update diffusers conversion script; (#213)

Signed-off-by: lawrence-cj <[email protected]>

update inference scaling results table;

Signed-off-by: lawrence-cj <[email protected]>
(cherry picked from commit 3724540327a0575cac928f3a007d115bcab8e1a6)

update README (#195)

* update images

Signed-off-by: lawrence-cj <[email protected]>

hide previous updates with a clipper;

Signed-off-by: lawrence-cj <[email protected]>

* update README.md;

Signed-off-by: lawrence-cj <[email protected]>

---------

Signed-off-by: lawrence-cj <[email protected]>
Co-authored-by: Enze Xie <[email protected]>