improve fp gemmini critical path

ucb-bar · Oct 22, 2023 · 69456b0 · 69456b0
1 parent 3157503
commit 69456b0
Showing 1 changed file with 4 additions and 1 deletion.
diff --git a/src/main/scala/gemmini/VectorScalarMultiplier.scala b/src/main/scala/gemmini/VectorScalarMultiplier.scala
@@ -198,6 +198,9 @@ object VectorScalarMultiplier {
  ) = {
  assert(!is_acc || is_mvin)
  val vsm = Module(new VectorScalarMultiplier(scale_args, cols, t, tag_t))
- (vsm.io.req, vsm.io.resp)
+ val vsm_in_q = Module(new Queue(chiselTypeOf(vsm.io.req.bits), 2))
+ //val vsm_in_q = Queue(vsm.io.req, 1)
+ vsm.io.req <> vsm_in_q.io.deq
+ (vsm_in_q.io.enq, vsm.io.resp)
  }
 }