riscv/rocket-chip
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Reduce default BTB size

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The old value 62 seems to have been a typo introduced over 2 years ago
in commit 63bd0b9d2a.  The intent was to
fit the dhrystone working set (rofl) which the new value of 40 does.
This commit is contained in:
Andrew Waterman 2016-09-07 01:51:27 -07:00
parent 9fea4c83da
commit a7f47f3c23
1 changed files with 1 additions and 1 deletions
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2
src/main/scala/rocket/btb.scala
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@ -11,7 +11,7 @@ import uncore.util._
case object BtbKey extends Field[BtbParameters] case object BtbKey extends Field[BtbParameters]
case class BtbParameters( case class BtbParameters(
nEntries: Int = 62, nEntries: Int = 40,
nRAS: Int = 2, nRAS: Int = 2,
updatesOutOfOrder: Boolean = false) updatesOutOfOrder: Boolean = false)