Evidence of out-of-the-box advantages of ASGI vs. WSGI

Is there any evidence of out-of-the-box advantages to justify migrating from WSGI to ASGI? I want to write async code but first I need to convince my colleagues that the switch would bring value out of the box without modifying our code. Does anyone have pointers to relative performance benchmarks based on unmodified code? Are there other advantages to switching to ASGI that are not performance related?

ASGI will not magically increase your performance with an unmodified application - it’s there to enable you to write other patterns (like parallel queries, aggregation, long polling and similar) that are just not possible to do efficiently with WSGI.