X-Recipient:	archive-cygwin AT delorie DOT com
DomainKey-Signature:	a=rsa-sha1; c=nofws; d=sourceware.org; h=list-id
	:list-unsubscribe:list-subscribe:list-archive:list-post
	:list-help:sender:to:from:subject:message-id:date:mime-version
	:content-type:content-transfer-encoding; q=dns; s=default; b=HHX
	H3QMK0/cMuYxM2qu60CNk/J5yjj9zKW/vRJ+3xPnhN4jJoosn0cpmEmLDhEKYSbs
	zgelysVK2LYS4ZFxYBVPZzkwW7atl8GoogVSokto/6Xidpd9UkDtxvtf7No6z0gT
	rh2Rzf2iWWvurphYof4ohARQWW57PHX8oqpclRKs=
DKIM-Signature:	v=1; a=rsa-sha1; c=relaxed; d=sourceware.org; h=list-id
	:list-unsubscribe:list-subscribe:list-archive:list-post
	:list-help:sender:to:from:subject:message-id:date:mime-version
	:content-type:content-transfer-encoding; s=default; bh=RLX+GtDLX
	kFmQa5KlZMVq+mv7+M=; b=fOjT2myVLklFBs26lb3BD29yHiuBMMl9jxzYyr3gz
	R+x6UeJVntsuJAAEPD5tj1NvZVTEAr50IB/cjrfx+2AbDi30zD68aFvyNqdwUrRQ
	yyKupTN7ASgRPyAogdxOO2m1zzpROg9tDFijRAkLuEB5hBHluESB8bLtogWl2STf
	cc=
Mailing-List:	contact cygwin-help AT cygwin DOT com; run by ezmlm
List-Id:	<cygwin.cygwin.com>
List-Subscribe:	<mailto:cygwin-subscribe AT cygwin DOT com>
List-Archive:	<http://sourceware.org/ml/cygwin/>
List-Post:	<mailto:cygwin AT cygwin DOT com>
List-Help:	<mailto:cygwin-help AT cygwin DOT com>, <http://sourceware.org/ml/#faqs>
Sender:	cygwin-owner AT cygwin DOT com
Mail-Followup-To:	cygwin AT cygwin DOT com
Delivered-To:	mailing list cygwin AT cygwin DOT com
Authentication-Results:	sourceware.org; auth=none
X-Virus-Found:	No
X-Spam-SWARE-Status:	No, score=0.4 required=5.0 tests=AWL,BAYES_05,FREEMAIL_FROM,KAM_COUK,RCVD_IN_DNSWL_NONE,RP_MATCHES_RCVD,SPF_PASS autolearn=no version=3.3.2 spammy=H*MI:tiscali, H*M:tiscali, H*Ad:D*co.uk, UD:co.uk
X-HELO:	smtp-d-5.tiscali.co.uk
To:	cygwin AT cygwin DOT com
From:	David Stacey <drstacey AT tiscali DOT co DOT uk>
Subject:	xz-5.2.2: No threaded compression
Message-ID:	<550c836a-b321-b8e4-6fb6-b2e3751f6da1@tiscali.co.uk>
Date:	Wed, 10 May 2017 00:02:28 +0100
User-Agent:	Mozilla/5.0 (Windows NT 6.1; WOW64; rv:52.0) Gecko/20100101 Thunderbird/52.1.0
MIME-Version:	1.0
X-CMAE-Envelope:	MS4wfP8l99gNslpRg0CQvrk0EEUvKfe1pN4AYtK+N0IWu5pN+3hL3WCy3ISqKKxJWD6s4S2Uq4z/U3zK0sWu0gI9y+J1wiLTffFdoIGWogN+Aiqyr82yJCRQ R3FoadW5GLNkj2P/1zMhnSQAMz58LG3guMZXpAc1ifgtnx8G4GvVZnYm
X-IsSubscribed:	yes

The man page for xz suggests that threaded compression ought to be 
available. However, when I run 'xz --threads=0 <file>' only one CPU core 
is used. Is there a way that I can run parallel xz compression in Cygwin?

Dave.


--
Problem reports:       http://cygwin.com/problems.html
FAQ:                   http://cygwin.com/faq/
Documentation:         http://cygwin.com/docs.html
Unsubscribe info:      http://cygwin.com/ml/#unsubscribe-simple

- Raw text -