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To: Paul Engel who wrote (78163)4/9/1999 1:06:00 AM
From: Scumbria  Read Replies (2) | Respond to of 186894
 
Paul,

What the heck are you calling a "slot" ?

A predefined dispatch/execute slot. In a VLIW processor, execution units execute freely without regard to activity in other execution units. If there are data dependencies between two instructions, they are not permitted to use certain combinations of execution units. This is not the case in a superscalar processor, which will instead detect and stall dependent instructions.

VLIW is easier to design, and requires less logic in the critical path- but it carries the burden that the software must schedule it's own delays.

Scumbria