# create window and stride for pooling2d
if data_format in ("NHWC",):
window = [ksize[1], ksize[2]]
stride = [strides[1], strides[2]]
else:
window = [ksize[2], ksize[3]]
stride = [strides[2], strides[3]]
window = list(window)
stride = list(stride)
# l1 fusion and l2 fusion
l1_fusion_type = x.op.attrs["L1_fusion_type"].value \
if "L1_fusion_type" in x.op.attrs else -1
fusion_params = get_fusion_params(x, y, is_fused_compute)
in_select_read_flag = fusion_params.get("in_select_read_flag")
in_valid_shape = fusion_params.get("in_valid_shape")
in_slice_offset = fusion_params.get("in_slice_offset")
if in_select_read_flag:
select_tensor_in = tvm.compute(in_valid_shape,
lambda n, c1, h, w, c0:
x(n, c1, h + in_slice_offset[2], w, c0),
name="tensor_read_select",
attrs=x.op.attrs)
res = te.lang.cce.pooling2d(select_tensor_in, window, stride, "AVG",
padding, fusion_params=fusion_params)
elif l1_fusion_type == 1:
x.op.attrs["addr_type"].value = 1
in_l1_flag = True
fusion_params["in_l1_flag"] = in_l1_flag
l1_width_fusion_in = tvm.compute(x.shape,
lambda n, c1, h, w, c0:
x(n, c1, h, w, c0),
name="l1_width_fusion_tensor_in",
attrs=x.op.attrs)
res = te.lang.cce.pooling2d(l1_width_fusion_in, window, stride,
"AVG", padding,
fusion_params=fusion_params)
else:
res = te.lang.cce.pooling2d(x, window, stride, "AVG", padding,
fusion_params=fusion_params)
return res
def _reform_by_vadds(input_tensor, input_shape, output_shape, offset_val,
nz_format_flag):
"""
5 dim input tensor C0 change
Parameters
----------
input_tensor : input tensor
input_shape : the shape of input tensor
output_shape :the shape of output tensor
offset_val : the val of offset
nz_format_flag: the format of input tensor
Returns
-------
res tensor
"""
vadds_vector = tvm.compute(output_shape,
_reform_compute_generate(
input_tensor, input_shape, output_shape,
(True, offset_val, -1), nz_format_flag),
name='reform_by_vadds')
return vadds_vector
def write_select_compute(input_tensor, output_x, kernel_name="write_select"):
"""
calculating data
Parameters
----------
input_tensor : TVM tensor
the input tensor
output_x : dict
dict of output_x, include keys(shape and dtype)
kernel_name : str
kernel name, default value is "write_select"
Returns
-------
output tensor
"""
# input_shape = output_x.get("shape")
input_shape = input_tensor.shape
valid_shape = output_x.get("valid_shape")
if len(valid_shape) != PARA_LIST_LEN:
raise RuntimeError("the len of valid shape should be 5")
_, _, h_valid, w_valid, c0_valid = valid_shape
compute_name = "res_write_select" + "_" + str(NAME_INDEX[0])
NAME_INDEX[0] += 1
res = tvm.compute(input_shape,
lambda *indice: input_tensor(*indice),
name=compute_name,
attrs={"HWC0": h_valid * w_valid * c0_valid},
tag=WRITE_SELECT_TAG)
return res
def strided_write_compute(x, y, axis, stride, kernel_name='strided_write'):
"""
write data to tensor by stride.
Parameters:
----------
x: placeholder of input tesnor.
y: dict of output tensor.
axis: which axis to write data by stride.
stride: data write stride.
kernel_name: cce kernel name, default value is "strided_write".
Returns:
----------
output_y: result tensor.
