spare sentinel
Why is there no way to specify batch size when scheduling IJobParallelForTransform?
Is it handled automatically? Is it more performant? Why doesn't other job schedule handle this automatically as well?
Is IJobParallelForTransform faster than calculating final position and rotation of the object, and later applying it manually?
What's the advantage over IJobParallel and applying the output final pos/rot manually?
Thanks!
junior walrus
Why is there no way to specify batch size when scheduling IJobParallelForTransfo...
there are no batches
it's single threaded job
it runs on worker thread, but it has to run only on one
thus it's done in one go
and no split on batches
this is probably due to internal structure of transforms which are stored on C++ side of engine and can't be easily resolved in parallel
spare sentinel
it's single threaded job
I see, thanks!
split thunder
it runs on worker thread, but it has to run only on one
No it's not, totally works in parallel over as many threads as you have
junior walrus
🤔
split thunder
As long as you have different root gameobjects
junior walrus
I don't believe it has ScheduleParallel
and in profiler it was always just 1 job
not split through workers
split thunder
It doesn't because it's old and they never updated naming
When they standardized them
split thunder
and in profiler it was always just 1 job
Are all your gameobjects under 1 root
It can only split by root game object
split thunder
If you put all your gameobjects under the same root it'll run only 1 instance
Which is annoying because it's convenient for organisation
spare sentinel
So simply put, is it better for performance to always use IJobParallelForTransform when it will involve get/set transform in the end?
split thunder
it's probably not worth it if you're writing to like 1 transform
spare sentinel
Its used for hundreds of bullets in a bullet hell game.
Need it to be as optimized as possible because it is the main focus of the game. Currently using IJobParallelFor instead.
split thunder
bullets sound like the perfect candidates for entities
but yes if you have 100s then yes you should see benefits from it
spare sentinel
but yes if you have 100s then yes you should see benefits from it
I just realized IJobParallelForTransform doesn't work in my case, because I keep all pooled objects under one parent hierarchy.
And it doesn't split the job across workers
split thunder
well it does all the work in a separate thread