From: ron minnich <rminnich@gmail.com>
To: Fans of the OS Plan 9 from Bell Labs <9fans@9fans.net>
Subject: [9fans] Fwd: plan9 go output faults on 9vx with rfork
Date: Wed, 19 Jan 2011 07:52:41 -0800 [thread overview]
Message-ID: <AANLkTimjMXA0riWGe=MiMxadrCyi-sTNp802w24Yc=Nj@mail.gmail.com> (raw)
In-Reply-To: <AANLkTikUa1KF+8NP54BHicus++YbeZbD48E7z=1H0Y5V@mail.gmail.com>
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Pavel sent me sieve, and it is up to 11083 on my 9vx on darwin. I
declare go on 9vx on darwin fixed.
Linux is next.
ron
[-- Attachment #2: sieve --]
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[-- Attachment #3: sieve.go --]
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// $G $F.go && $L $F.$A # don't run it - goes forever
// Copyright 2009 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package main
import "runtime"
// Send the sequence 2, 3, 4, ... to channel 'ch'.
func Generate(ch chan<- int) {
for i := 2; ; i++ {
ch <- i // Send 'i' to channel 'ch'.
}
}
// Copy the values from channel 'in' to channel 'out',
// removing those divisible by 'prime'.
func Filter(in <-chan int, out chan<- int, prime int) {
for {
i := <-in // Receive value of new variable 'i' from 'in'.
if i%prime != 0 {
out <- i // Send 'i' to channel 'out'.
}
}
}
// The prime sieve: Daisy-chain Filter processes together.
func Sieve() {
ch := make(chan int) // Create a new channel.
go Generate(ch) // Start Generate() as a subprocess.
for {
prime := <-ch
print(prime, "\n")
ch1 := make(chan int)
go Filter(ch, ch1, prime)
ch = ch1
}
}
func main() {
runtime.GOMAXPROCS(4)
Sieve()
}
next parent reply other threads:[~2011-01-19 15:52 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <AANLkTikJ3y5exFtTic+8dhUsUqeZBDmR=S-8VzKDK0GH@mail.gmail.com>
[not found] ` <AANLkTink4CrELJfGf3W15caSYX8Se5ygsm_WeMRdCBz=@mail.gmail.com>
[not found] ` <AANLkTikUa1KF+8NP54BHicus++YbeZbD48E7z=1H0Y5V@mail.gmail.com>
2011-01-19 15:52 ` ron minnich [this message]
[not found] <AANLkTinx9AiBN4=7knPEK8sKuuCUe+mhhNaP-yZzqVSS@mail.gmail.com>
[not found] ` <AANLkTikf4cgk7hab5rLLFWyv-c-0XU6WPJW0Ahm4JehM@mail.gmail.com>
[not found] ` <AANLkTi=PdAFFDw=ps6DcR38xno_mNb8eGZRJGxL0VpQC@mail.gmail.com>
[not found] ` <AANLkTinDengSNpD6pEg_cF6xivxc3qU3=tQFW7Wyo769@mail.gmail.com>
[not found] ` <AANLkTiky+x0gBcr84_p0Mf9HKqGVoTFcyNrdofEMS9_a@mail.gmail.com>
2011-01-19 2:37 ` ron minnich
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