{"id":1701,"date":"2022-02-04T02:29:25","date_gmt":"2022-02-04T02:29:25","guid":{"rendered":"https:\/\/picockpit.com\/raspberry-pi\/?p=1701"},"modified":"2023-08-29T12:09:22","modified_gmt":"2023-08-29T12:09:22","slug":"your-64-bit-raspberry-pi-os-questions-answered","status":"publish","type":"post","link":"https:\/\/picockpit.com\/raspberry-pi\/it\/il-tuo-64-bit-raspberry-pi-os-domande-risposte\/","title":{"rendered":"Le risposte alle tue domande su Raspberry Pi OS a 64 bit"},"content":{"rendered":"<p>\u00c8 ufficiale.<\/p>\n\n\n\n<p>Il sistema operativo Raspberry Pi ha rilasciato ufficialmente la sua versione a 64 bit dopo una lunga fase di beta ed ecco come si presenta:<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"alignleft size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1000\" height=\"562\" src=\"https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2022\/02\/raspberry-pi-os-64-desktop-1000px.jpg\" alt=\"raspberry pi os 64 desktop 1000px\" class=\"wp-image-1708\" srcset=\"https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2022\/02\/raspberry-pi-os-64-desktop-1000px.jpg 1000w, https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2022\/02\/raspberry-pi-os-64-desktop-1000px-300x169.jpg 300w, https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2022\/02\/raspberry-pi-os-64-desktop-1000px-768x432.jpg 768w, https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2022\/02\/raspberry-pi-os-64-desktop-1000px-18x10.jpg 18w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/><figcaption class=\"wp-element-caption\">Raspberry Pi OS 64-bit. Sembra esattamente come la versione a 32 bit.<\/figcaption><\/figure>\n<\/div>\n\n\n<p>Sembra 100% lo stesso della versione a 32 bit. Ma sotto il cofano ci sono alcune cose di cui bisogna essere consapevoli. <\/p>\n\n\n\n\n\n<h2 class=\"wp-block-heading\" id=\"raspberry-pi-choose-32-or-64-bit\">Raspberry Pi: scegliere 32 o 64 bit?<\/h2>\n\n\n\n<p>Il computer che stai usando come workstation principale \u00e8 molto probabilmente a 64 bit.<\/p>\n\n\n\n<p>Il mio lo \u00e8 certamente.<\/p>\n\n\n\n<p>Quindi, se la maggior parte dei computer gira su 64 bit, la conclusione logica sarebbe che 64 bit \u00e8 meglio di 32 bit, giusto?<\/p>\n\n\n\n<p>Lasciatemi solo sottolineare ci\u00f2 che dice Raspberry Pi nel loro articolo sul nuovo sistema operativo, \"Fateci sapere nei commenti se <strong>il tuo caso d'uso beneficia (o soffre!)<\/strong> dal passaggio a 64-bit\".<\/p>\n\n\n\n<p>Quindi s\u00ec, si pu\u00f2 beneficiare o soffrire dell'uso del nuovo Raspberry Pi OS 64 bit.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"benefits-of-the-new-raspberry-pi-os-64-bit\">Vantaggi del nuovo Raspberry Pi OS 64-bit<\/h3>\n\n\n\n<p><strong>Libera il pieno potenziale dei nuovi Pis (teoricamente)<\/strong><\/p>\n\n\n\n<p>Nella mia auto precedente, c'era un limitatore di velocit\u00e0 che la regolava a circa 210km\/h.<\/p>\n\n\n\n<p>Forse il motore pu\u00f2 fare di pi\u00f9, ma il limitatore di velocit\u00e0 non lo permette.<\/p>\n\n\n\n<p>Cos\u00ec, per molti anni, i pi\u00f9 recenti Raspberry Pis hanno avuto un processore molto pi\u00f9 potente che girava in un ambiente a prestazioni limitate che \u00e8 a 32 bit.<\/p>\n\n\n\n<p>La ragione principale \u00e8 pratica: un sistema operativo a 32 bit verrebbe eseguito su tutti i loro dispositivi, mentre un sistema operativo a 64 bit richiederebbe loro di mantenere due sistemi operativi e potrebbe causare confusione nei clienti.