Update parallelism.mdx (#15013)
Update parallelism.mdx (#15013)

* Update parallelism.mdx

* Update parallelism.mdx

* Update parallelism.mdx

* Update parallelism.mdx

* Update parallelism.mdx

* Update parallelism.mdx

* Update parallelism.mdx

* Update parallelism.mdx
huggingface/transformers,huggingface/transformers,huggingface/transformers,huggingface/transformers