test/garbage: move to test/bench/garbage

(These are benchmarks for the garbage collector, not tests.)

R=golang-dev, adg
CC=golang-dev
https://golang.org/cl/5484070

src/clean.bash

@@ -24,7 +24,7 @@ for i in lib9 libbio libmach cmd pkg \
 	../misc/cgo/life ../misc/cgo/test \
 	../misc/dashboard/builder ../misc/goplay\
 	../doc/codelab/wiki\
-	../test/bench/shootout ../test/garbage
+	../test/bench/shootout ../test/bench/garbage
 do
 	# Do not use gomake here. It may not be available.
 	$MAKE -C "$GOROOT/src/$i" clean

test/bench/garbage/Makefile

@@ -2,7 +2,7 @@
 # Use of this source code is governed by a BSD-style
 # license that can be found in the LICENSE file.
 
-include ../../src/Make.inc
+include ../../../src/Make.inc
 
 ALL=\
 	parser\

test/bench/garbage/peano.go

@@ -12,31 +12,25 @@ import (
 	"time"
 )
 
-
 type Number struct {
 	next *Number
 }
 
-
 // -------------------------------------
 // Peano primitives
 
 func zero() *Number { return nil }
 
-
 func is_zero(x *Number) bool { return x == nil }
 
-
 func add1(x *Number) *Number {
 	e := new(Number)
 	e.next = x
 	return e
 }
 
-
 func sub1(x *Number) *Number { return x.next }
 
-
 func add(x, y *Number) *Number {
 	if is_zero(y) {
 		return x
@@ -45,7 +39,6 @@ func add(x, y *Number) *Number {
 	return add(add1(x), sub1(y))
 }
 
-
 func mul(x, y *Number) *Number {
 	if is_zero(x) || is_zero(y) {
 		return zero()
@@ -54,7 +47,6 @@ func mul(x, y *Number) *Number {
 	return add(mul(x, sub1(y)), x)
 }
 
-
 func fact(n *Number) *Number {
 	if is_zero(n) {
 		return add1(zero())
@@ -63,7 +55,6 @@ func fact(n *Number) *Number {
 	return mul(fact(sub1(n)), n)
 }
 
-
 // -------------------------------------
 // Helpers to generate/count Peano integers
 
@@ -75,7 +66,6 @@ func gen(n int) *Number {
 	return zero()
 }
 
-
 func count(x *Number) int {
 	if is_zero(x) {
 		return 0
@@ -84,7 +74,6 @@ func count(x *Number) int {
 	return count(sub1(x)) + 1
 }
 
-
 func check(x *Number, expected int) {
 	var c = count(x)
 	if c != expected {
@@ -92,7 +81,6 @@ func check(x *Number, expected int) {
 	}
 }
 
-
 // -------------------------------------
 // Test basic functionality
 
@@ -117,7 +105,6 @@ func verify() {
 	check(fact(gen(5)), 120)
 }
 
-
 // -------------------------------------
 // Factorial
 

test/bench/garbage/stats.go

@@ -23,10 +23,11 @@ func gcstats(name string, n int, t int64) {
 	t1, t2, t3, t4, t5 := tukey5(st.PauseNs[0:nn])
 	fmt.Printf("garbage.%sPause5: %d %d %d %d %d\n", name, t1, t2, t3, t4, t5)
 
-//	fmt.Printf("garbage.%sScan: %v\n", name, st.ScanDist)
+	//	fmt.Printf("garbage.%sScan: %v\n", name, st.ScanDist)
 }
 
 type T []uint64
+
 func (t T) Len() int           { return len(t) }
 func (t T) Swap(i, j int)      { t[i], t[j] = t[j], t[i] }
 func (t T) Less(i, j int) bool { return t[i] < t[j] }

test/bench/shootout/timing.sh

@@ -5,7 +5,7 @@
 
 set -e
 
-eval $(gomake --no-print-directory -f ../../src/Make.inc go-env)
+eval $(gomake --no-print-directory -f ../../../src/Make.inc go-env)
 PATH=.:$PATH
 
 havegccgo=false