"""
shape_y = tuple(i.value for i in x.shape)
output_y = tvm.compute(shape_y, lambda *indice: x(*indice),
name="strided_write",
attrs={"stride": stride},
tag=STRIDED_WRITE_TAG)
return output_y
def _format_transfer_nz(shape, x, c1_index):
"""
C0 from 16 to 32 for FRACTAL_NZ
"""
trans_shape = shape[:]
trans_shape[c1_index] = trans_shape[c1_index] // 2
trans_shape[-1] = trans_shape[-1] * 2
res = tvm.compute(trans_shape,
_format_compute(x, trans_shape, c1_index),
name='data_transfer',
tag="requant_data_transfer")
res = tvm.compute(trans_shape,
lambda *i: res[i],
name='res',
tag='requant_NZ')
return res
def _muti_output(var_out, m_out, output_data, m_output_data, shape):
"""
this compute is for muti output
Parameters:
----------
var_out: the value of var_out
m_out: the value of m_out
output_data: the dict of output_data
shape: the shape of var
Returns
-------
the new value of out_var and out_m
the output
"""
# this compute is for muti output
def _compute(*index):
return var_out(*index), m_out(*index), output_data(
*index), m_output_data(*index)
out_var, out_m, out_data, m_out_data = tvm.compute(shape,
_compute,
name="outputs")
return out_var, out_m, out_data, m_out_data
def _reform_by_vmuls(input_tensor, input_shape, output_shape, scale_val,
nz_format_flag):
"""
5 dim input tensor C0 change
Parameters
----------
input_tensor : input tensor
input_shape : the shape of input tensor
output_shape :the shape of output tensor
scale_val : the val of scale
nz_format_flag: the format of input tensor
Returns
-------
res tensor
"""
vmuls_vector = tvm.compute(output_shape,
_reform_compute_generate(
input_tensor, input_shape, output_shape,
(False, -1, scale_val), nz_format_flag),
name='reform_by_vmuls')
return vmuls_vector
def strided_read_compute(x, y, axis, stride, kernel_name='strided_read'):
"""
read data from tensor by stride.
Parameters:
----------
x: placeholder of input tesnor.
y: dict of output tensor.
axis: which axis to read data by stride.
stride: data read stride.
kernel_name: cce kernel name, default value is "strided_read".
Returns:
----------
output_y: result tensor.
"""
output_y = tvm.compute(y.get("shape"),
lambda batch_idx, c1_idx, h_idx, w_idx, c0_idx: x[
batch_idx, c1_idx, h_idx, w_idx, c0_idx],
name="strided_read",
tag=STRIDED_READ_TAG,
attrs=x.op.attrs)
return output_y
def custom_equal(shape_x, shape_y, dtype, kernel_name="cce_tf_equal", need_build=False,
need_print=False):
"""
do element-wise equal operation between two input tensors
Parameters:
----------
shape_x : shape of input x
shape_y : shape of input y
dtype : source data type, support float16,float32,int32,int8,uint8
kernel_name : cce kernel name, default value is "cce_tf_equal"
need_buid : if need to build CCEC kernel, default value is False
need_print : if need to print the ir, default value is False
Returns
-------
None
"""
util.check_kernel_name(kernel_name)
util.check_shape_rule(shape_x)
util.check_shape_rule(shape_y)
check_list = ["float16", "float32", "int32", "int8", "uint8", "bool"]
dtype = dtype.lower()
if not (dtype in check_list):
raise RuntimeError(
"tf_equal_cce only support %s while dtype is %s" % (",".join(check_list), dtype))
util.check_shape_size(shape_x, SHAPE_SIZE_LIMIT)
util.check_shape_size(shape_y, SHAPE_SIZE_LIMIT)
shape_x, shape_y, shape_max = util.produce_shapes(shape_x, shape_y)
util.check_shape_size(shape_max, SHAPE_SIZE_LIMIT)
x = tvm.placeholder(shape_x, dtype=dtype, name="x")
y = tvm.placeholder(shape_y, dtype=dtype, name="y")
x_tmp = te.lang.cce.broadcast(x, shape_max)
y_tmp = te.lang.cce.broadcast(y, shape_max)
res = tvm.compute(shape_max, lambda *i: x_tmp(*i) == y_tmp(*i), name='res')
sch = tvm.create_schedule(res.op)
if need_print:
with build_config:
print(tvm.lower(sch, [x, y, res], simple_mode=True))
if need_build:
with build_config:
tvm.build(sch, [x, y, res], "cce", name=kernel_name)
def _vector_depthwise_fused_v100(x, x_shape, align_shape, deq_scale, relu_flag,
sqrt_mode):
"""
dequant for vector in v100
"""
if relu_flag:
res_f16 = tvm.compute(align_shape,
lambda i, j, a, k, l: tvm.relu(
x(i, j // 2, j % 2, k, l).astype("float16") *
deq_scale(0, j, 0, 0, l)),
name='dequant1',
tag="dequant1_vector",
attrs={"relu_flag": 1})
else:
res_f16 = tvm.compute(align_shape,
lambda i, j, a, k, l: x(i, j // 2, j % 2, k, l).
