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1<?xml version="1.0" encoding="UTF-8"?> 1<?xml version="1.0" encoding="UTF-8"?>
2<!DOCTYPE guide SYSTEM "/dtd/guide.dtd"> 2<!DOCTYPE guide SYSTEM "/dtd/guide.dtd">
3<!-- $Header: /var/cvsroot/gentoo/xml/htdocs/doc/en/gentoo-amd64-faq.xml,v 1.22 2006/10/25 12:54:26 neysx Exp $ --> 3<!-- $Header: /var/cvsroot/gentoo/xml/htdocs/doc/en/gentoo-amd64-faq.xml,v 1.23 2006/10/25 14:03:47 neysx Exp $ -->
4 4
5<guide link="/doc/en/gentoo-amd64-faq.xml"> 5<guide link="/doc/en/gentoo-amd64-faq.xml">
6<title>Gentoo Linux/AMD64 Frequently Asked Questions</title> 6<title>Gentoo Linux/AMD64 Frequently Asked Questions</title>
7 7
8<author title="Editor"> 8<author title="Editor">
51 51
52<ul> 52<ul>
53 <li><uri link="#cflags">What CFLAGS should I use for AMD64/EM64T?</uri></li> 53 <li><uri link="#cflags">What CFLAGS should I use for AMD64/EM64T?</uri></li>
54 <li><uri link="#kernel">What kernel should I use?</uri></li> 54 <li><uri link="#kernel">What kernel should I use?</uri></li>
55 <li> 55 <li>
56 <uri link="#perfup">Will I have a performance upgrade if I use a 64-bit 56 <uri link="#perfup">Will I have a performance upgrade if I use a 64bit
57 system instead of 32-bit?</uri> 57 system instead of 32bit?</uri>
58 </li> 58 </li>
59 <li><uri link="#multilib">What is multilib and how can I use it?</uri></li> 59 <li><uri link="#multilib">What is multilib and how can I use it?</uri></li>
60 <li><uri link="#chroot32">How do I create a 32-bit chroot?</uri></li> 60 <li><uri link="#chroot32">How do I create a 32bit chroot?</uri></li>
61 <li> 61 <li>
62 <uri link="#upgradex86">Can I upgrade from my x86 system to amd64 by doing 62 <uri link="#upgradex86">Can I upgrade from my x86 system to amd64 by doing
63 emerge -e world?</uri> 63 emerge -e world?</uri>
64 </li> 64 </li>
65 <li><uri link="#reiser4">Can I use Reiser4?</uri></li> 65 <li><uri link="#reiser4">Can I use Reiser4?</uri></li>
174</warn> 174</warn>
175 175
176</body> 176</body>
177</section> 177</section>
178<section id="perfup"> 178<section id="perfup">
179<title>Will I have a performance upgrade if I use a 64-bit system instead of 32-bit?</title> 179<title>Will I have a performance upgrade if I use a 64bit system instead of 32bit?</title>
180<body> 180<body>
181 181
182<p> 182<p>
183That is a difficult question to answer. In some cases, you will experience a 183That is a difficult question to answer. In some cases, you will experience a
184performance improvement, in other cases you will not. For everyday use, there 184performance improvement, in other cases you will not. For everyday use, there
185is nearly no difference between 64-bit and 32-bit. 64-bit is generally faster 185is nearly no difference between 64bit and 32bit. 64bit is generally faster
186when it comes to floating point computing which is normally the case in 186when it comes to floating point computing which is normally the case in
187multimedia applications and 3D rendering. This <uri 187multimedia applications and 3D rendering. This <uri
188link="http://enterprise.linux.com/enterprise/05/06/09/1413209.shtml?tid=121">article</uri> 188link="http://enterprise.linux.com/enterprise/05/06/09/1413209.shtml?tid=121">article</uri>
189may interest you. There's also a nice <uri 189may interest you. There's also a nice <uri
190link="http://forums.gentoo.org/viewtopic-t-349691.html">thread</uri> in our 190link="http://forums.gentoo.org/viewtopic-t-349691.html">thread</uri> in our
196<section id="multilib"> 196<section id="multilib">
197<title>What is multilib and how can I use it?</title> 197<title>What is multilib and how can I use it?</title>
198<body> 198<body>
199 199
200<p> 200<p>
201Every AMD64 processor is able to run 32-bit code as well as 64-bit code. 201Every AMD64 processor is able to run 32bit code as well as 64bit code.
202However, when you have a 32-bit application, you are unable to mix it with 202However, when you have a 32bit application, you are unable to mix it with
20364-bit libraries or vice versa. You can, however, natively run 32-bit 20364bit libraries or vice versa. You can, however, natively run 32bit
204applications if all shared libraries it needs are available as 32-bit objects. 204applications if all shared libraries it needs are available as 32bit objects.
205You can choose whether you want multilib support or not by selecting the 205You can choose whether you want multilib support or not by selecting the
206according profile. The default is a multilib-enabled profile. 206according profile. The default is a multilib-enabled profile.
207</p> 207</p>
208 208
209<warn> 209<warn>
212</warn> 212</warn>
213 213
214</body> 214</body>
215</section> 215</section>
216<section id="chroot32"> 216<section id="chroot32">
217<title>How do I create a 32-bit chroot?</title> 217<title>How do I create a 32bit chroot?</title>
218<body> 218<body>
219 219
220<p> 220<p>
221Please read the <uri link="/proj/en/base/amd64/howtos/chroot.xml">32-bit chroot 221Please read the <uri link="/proj/en/base/amd64/howtos/chroot.xml">32bit chroot
222guide</uri>. 222guide</uri>.
223</p> 223</p>
224 224
225</body> 225</body>
226</section> 226</section>
312<section id="flash"> 312<section id="flash">
313<title>Can I get Macromedia Flash working?</title> 313<title>Can I get Macromedia Flash working?</title>
314<body> 314<body>
315 315
316<p> 316<p>
317Yes. To get Flash working, you need a 32-bit browser like 317Yes. To get Flash working, you need a 32bit browser like
318<c>mozilla-firefox-bin</c> or <c>opera</c> because Macromedia doesn't provide a 318<c>mozilla-firefox-bin</c> or <c>opera</c> because Macromedia doesn't provide a
31964-bit version. After emerging the -bin package of your favorite browser, 31964bit version. After emerging the -bin package of your favorite browser,
320install Flash by doing <c>emerge netscape-flash</c>. 320install Flash by doing <c>emerge netscape-flash</c>.
321</p> 321</p>
322 322
323</body> 323</body>
324</section> 324</section>
325<section id="OOo"> 325<section id="OOo">
326<title>Can I get OpenOffice.org working?</title> 326<title>Can I get OpenOffice.org working?</title>
327<body> 327<body>
328 328
329<p> 329<p>
330OpenOffice versions prior to 2.0.4 do not build on 64-bit systems, so you have to use the 330OpenOffice versions prior to 2.0.4 do not build on 64bit systems, so you have to use the
33132-bit binary version, available in Portage as <c>app-office/openoffice-bin</c>. 33132bit binary version, available in Portage as <c>app-office/openoffice-bin</c>.
332If you feel brave you can <c>emerge openoffice</c>, but be aware that the 64-bit version 332If you feel brave you can <c>emerge openoffice</c>, but be aware that the 64bit version
333is not yet tested out enough to be considered stable. 333is not yet tested out enough to be considered stable.
334</p> 334</p>
335 335
336</body> 336</body>
337</section> 337</section>

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