<\/p>\n\n\n\n<p>Quindi, il 64-bit scatener\u00e0 assolutamente la bestia, giusto?<\/p>\n\n\n\n<p>Teoricamente, si dovrebbe vedere un aumento delle prestazioni semplicemente passando a un ambiente a 64 bit, e i benefici sono davvero per il Raspberry Pi 4 da 8 GB. <\/p>\n\n\n\n<p>In precedenza, il sistema operativo Raspberry Pi utilizzava l'ARM Large Physical Address Extension per accedere fino a 8GB di memoria, che aveva il limite di assegnare ad ogni processo un massimo di 3GB. Con il nuovo OS a 64 bit, un singolo processo pu\u00f2 occupare tutti gli 8GB. <\/p>\n\n\n\n<p>I veri benefici saranno per gli utenti che usano i loro Raspberry Pis come server, host Docker o Kubernetes e altri usi ad alta intensit\u00e0 come la codifica video.<\/p>\n\n\n\n<p>Forse dovremmo anche notare che la beta del Raspberry Pi OS a 64 bit \u00e8 uscita contemporaneamente al rilascio del Pi 4 da 8GB (maggio 2020).<\/p>\n\n\n\n<p>Allora perch\u00e9 dico che questi benefici sono solo \"teorici\"? Beh, si tratta semplicemente degli altri colli di bottiglia. <\/p>\n\n\n\n<p>Se il programma che usate spesso non ha una versione a 64 bit, allora vedrete pochi benefici perch\u00e9 dovrete ancora usare la versione a 32 bit (per esempio, se volete usare Chromium per lo streaming di Netflix o altri contenuti DRM).<\/p>\n\n\n\n<p>Ho anche testato un Raspberry Pi Zero 2 con il sistema operativo a 32 e 64 bit e i tempi di caricamento per PiCockpit.com non sono cambiati.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"what-do-the-32-bit-vs-64-bit-raspberry-pi-benchmarks-say\">Cosa dicono i benchmark del Raspberry Pi a 32-bit e 64-bit?<\/h3>\n\n\n\n<p>A <a href=\"https:\/\/openbenchmarking.org\/result\/2202058-NE-RASPBERRY79&amp;sgm=1\" rel=\"nofollow\">studio di riferimento<\/a> ha dimostrato che il Raspberry Pi OS 64-bit \u00e8 pi\u00f9 veloce del 32-bit in tutti i test tranne uno.<\/p>\n\n\n\n<p>Michael Larabel ha testato questo su un Raspberry Pi 400 da 4GB e i suoi risultati mostrano che nella manipolazione grafica, AI, codifica audio, stress-ng, compressione e molti altri test, il sistema operativo a 64 bit si \u00e8 dimostrato prepotentemente migliore.<\/p>\n\n\n\n<p>La sua conclusione \u00e8 che vedrete una media di 48% di miglioramento delle prestazioni semplicemente facendo la stessa cosa sul sistema operativo a 64 bit.<\/p>\n\n\n\n<p><strong>Eseguire programmi a 64 bit<\/strong><\/p>\n\n\n\n<p>Un altro vantaggio di usare un sistema operativo a 64 bit sul Raspberry Pi sarebbe quello di eseguire programmi che non sareste in grado di eseguire sull'equivalente a 32 bit. Per esempio, alcuni programmi closed-source sono disponibili solo per arm64 e anche il software che funziona su armhf non \u00e8 necessariamente ottimizzato per esso.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"downsides-of-using-the-64-bit-raspberry-pi-os\">Aspetti negativi dell'utilizzo del sistema operativo Raspberry Pi a 64 bit<\/h3>\n\n\n\n<p><strong>Supporto limitato in tutta la gamma Pi<\/strong><\/p>\n\n\n\n<p>Una delle cose migliori dell'uso di un Raspberry Pi \u00e8 che si pu\u00f2 prendere una scheda SD (con un Raspberry Pi OS installato) da un Pi e metterla in un altro. Tutto funzioner\u00e0 bene. <\/p>\n\n\n\n<p>Ora, con il Raspberry Pi a 64 bit, non sarete in grado di fare questo scambio di schede SD sui vecchi Pis (1, 2 e Zero). Quindi questo \u00e8 un aspetto negativo immediato. Un esempio in cui questo sarebbe un aspetto negativo riguarda lo Zero. In passato, si poteva semplicemente fare il set up, la programmazione e quant'altro sul Pi 4 e poi trasferirlo sullo Zero. Ma se usi un sistema operativo a 64 bit sulla Pi 4, allora non puoi usare quella scheda SD sulla Zero (ma puoi sulla Zero 2 W).