astype("float16") * deq_scale(0, j, a, 0, l),
name='dequant1',
tag="dequant1_vector",
attrs={"relu_flag": 0})
align_shape[3] = x_shape[3].value
if not sqrt_mode:
res = tvm.compute(align_shape,
lambda *indice: res_f16(*indice),
name='dequant_remove_pad',
tag="dequant_remove_pad",
attrs={"sqrt_flag": 0})
else:
res_sqrt = tvm.compute(
align_shape,
lambda i, j, a, k, l:
(res_f16(i, j, a, k, l) * deq_scale(0, j, a, 0, l)),
name='dequant2',
tag='dequant2_vector')
res = tvm.compute(align_shape,
lambda *indice: res_sqrt(*indice),
name='dequant2_remove_pad',
tag="dequant2_remove_pad",
attrs={"sqrt_flag": 1})
return res
def _input_compute_generate(x, in_shape, read_shape, c1_dim, c1_index):
"""
generate lambda func
"""
x_shape = te.lang.cce.util.shape_to_list(x.shape)
dtype = x.dtype
x_slice_offset = _get_input_attr(x, "slice_offset", [], True)
l1_fusion_flag = _get_input_attr(x, "l1_fusion_flag", -1, False)
if not x_slice_offset:
x_slice_offset = [0, 0, 0, 0, 0]
if l1_fusion_flag != -1:
x_w = x_shape[3]
n_offset, _, h_offset, w_offset, _ = x_slice_offset
if c1_dim % 2 == 0:
input_ub = tvm.compute(
in_shape,
lambda n, c1, m, c0: x(n + n_offset, c1, (m // x_w) + h_offset,
(m % x_w) + w_offset, c0),
name="input_ub",
attrs={"c_out": c1_dim})
else:
input_ub = tvm.compute(
read_shape,
lambda n, c1, m, c0: tvm.select(
c1 <= in_shape[c1_index] - 1,
x(n + n_offset, c1, (m // x_w) + h_offset,
(m % x_w) + w_offset, c0), tvm.const(0, dtype=dtype)),
name='input_ub',
attrs={"c_out": c1_dim})
else:
if c1_dim % 2 == 0:
input_ub = tvm.compute(in_shape,
lambda *i: x(*i),
name="input_ub",
attrs={"c_out": c1_dim})
else:
input_ub = tvm.compute(
read_shape,
lambda *indice: tvm.select(
indice[c1_index] <= in_shape[c1_index] - 1, x(*indice),
tvm.const(0, dtype=dtype)),
name='input_ub',
attrs={"c_out": c1_dim})
return input_ub
def _scalar_dequant_v200(x, x_shape, align_shape, deq_scale):
"""
dequant for scale in v200
"""
res_f16 = tvm.compute(
align_shape,
lambda i, j, k, l: tvm.deq_cast(
x(i, j, k, l), deq_scale(0, 0, 0, 0, 0), dtype="float16"),
name='dequant',
tag="dequant_scale")
res = tvm.compute(x_shape,
lambda *indice: res_f16(*indice),
name='dequant_remove_pad',
tag="dequant_remove_pad")
return res
def _compute_m_t(m, beta, grad):
beta_tmp = tvm.compute(m.shape,
lambda *indice: m(*indice) * beta[0],
tag='elewise_single_VS_mul')
beta_na = tvm.compute(
beta.shape,
lambda *indice: beta(*indice) * tvm.const(CONST_ONE_NA, beta.dtype),
tag='elewise_single_VS_mul')
beta_na = tvm.compute(
beta_na.shape,
lambda *indice: beta_na(*indice) + tvm.const(CONST_ONE, beta_na.dtype),
tag='elewise_single_VS_add')
beta_sub_tmp = tvm.compute(grad.shape,
lambda *indice: grad(*indice) * beta_na[0],
tag='elewise_single_VS_mul')
m_t = te.lang.cce.vadd(beta_tmp, beta_sub_tmp)
return m_t
def _assign_sub_compute(data_var, data_value, out, kernel_name='assign_sub'):
"""
assign_sub compute function
Parameters
----------
data_var : tvm.tensor
tensor of var
data_value : tvm.tensor
tensor of value
out : dict
dict of out.
