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[smlnj] View of /sml/branches/idlbasis-devel/src/MLRISC/control/mlrisc-timing.sml
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View of /sml/branches/idlbasis-devel/src/MLRISC/control/mlrisc-timing.sml

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Revision 1233 - (download) (annotate)
Wed Jun 5 21:47:29 2002 UTC (17 years, 7 months ago) by blume
File size: 719 byte(s)
made more stuff compile; now stuck in MLRISC-related library code
(* mlrisc-timing.sml
 *
 * COPYRIGHT (c) 2002 Bell Labs, Lucent Technologies
 *)

signature MLRISC_TIMING =
sig

    val timePhase : string -> ('a -> 'b) -> 'a -> 'b
end

structure MLRiscTiming : MLRISC_TIMING =
struct

   fun timePhase name f =
   let val timing = MLRiscControl.timing name
       val { usr, sys } = !timing
       fun run x = 
       let val timer = Timer.startCPUTimer()
           fun update timer = 
           let val {usr=usr',sys=sys'} = Timer.checkCPUTimer timer
           in  timing := {usr=Time.+(usr,usr'),
                          sys=Time.+(sys,sys')}
           end
           val y = f x handle e => (update timer; raise e)
       in  update timer; y
       end
   in  run end
  
end

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