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

# 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

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

                        d.output[d.o] = uint8(code)
   42ed4:       e1a00806        lsl     r0, r6, #16
   42ed8:       e1a00820        lsr     r0, r0, #16
   42edc:       e20010ff        and     r1, r0, #255    ; 0xff
   42ee0:       e20150ff        and     r5, r1, #255    ; 0xff
   42ee4:       e5941000        ldr     r1, [r4]
   42ee8:       e59fb8c0        ldr     fp, [pc, #2240] ; 437b0 <compress/lzw.(*decoder).decode+0xa00>
   42eec:       e794300b        ldr     r3, [r4, fp]
   42ef0:       e5941000        ldr     r1, [r4]
   42ef4:       e5942000        ldr     r2, [r4]

davecheney

--- prog list "addr" ---
0000 (/home/dfc/src/addr.go:5) TEXT     addr+0(SB),$0-16
0001 (/home/dfc/src/addr.go:6) MOVW     $s+0(FP),R0
0002 (/home/dfc/src/addr.go:6) MOVW     4(R0),R1
0003 (/home/dfc/src/addr.go:6) CMP      $2,R1,
0004 (/home/dfc/src/addr.go:6) BHI      ,6(APC)
0005 (/home/dfc/src/addr.go:6) BL       ,runtime.panicindex+0(SB)
0006 (/home/dfc/src/addr.go:6) MOVW     0(R0),R0
0007 (/home/dfc/src/addr.go:6) ADD      $8,R0
0008 (/home/dfc/src/addr.go:6) MOVW     R0,.noname+12(FP)

davecheney

#!/bin/bash

go test -c
PKG=$(basename $(pwd))
set -e

while true ; do
        export GOMAXPROCS=$[ 1 + $[ RANDOM % 128 ]]
        ./$PKG.test $@ 2>&1
done

davecheney

package main

import (
        "github.com/howeyc/fsnotify"
        "log"
)

func main() {
        watcher, err := fsnotify.NewWatcher()
        if err != nil {

davecheney

package main
/*
enum Const {
        ZERO,
        ONE,
};
*/
import "C"
import "fmt"

davecheney

diff -r d2213960ade2 src/cmd/5l/asm.c
--- a/src/cmd/5l/asm.c	Sat Jul 14 15:59:52 2012 +0400
+++ b/src/cmd/5l/asm.c	Sun Jul 15 19:45:39 2012 +1000
@@ -33,6 +33,7 @@
 #include	"l.h"
 #include	"../ld/lib.h"
 #include	"../ld/elf.h"
+#include	"../ld/dwarf.h"
 
 static Prog *PP;

davecheney

package main

import (
        "log"
        "time"
)

const TODO = 20000000

type Ob struct {