kernel_name : str
cce kernel name, default value is "assign_sub"
Returns
-------
sch : tvm.schedule
the compute schedule
res : tvm.tensor
tensor of result
"""
shape = data_var.shape
shape = [i.value for i in shape]
data_var_ub = tvm.compute(shape,
lambda *i: data_var(*i),
name='data_var_ub')
data_value_ub = tvm.compute(shape,
lambda *i: data_value(*i),
name='data_value_ub')
if data_var.dtype == "int8" or data_var.dtype == "uint8":
data_var_cast = tvm.compute(
shape,
lambda *i: data_var_ub(*i).astype("float16"),
name="data_var_cast")
data_value_cast = tvm.compute(
shape,
lambda *i: data_value_ub(*i).astype("float16"),
name="data_value_cast")
else:
data_var_cast = data_var_ub
data_value_cast = data_value_ub
res_ub = tvm.compute(shape,
lambda *i: data_var_cast(*i) - data_value_cast(*i),
name='res_ub.local.UB')
if data_var.dtype == "int8" or data_var.dtype == "uint8":
res_ub_cast = tvm.compute(shape,
lambda *i: res_ub(*i).astype(data_var.dtype),
name="res_ub_cast")
else:
res_ub_cast = res_ub
res = tvm.compute(shape, lambda *i: res_ub_cast(*i), name='res')
schedule_list = (data_var_ub, data_value_ub, data_var_cast,
data_value_cast, res_ub, res_ub_cast)
sch = _assign_sub_schedule(schedule_list, res, shape, data_var.dtype,
data_var)
return sch, res
def max_pool3d_compute(x,
y,
ksize,
strides,
padding="VALID",
data_format="NDHWC",
kernel_name="max_pool3d"):
"""
describe compute
return: tensor
"""
shape = x.shape
# copy gm to ub
tensor_in_ub = tvm.compute(shape, lambda *i: x[i], name="tensor_in_ub")
# vmax in W
shape_w = (shape[0], shape[1], shape[2], shape[3] // 2, shape[4])
tensor_w = tvm.compute(
shape_w,
lambda n, d, h, w, c: tvm.max(tensor_in_ub[n, d, h, 2 * w, c],
tensor_in_ub[n, d, h, 2 * w + 1, c]),
name='tensor_w')
# vmax in H
shape_h = (shape[0], shape[1], shape[2] // 2, shape[3] // 2, shape[4])
tensor_h = tvm.compute(
shape_h,
lambda n, d, h, w, c: tvm.max(tensor_w[n, d, 2 * h, w, c], tensor_w[
n, d, 2 * h + 1, w, c]),
name='tensor_h')
# vmax in D
shape_d = (shape[0], shape[1] // 2, shape[2] // 2, shape[3] // 2, shape[4])
tensor_d = tvm.compute(
shape_d,
lambda n, d, h, w, c: tvm.max(tensor_h[n, 2 * d, h, w, c], tensor_h[
n, 2 * d + 1, h, w, c]),
name='tensor_d')
# copy ub to gm
res = tvm.compute(shape_d, lambda *i: tensor_d[i], name='res')
return res
def newton_iteration(shape, tensor_x_rec, tensor_x, symbol, tensor_list,
scope_list, operation_list):
"""
the function of newton_iteration
Parameters
----------
shape : tensor shape
tensor_x_rec : tensor
tensor_x : tensor
symbol : tensor symbol
Returns
-------
"""
dtype_c = tensor_x_rec.dtype
const_num_neg_two = tvm.const(-2, dtype=dtype_c)
const_num_neg_one = tvm.const(-1, dtype=dtype_c)
tensor_newton_mul0 = tvm.compute(
shape,
lambda *i: tensor_x_rec(*i) * tensor_x(*i),
name="tensor_newton_mul0_" + symbol)
tensor_list["tensor_newton_mul0_" + symbol] = tensor_newton_mul0
scope_list["tensor_newton_mul0_" + symbol] = cce.scope_ubuf
operation_list["tensor_newton_mul0_" + symbol] = "vector_mul"
tensor_newton_add = tvm.compute(