<\/p>\n\n\n\n<p><strong>Non \"testato in battaglia\" (cio\u00e8 potrebbe essere buggato)<\/strong><\/p>\n\n\n\n<p>Il nuovo Raspberry Pi OS 64-bit non ha la stessa quantit\u00e0 di tempo di test della sua controparte a 32-bit, quindi ci vorr\u00e0 un po' di tempo prima che arrivi a quello stadio.<\/p>\n\n\n\n<p>Ci si pu\u00f2 aspettare alcuni bug che non esistono sul 32 bit, e alcuni di essi rimarranno irrisolti fino al momento in cui la base di utenti li raggiunger\u00e0. In altre parole, una correzione che funziona sul sistema operativo a 32 bit potrebbe non funzionare su quello a 64 bit.<\/p>\n\n\n\n<p>Il caso in questione \u00e8 Chromium. S\u00ec, c'\u00e8 una versione a 64 bit di Chromium ma non \u00e8 possibile riprodurre media in streaming come Netflix o Disney+ perch\u00e9 non ha la libreria WidevineCDM (per la protezione DRM). Se questo \u00e8 il vostro caso d'uso, Raspberry Pi raccomanda di installare la versione a 32 bit all'interno del Terminale utilizzando questo comando:<\/p>\n\n\n\n<div class=\"wp-block-kevinbatdorf-code-block-pro\" data-code-block-pro-font-family=\"Code-Pro-JetBrains-Mono\" style=\"font-size:.875rem;font-family:Code-Pro-JetBrains-Mono,ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;line-height:1.25rem\"><span style=\"display:block;padding:16px 0 0 16px;margin-bottom:-1px;width:100%;text-align:left;background-color:#2e3440ff\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"54\" height=\"14\" viewbox=\"0 0 54 14\"><g fill=\"none\" fill-rule=\"evenodd\" transform=\"translate(1 1)\"><circle cx=\"6\" cy=\"6\" r=\"6\" fill=\"#FF5F56\" stroke=\"#E0443E\" stroke-width=\".5\"><\/circle><circle cx=\"26\" cy=\"6\" r=\"6\" fill=\"#FFBD2E\" stroke=\"#DEA123\" stroke-width=\".5\"><\/circle><circle cx=\"46\" cy=\"6\" r=\"6\" fill=\"#27C93F\" stroke=\"#1AAB29\" stroke-width=\".5\"><\/circle><\/g><\/svg><\/span><span role=\"button\" tabindex=\"0\" data-code=\"sudo apt install chromium-browser:armhf libwidevinecdm0\" style=\"color:#d8dee9ff;display:none\" aria-label=\"Copia\" class=\"code-block-pro-copy-button\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" style=\"width:24px;height:24px\" fill=\"none\" viewbox=\"0 0 24 24\" stroke=\"currentColor\" stroke-width=\"2\"><path class=\"with-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2m-6 9l2 2 4-4\"><\/path><path class=\"without-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2\"><\/path><\/svg><\/span><pre class=\"shiki nord\" style=\"background-color: #2e3440ff\" tabindex=\"0\"><code data-no-translation=\"\"><span class=\"line\"><span style=\"color: #D8DEE9\">sudo<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #D8DEE9\">apt<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #D8DEE9\">install<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #D8DEE9\">chromium<\/span><span style=\"color: #81A1C1\">-<\/span><span style=\"color: #D8DEE9FF\">browser<\/span><span style=\"color: #ECEFF4\">:<\/span><span style=\"color: #D8DEE9\">armhf<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #D8DEE9\">libwidevinecdm0<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n<p>Per tornare alla versione a 64 bit, usate