Changeset f03209d3 for benchmark/readyQ/locality.go

Timestamp:

Jan 5, 2021, 5:51:30 PM (3 years ago)

Author:

Thierry Delisle <tdelisle@…>

Branches:

ADT, arm-eh, ast-experimental, enum, forall-pointer-decay, jacob/cs343-translation, master, new-ast-unique-expr, pthread-emulation, qualifiedEnum

Children:

4468a70, 587a608

Parents:

ed1a6374

Message:

Locality benchmark now supports explicit number of spots instead of using nthreads - nprocs

File:

• benchmark/readyQ/locality.go (modified) (3 diffs)

benchmark/readyQ/locality.go

@@ -221 +221 @@
 func main() {
         // Benchmark specific command line arguments
+        nspotsOpt    := flag.Int   ("n", 0    , "Number of spots where threads sleep (nthreads - nspots are active at the same time)")
         work_sizeOpt := flag.Uint64("w", 2    , "Size of the array for each threads, in words (64bit)")
         countOpt     := flag.Uint64("c", 2    , "Number of words to touch when working (random pick, cells can be picked more than once)")
@@ -229 +230 @@
 
         // Eval command line arguments
+        nspots:= *nspotsOpt
         size  := *work_sizeOpt
         cnt   := *countOpt
         share := *shareOpt
+
+        if nspots == 0 { nspots = nthreads - nprocs; }
 
         // Check params
@@ -241 +245 @@
         // Make global data
         barrierStart := make(chan struct{})         // Barrier used at the start
-        threads_left = int64(nprocs)                // Counter for active threads (not 'nthreads' because at all times 'nthreads - nprocs' are blocked)
+        threads_left = int64(nthreads - nspots)                // Counter for active threads (not 'nthreads' because at all times 'nthreads - nprocs' are blocked)
         result  := make(chan Result)                // Channel for results
-        channels := make([]Spot, nthreads - nprocs) // Number of spots
+        channels := make([]Spot, nspots) // Number of spots
         for i := range channels {
                 channels[i] = Spot{[16]uint64{0},uintptr(0), i,[16]uint64{0}}     // init spots