add speed test in ci (#5496)

* add speed test in ci

Signed-off-by: daquexian <daquexian566@gmail.com>

* use actions/checkout@v2

Signed-off-by: daquexian <daquexian566@gmail.com>

* add more input size

Signed-off-by: daquexian <daquexian566@gmail.com>

* fix arg order

Signed-off-by: daquexian <daquexian566@gmail.com>

* update test.yml to use oneflow-inc/models master

Signed-off-by: daquexian <daquexian566@gmail.com>

* only clone models repo in cuda_new_interface

Signed-off-by: daquexian <daquexian566@gmail.com>

* update test_speed.sh to check rel speed

Signed-off-by: daquexian <daquexian566@gmail.com>

* update yml and test_speed.sh to post speed stats

Signed-off-by: daquexian <daquexian566@gmail.com>

* escpae newline for github actions

Signed-off-by: daquexian <daquexian566@gmail.com>

* use correct escaping

Signed-off-by: daquexian <daquexian566@gmail.com>

* replace '\n' to \n in js

Signed-off-by: daquexian <daquexian566@gmail.com>

* collapse speed stats

Signed-off-by: daquexian <daquexian566@gmail.com>

* fix comments

Signed-off-by: daquexian <daquexian566@gmail.com>

* set fixed commit and refine msg

Signed-off-by: daquexian <daquexian566@gmail.com>

* test 30 times instead of 20, relax the threshold

Signed-off-by: daquexian <daquexian566@gmail.com>

* update oneflow-models

Signed-off-by: daquexian <daquexian566@gmail.com>

Co-authored-by: oneflow-ci-bot <69100618+oneflow-ci-bot@users.noreply.github.com>