questo:<\/p>\n\n\n\n<div class=\"wp-block-kevinbatdorf-code-block-pro\" data-code-block-pro-font-family=\"Code-Pro-JetBrains-Mono\" style=\"font-size:.875rem;font-family:Code-Pro-JetBrains-Mono,ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;line-height:1.25rem\"><span style=\"display:block;padding:16px 0 0 16px;margin-bottom:-1px;width:100%;text-align:left;background-color:#2e3440ff\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"54\" height=\"14\" viewbox=\"0 0 54 14\"><g fill=\"none\" fill-rule=\"evenodd\" transform=\"translate(1 1)\"><circle cx=\"6\" cy=\"6\" r=\"6\" fill=\"#FF5F56\" stroke=\"#E0443E\" stroke-width=\".5\"><\/circle><circle cx=\"26\" cy=\"6\" r=\"6\" fill=\"#FFBD2E\" stroke=\"#DEA123\" stroke-width=\".5\"><\/circle><circle cx=\"46\" cy=\"6\" r=\"6\" fill=\"#27C93F\" stroke=\"#1AAB29\" stroke-width=\".5\"><\/circle><\/g><\/svg><\/span><span role=\"button\" tabindex=\"0\" data-code=\"sudo apt install chromium-browser:arm64 libwidevinecdm0-\" style=\"color:#d8dee9ff;display:none\" aria-label=\"Copia\" class=\"code-block-pro-copy-button\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" style=\"width:24px;height:24px\" fill=\"none\" viewbox=\"0 0 24 24\" stroke=\"currentColor\" stroke-width=\"2\"><path class=\"with-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2m-6 9l2 2 4-4\"><\/path><path class=\"without-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2\"><\/path><\/svg><\/span><pre class=\"shiki nord\" style=\"background-color: #2e3440ff\" tabindex=\"0\"><code data-no-translation=\"\"><span class=\"line\"><span style=\"color: #D8DEE9\">sudo<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #D8DEE9\">apt<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #D8DEE9\">install<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #D8DEE9\">chromium<\/span><span style=\"color: #81A1C1\">-<\/span><span style=\"color: #D8DEE9FF\">browser<\/span><span style=\"color: #ECEFF4\">:<\/span><span style=\"color: #D8DEE9\">arm64<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #D8DEE9\">libwidevinecdm0<\/span><span style=\"color: #81A1C1\">-<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"how-to-install-raspberry-pi-os-64-bit\">Come installare Raspberry Pi OS 64 bit?<\/h2>\n\n\n\n<p>Questo passo vi mostrer\u00e0 come aggiornare il vostro Raspberry Pi al nuovo Raspberry Pi OS a 64 bit.<\/p>\n\n\n\n<p>Prima di tutto, dovete usare una delle schede compatibili:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/buyzero.de\/collections\/raspberry-pi\/products\/raspberry-pi-3b-plus\">3B, 3B+, 3A+<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/buyzero.de\/products\/raspberry-pi-4-model-b-8gb\">4<\/a>, <a href=\"https:\/\/buyzero.de\/collections\/raspberry-pi\/products\/raspberry-pi-400\">400<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/buyzero.de\/products\/compute-module-4-cm4\">CM3, CM3+, CM4<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/buyzero.de\/products\/raspberry-pi-zero-2-w\">Zero 2 W<\/a><\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"559\" src=\"https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2022\/02\/image-1024x559.png\" alt=\"\" class=\"wp-image-1702\" srcset=\"https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2022\/02\/image-1024x559.png 1024w, https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2022\/02\/image-300x164.png 300w, https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2022\/02\/image-768x419.png 768w, https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2022\/02\/image-18x10.png 18w, https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2022\/02\/image.png 1255w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">Potete scaricare il Raspberry Pi OS 64 bit dal sito ufficiale.