davecheney

dfc@qnap:~/go/test/bench/go1$ ~/go/misc/benchcmp {old,new}.txt
benchmark                 old ns/op    new ns/op    delta
BenchmarkBinaryTree17    2147483647   2147483647   -0.90%
BenchmarkFannkuch11      2147483647   2147483647   -0.09%
BenchmarkGobDecode        181214200    179469200   -0.96%
BenchmarkGobEncode         73388200     72136100   -1.71%
BenchmarkGzip            2147483647   2147483647   +0.97%
BenchmarkGunzip           914986600    914847400   -0.02%
BenchmarkJSONEncode       878786200    870880200   -0.90%
BenchmarkJSONDecode      1999041000   2001263000   +0.11%

davecheney

# uname -a
FreeBSD raspberry-pi 10.0-CURRENT FreeBSD 10.0-CURRENT #0 r243694M: Thu Nov 29 19:52:08 PST 2012     root@bsdbox:/src/FreeBSD/obj/arm.armv6/src/FreeBSD/head/sys/RPI-B  arm
# ~/go/pkg/tool/freebsd_arm/go_bootstrap run ~/src/hellofreebsd.go
Hello, 世界

davecheney

lucky(~/src) % go run panic.go 
throw: all goroutines are asleep - deadlock!
Go runtime version: devel +a32219a715c5 Wed Dec 05 15:26:18 2012 +1100 linux/amd64

goroutine 1 [select (no cases)]:
main.main()
        /home/dfc/src/panic.go:3 +0x18

goroutine 2 [syscall]:
created by runtime.main

davecheney

package main

import (
        "fmt"
        "io"
        "net/http"
        "os"
        "os/signal"
        "runtime/pprof"
        "strconv"

davecheney

* /exp/types/staging: expression and statement type checking.
* 5a, 5l, math: Add support for ABSD, ABSF floating point instructions (thanks Michał Derkacz).
* 5a, 5l: add PLD (preload data) instruction (thanks Shenghou Ma).
* 5a, 6a, 8a: take GOROOT_FINAL into consideration (thanks Shenghou Ma).
* 5c, 6c, 8c: take GOROOT_FINAL into consideration (thanks Shenghou Ma).
* 5l, runtime: remove softfloat emulation code when not used (thanks Shenghou Ma).
* 5l: trivial whitespace cleanup (thanks Robert Hencke).
* 6a, 6l: add PREFETCH instructions.
* 6c, 6g, 6l: add MOVQL to make truncation explicit.
* 6g: delete unnecessary OXXX initialization.

davecheney

bytes: improved bytes.Equal for arm

Backport https://codereview.appspot.com/8056043/ to arm.

Work in progress

test/bench/go1:

benchmark                         old ns/op    new ns/op    delta
BenchmarkBinaryTree17            2147483647   2147483647   -6.77%

davecheney

#!/bin/bash

set -e

eval $(go env)
export GOROOT

pkgs() {
        go list std | grep -v cmd
}

davecheney

lib9
libbio
libmach
misc/pprof
cmd/addr2line
cmd/nm
cmd/objdump
cmd/pack
cmd/prof
cmd/cc

davecheney

package main

import (
        "flag"
        "io"
        "log"
        "net"
        "os"
        "strings"
        "time"

davecheney

// the setup routine runs once when you press reset:
void setup() {                
  pinMode(3, OUTPUT);
  pinMode(11, OUTPUT);
  TCCR2Af = _BV(COM2A0) | _BV(COM2B1) | _BV(WGM21) | _BV(WGM20);
  TCCR2B = _BV(WGM22) | _BV(CS20);
  OCR2A = 1;
  OCR2B = 254;
}