shape,
lambda *i: tensor_newton_mul0(*i) + const_num_neg_two,
name="tensor_newton_add_" + symbol)
tensor_list["tensor_newton_add_" + symbol] = tensor_newton_add
scope_list["tensor_newton_add_" + symbol] = cce.scope_ubuf
operation_list["tensor_newton_add_" + symbol] = "vector_add"
tensor_newton_mul1 = tvm.compute(
shape,
lambda *i: tensor_newton_add(*i) * tensor_x_rec(*i),
name="tensor_newton_mul1_" + symbol)
tensor_list["tensor_newton_mul1_" + symbol] = tensor_newton_mul1
scope_list["tensor_newton_mul1_" + symbol] = cce.scope_ubuf
operation_list["tensor_newton_mul1_" + symbol] = "vector_mul"
tensor_newton_mul2 = tvm.compute(
shape,
lambda *i: tensor_newton_mul1(*i) * const_num_neg_one,
name="tensor_newton_mul2_" + symbol)
return tensor_newton_mul2
def im2col_fractal_v2(A_im2col_shape, A, config, compute_dtype):
"""
calculate im2col_fractal tensor
Parameters
----------
A_im2col_shape : shape of A_im2col
A : feature map
config: the config of cube
compute_dtype: dtype of compute result
-------
Returns : A_im2col_fractal tensor
"""
def _im2col_fractal_indices(indices, A):
"""
calculate im2col_fractal tvm lambda function
Parameters
----------
indices : indices in lambda function
A : feature map
-------
Returns : im2col_fractal tvm lambda function
"""
block_size = config['mac'][1]
block_size_M = config['mac'][0]
n, hw, c1, kernel_h, kernel_w, c0 = A.shape
batch_size, i1, j1, i0, j0 = indices
n_index = batch_size
hw_index = i1 * block_size_M + i0
c1_index = (((j1 * block_size + j0) // c0.value) //
kernel_w.value) // kernel_h.value
kh_index = (((j1 * block_size + j0) // c0.value) //
kernel_w.value) % kernel_h.value
kw_index = ((j1 * block_size + j0) // c0.value) % kernel_w.value
c0_index = (j1 * block_size + j0) % c0.value
dtype = compute_dtype
return tvm.select(
tvm.any(hw_index < 0, hw_index > hw.value - 1),
tvm.const(0.0, dtype),
A(n_index, hw_index, c1_index, kh_index, kw_index, c0_index))
return tvm.compute(A_im2col_shape,
lambda *indices: _im2col_fractal_indices(indices, A),
name='im2col_fractal',
tag='im2col_fractal')
def custom_logical_not(shape,
dtype,
kernel_name="cce_tf_logical_not",
need_build=False,
need_print=False):
"""
logical not for the input tensor
Parameters
----------
shape : input shape of data
dtype : the data type, support bool
kernel_name : cce kernel name, default value is "cce_logical_not"
need_buid : if need to build CCEC kernel, default value is False
need_print : if need to print the ir, default value is False
Returns
-------
None
"""
util.check_kernel_name(kernel_name)
util.check_shape_rule(shape)
check_list = ["bool"]
if not dtype.lower() in check_list:
raise RuntimeError(
"logical_not_cce ony supports %s while dtype is %s" %
(",".join(check_list), dtype))
util.check_shape_size(shape, SHAPE_SIZE_LIMIT)
inp_dtype = dtype.lower()
data = tvm.placeholder(shape, name="data", dtype=inp_dtype)
with tvm.target.cce():
result = tvm.compute(
shape,
lambda *i: tvm.select(data[i] is True, False, True),
name="result")
schedule = tvm.create_schedule(result.op)
