ISTIO_BASE_REGISTRY ?= gcr.io/istio-release

export GO111MODULE ?= on
export GOPROXY ?= https://proxy.golang.org
export GOSUMDB ?= sum.golang.org

# If GOPATH is not set by the env, set it to a sane value
GOPATH ?= $(shell cd ${ISTIO_GO}/../../..; pwd)
export GOPATH

# If GOPATH is made up of several paths, use the first one for our targets in this Makefile
GO_TOP := $(shell echo ${GOPATH} | cut -d ':' -f1)

        as `tf.tpu.experimental.embedding.serving_embedding_lookup` which can
        take arbitrary rank of dense and sparse tensor. For ragged tensor,
        though the input tensor remains to be rank 2, the activations now can be
        rank 2 or above by specifying the output shape in the feature config or
        via the build method.

*   Add