<\/figcaption><\/figure>\n\n\n\n<p>Successivamente, dovete decidere come volete flashare la vostra scheda microSD. Il mio modo preferito \u00e8 quello di utilizzare il Raspberry Pi Imager. Tuttavia, \u00e8 anche possibile scaricare le immagini del Raspberry Pi OS <a href=\"https:\/\/www.raspberrypi.com\/software\/operating-systems\/#raspberry-pi-os-64-bit\">qui<\/a>.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"676\" height=\"444\" src=\"https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2022\/02\/image-1.png\" alt=\"\" class=\"wp-image-1703\" srcset=\"https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2022\/02\/image-1.png 676w, https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2022\/02\/image-1-300x197.png 300w, https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2022\/02\/image-1-18x12.png 18w\" sizes=\"auto, (max-width: 676px) 100vw, 676px\" \/><figcaption class=\"wp-element-caption\">Raspberry Pi Imager ha due opzioni del sistema operativo a 64 bit<\/figcaption><\/figure>\n<\/div>\n\n\n<p>Il sistema operativo Raspberry Pi ha due opzioni per il sistema operativo Raspberry Pi a 64 bit e potete accedervi cliccando su <strong>Sistema operativo<\/strong> <strong>pulsante -&gt; Raspberry Pi OS<\/strong> e poi scorrere fino a vedere il sistema operativo a 64 bit.<\/p>\n\n\n\n<p>Ora, questo porta alla domanda su quale versione di Raspberry Pi OS si dovrebbe installare.<\/p>\n\n\n\n<p>Se state usando il Raspberry Pi 3, 4, 400 o i moduli Compute 3\/4, allora sareste a posto con la versione normale del Raspberry Pi OS.<\/p>\n\n\n\n<p>Questo lascia il Raspberry Pi Zero 2 W, al quale il Chief Product Officer di Raspberry Pi ha detto che avrebbe \"suggerito solo la versione lite sul Pi Zero 2, 512MB \u00e8 molto limitante per il sistema operativo desktop a 64bit\". <\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"can-i-upgrade-my-32-bit-raspberry-pi-os-to-64-bit\">Posso aggiornare il mio Raspberry Pi OS a 32 bit a 64 bit?<\/h2>\n\n\n\n<p>Siete preoccupati per la perdita di dati? O forse volete solo un modo semplice per ottenere il 64 bit senza dover rifare tutto?<\/p>\n\n\n\n<p>La buona notizia \u00e8 che \u00e8 possibile.<\/p>\n\n\n\n<p>La cattiva notizia \u00e8 che sar\u00e0 100 volte pi\u00f9 difficile che aggiornare Windows, che in realt\u00e0 \u00e8 solo seguire un programma di installazione che fa tutto per voi. In questo caso, dovrete praticamente fare tutto da soli e probabilmente non sar\u00e0 buono come un'installazione pulita.<\/p>\n\n\n\n<p>Per passare da un sistema operativo a 32 bit a un sistema operativo a 64 bit, potete provare <a href=\"https:\/\/wiki.debian.org\/CrossGrading\">CrossGrading<\/a>.<\/p>\n\n\n\n<p>La parte migliore del link qui sopra \u00e8 il paragrafo \"Te l'avevo detto\" che afferma: \"Un backup completo \u00e8 anche fortemente raccomandato, poich\u00e9 questa procedura \u00e8 ancora molto in corso. Reinstallare \u00e8 ancora l'opzione pi\u00f9 sicura. Siete stati avvertiti!