if need_print:
with build_config:
print(tvm.lower(schedule, [data, result], simple_mode=True))
if need_build:
with build_config:
tvm.build(schedule, [data, result], "cce", name=kernel_name)
def _compute_offset(in_tensor, in_shape, out_shape, attr_list, nz_format_flag):
"""
the compute of scale
Parameters
----------
in_tensor : input tensor
in_shape : the shape of input tensor
out_shape :the shape of output tensor
attr_list : the attr list
nz_format_flag: the format of input tensor
Returns
-------
res tensor
"""
offset = attr_list[0]
reform_flag = attr_list[1]
scale = attr_list[2]
if offset != 0 or scale == 1:
offset_value = tvm.const(offset, "float16")
if reform_flag:
offset_ub = _reform_by_vadds(in_tensor, in_shape, out_shape,
offset_value, nz_format_flag)
else:
offset_ub = tvm.compute(
out_shape,
lambda *indice: in_tensor(*indice) + offset_value,
name="offset_ub")
cast_i8_ub = tvm.compute(
out_shape,
lambda *indice: topi.cast(offset_ub(*indice), "int8"),
name='cast_i8_ub')
else:
cast_i8_ub = tvm.compute(
out_shape,
lambda *indice: topi.cast(in_tensor(*indice), "int8"),
name='cast_i8_ub')
return cast_i8_ub
def _s32_to_s8_normal_compute(x, req_scale, align_shape, c1_index, tensor_flag,
relu_flag):
"""
generate s32_to_s8 compute
"""
if tensor_flag:
res_ub = tvm.compute(align_shape,
_deq_cast_compute(x, req_scale, align_shape,
c1_index, tensor_flag,
relu_flag),
name='s32_to_s8',
tag="requant_vector")
else:
res_ub = tvm.compute(align_shape,
_deq_cast_compute(x, req_scale, align_shape,
c1_index, tensor_flag,
relu_flag),
name='s32_to_s8',
tag="requant_scale")
return res_ub
def apply_proximal_gradient_descent_compute(
var,
alpha,
l1,
l2,
delta,
out,
kernel_name="apply_proximal_gradient_descent"):
"""
the operator's compute
prox_v = var - alpha * delta
if l1 > 0 :
var = sign(prox_v)/(1+alpha*l2) * max{|prox_v|-alpha*l1,0}
else:
var = prox_v / (var + l2 * delta)
Parameters:
----------
var: the dict of var, only support float16, float32
alpha: the dict of alpha, only support float16, float32
l1: the dict of l1, only support float16, float32
l2: the dict of l2, only support float16, float32
delta: the dict of delta, only support float16, float32
out: the dict of output, only support float16, float32
Returns
the value of out_var
output_data
"""
dtype = var.dtype
if dtype == "float16":
var = te.lang.cce.cast_to(var, "float32")
alpha = te.lang.cce.cast_to(alpha, "float32")
l1 = te.lang.cce.cast_to(l1, "float32")
l2 = te.lang.cce.cast_to(l2, "float32")
delta = te.lang.cce.cast_to(delta, "float32")
alpha_broad = te.lang.cce.broadcast(alpha, var.shape)
l1_broad = te.lang.cce.broadcast(l1, var.shape)
l2_broad = te.lang.cce.broadcast(l2, var.shape)
var_out = _compute_process(var, alpha_broad, l1_broad, l2_broad, delta)
if dtype == "float16":
var_out = te.lang.cce.cast_to(var_out, "float16")
else:
var_out = te.lang.cce.cast_to(var_out, "float32")
# this compute is for muti output
def _compute(*index):
return var_out(*index), var_out(*index)
return tvm.compute(var.shape, _compute, name="outputs")
