JasonJung
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Hey I found out that in ICC there are several types of blockages.
One of them, I am getting confused between two concepts; soft blockages and buffer allowed only blockages
it seems that soft blkg acts same as hard blockages until coarse placement. However buffer allowed blockages place only buf or inv at that stage.
I know that optimization cell is inserted inside soft blockages while opt stage.
What i am concerned is, when coarse placing the optcells (that were inserted before pnr; it could be synthesis) cannot be placed in side soft blockages!!
Will this matter in qor anyway?
or is there any considerations while selecting blockages between soft and buffer only allowed ?
(any rules of thumbs or something? things kind of when to use what)
One of them, I am getting confused between two concepts; soft blockages and buffer allowed only blockages
it seems that soft blkg acts same as hard blockages until coarse placement. However buffer allowed blockages place only buf or inv at that stage.
I know that optimization cell is inserted inside soft blockages while opt stage.
What i am concerned is, when coarse placing the optcells (that were inserted before pnr; it could be synthesis) cannot be placed in side soft blockages!!
Will this matter in qor anyway?
or is there any considerations while selecting blockages between soft and buffer only allowed ?
(any rules of thumbs or something? things kind of when to use what)