\"<\/p>\n\n\n\n<p>Detto questo, se state gi\u00e0 usando un sistema operativo Raspberry Pi a 64 bit e volete aggiornarlo, dovrete solo eseguire un <strong>sudo apt update <\/strong>e <strong>sudo apt upgrade<\/strong> per arrivare all'ultima versione, a patto che si stia usando la versione a 64 bit di Bullseye.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"how-to-check-if-my-raspberry-pi-os-is-64-bit\">Come controllare se il mio Raspberry Pi OS \u00e8 a 64 bit?<\/h2>\n\n\n\n<p>Quando il vostro Raspberry Pi OS si avvia, aprite un terminale ed eseguite<\/p>\n\n\n\n<div class=\"wp-block-kevinbatdorf-code-block-pro\" data-code-block-pro-font-family=\"Code-Pro-JetBrains-Mono\" style=\"font-size:.875rem;font-family:Code-Pro-JetBrains-Mono,ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;line-height:1.25rem\"><span style=\"display:block;padding:16px 0 0 16px;margin-bottom:-1px;width:100%;text-align:left;background-color:#2e3440ff\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"54\" height=\"14\" viewbox=\"0 0 54 14\"><g fill=\"none\" fill-rule=\"evenodd\" transform=\"translate(1 1)\"><circle cx=\"6\" cy=\"6\" r=\"6\" fill=\"#FF5F56\" stroke=\"#E0443E\" stroke-width=\".5\"><\/circle><circle cx=\"26\" cy=\"6\" r=\"6\" fill=\"#FFBD2E\" stroke=\"#DEA123\" stroke-width=\".5\"><\/circle><circle cx=\"46\" cy=\"6\" r=\"6\" fill=\"#27C93F\" stroke=\"#1AAB29\" stroke-width=\".5\"><\/circle><\/g><\/svg><\/span><span role=\"button\" tabindex=\"0\" data-code=\"uname -m\" style=\"color:#d8dee9ff;display:none\" aria-label=\"Copia\" class=\"code-block-pro-copy-button\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" style=\"width:24px;height:24px\" fill=\"none\" viewbox=\"0 0 24 24\" stroke=\"currentColor\" stroke-width=\"2\"><path class=\"with-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2m-6 9l2 2 4-4\"><\/path><path class=\"without-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2\"><\/path><\/svg><\/span><pre class=\"shiki nord\" style=\"background-color: #2e3440ff\" tabindex=\"0\"><code data-no-translation=\"\"><span class=\"line\"><span style=\"color: #D8DEE9\">uname<\/span><span style=\"color: #D8DEE9FF\"> <\/span><span style=\"color: #81A1C1\">-<\/span><span style=\"color: #D8DEE9\">m<\/span><\/span><\/code><\/pre><\/div>\n\n\n\n<p>Questo stampa il nome dell'hardware della macchina e se dice <strong>aarch64<\/strong>allora avete una versione a 64 bit. Se dice <strong>armv7l<\/strong> allora avete il sistema operativo a 32 bit.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"how-do-i-check-if-my-raspberry-pi-is-64-or-32-bit\">Come posso controllare se il mio Raspberry Pi \u00e8 a 64 o 32 bit?<\/h2>\n\n\n\n<p>Se avete un Raspberry Pi 1, 2 e Zero, avete un Raspberry Pi a 32 bit. Se hai la Zero 2, Pi 3, 4 e i corrispondenti Compute Module, hai un Pi a 64 bit. Vedi questa tabella per maggiori informazioni:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td><strong>Prodotto<\/strong><\/td><td><strong>Processore<\/strong><\/td><td><strong>Nucleo ARM<\/strong><\/td><td><strong>Debian\/Raspbian ARM<\/strong><br><strong>porta (massimo)<\/strong><\/td><td><strong>Architettura<br>larghezza<\/strong><\/td><\/tr><tr><td>Raspberry Pi 1<\/td><td>BCM2835<\/td><td>ARM1176<\/td><td>arm6hf<\/td><td>32 bit<\/td><\/tr><tr><td>Raspberry Pi 2<\/td><td>BCM2836<\/td><td>Cortex-A7<\/td><td>armhf<\/td><td>32 bit<\/td><\/tr><tr><td>Raspberry Pi Zero<\/td><td>BCM2835<\/td><td>ARM1176<\/td><td>arm6hf<\/td><td>32 bit<\/td><\/tr><tr><td>Raspberry Pi Zero 2<\/td><td>BCM2710<\/td><td>Cortex-A53<\/td><td>braccio64<\/td><td>64 