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fix cost

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Donggyu Kim
2017-07-21 00:17:08 -07:00
committed by edwardcwang
parent 02fef8e2c3
commit 2fd928fbe0
1 changed files with 2 additions and 2 deletions
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4
tapeout/src/main/scala/transforms/macros/MacroCompiler.scala
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@@ -298,8 +298,8 @@ class MacroCompilerPass(mems: Option[Seq[Macro]],
// val cost = 100 * (mem.depth * mem.width) / (lib.depth * lib.width) + // val cost = 100 * (mem.depth * mem.width) / (lib.depth * lib.width) +
// (mem.depth * mem.width) // (mem.depth * mem.width)
// Donggyu: I re-define cost // Donggyu: I re-define cost
val cost = max(1, mem.depth / lib.depth) * val cost = (((mem.depth - 1) / lib.depth) + 1) *
max(1, mem.width / lib.width) * (((mem.width - 1) / lib.width) + 1) *
(lib.depth * lib.width + 1) // weights on # cells (lib.depth * lib.width + 1) // weights on # cells
System.err println s"Cost of ${lib.name} for ${mem.name}: ${cost}" System.err println s"Cost of ${lib.name} for ${mem.name}: ${cost}"
if (cost > area) (best, area) if (cost > area) (best, area)