bit<\/td><\/tr><tr><td>Raspberry Pi 3<\/td><td>BCM2710<\/td><td>Cortex-A53<\/td><td>braccio64<\/td><td>64 bit<\/td><\/tr><tr><td>Raspberry Pi 4<\/td><td>BCM2711<\/td><td>Cortex-A72<\/td><td>braccio64<\/td><td>64 bit<\/td><\/tr><\/tbody><\/table><figcaption class=\"wp-element-caption\"><a href=\"https:\/\/www.raspberrypi.com\/news\/raspberry-pi-os-64-bit\/\">Fonte: raspberrypi.com<\/a><\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"what-s-the-raspberry-pi-os-64-bit-built-on\">Su cosa \u00e8 costruito il Raspberry Pi OS 64-bit?<\/h2>\n\n\n\n<p>Secondo Raspberry Pi, \"L'upstream del sistema operativo a 32 bit \u00e8 Raspbian (che \u00e8 solo una ricostruzione di Debian per ARM6 con estensioni hard float). L'upstream del sistema operativo a 64 bit \u00e8 Debian. Ma entrambi hanno la nostra magia spruzzata per renderlo Raspberry Pi OS. Compresa l'accelerazione hardware\".<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"alternative-64-bit-oses-for-the-raspberry-pis\">Sistemi operativi alternativi a 64 bit per il Raspberry Pis<\/h2>\n\n\n\n<p>Non siete obbligati a usare il sistema operativo Raspberry Pi. Infatti, ci sono alcuni sistemi operativi che hanno versioni a 64 bit che funzionano bene sul Raspberry Pi.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td>Sistema operativo<\/td><td>Scopo<\/td><td>\u00c8 necessario un workaround?<\/td><td>Sito web<\/td><\/tr><tr><td>Ubuntu<\/td><td>Uso generale<\/td><td>Solo per Pi 4 con 4\/8GB di RAM.<\/td><td>https:\/\/ubuntu.com\/download\/raspberry-pi<\/td><\/tr><tr><td>Ubuntu Core 20<\/td><td>IoT, embedded<\/td><td><a href=\"https:\/\/ubuntu.com\/blog\/raspberry-pi-zero-2-w-with-ubuntu-server-support-is-here\">S\u00ec per Zero 2<\/a><\/td><td>https:\/\/ubuntu.com\/download\/raspberry-pi<\/td><\/tr><tr><td>Ubuntu Server 20.04.3 LTS\/ 21.1<\/td><td>Server<\/td><td><a href=\"https:\/\/ubuntu.com\/blog\/raspberry-pi-zero-2-w-with-ubuntu-server-support-is-here\">S\u00ec per Zero 2<\/a><\/td><td>https:\/\/ubuntu.com\/download\/raspberry-pi<\/td><\/tr><tr><td>Ubuntu Mate<\/td><td>Uso generale<\/td><td>No<\/td><td>https:\/\/ubuntu-mate.org\/download\/arm64\/<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"so-should-i-use-the-raspberry-pi-os-64-bit\">Quindi, dovrei usare il Raspberry Pi OS 64 bit?<\/h2>\n\n\n\n<p>Il modo pi\u00f9 semplice per godersi il Raspberry Pi sarebbe quello di utilizzare il sistema operativo Raspberry Pi a 32 bit.<\/p>\n\n\n\n<p>Raspberry Pi ha messo pi\u00f9 tempo dietro questo sistema operativo e quindi \u00e8 quello che funziona meglio.<\/p>\n\n\n\n<p>Se non \u00e8 rotto, non aggiustarlo.<\/p>\n\n\n\n<p>In generale, per un uso regolare del desktop, probabilmente sperimenterete qualche beneficio nell'aumento delle prestazioni. Sarete in grado di <em>benchmark<\/em> quei benefici in termini di prestazioni, ma se sarete in grado di percepirli o meno... questa \u00e8 un'altra questione.<\/p>\n\n\n\n<p>Voglio dire, l'ultimo grande aumento di prestazioni che ho potuto percepire \u00e8 stato passare da un disco rigido spinny a un SSD, quindi questo \u00e8 il punto di riferimento di ci\u00f2 che direi \"percepibile\".<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"raspberry-pi-os-64-bit-on-the-zero-2\">Raspberry Pi OS 64 bit sulla Zero 2<\/h3>\n\n\n\n<p>Finora ho parlato in generale. Tra tutte le schede che possono supportare il sistema operativo a 64 bit, il Raspberry Pi OS 64 bit potrebbe non essere adatto al Raspberry Pi Zero 2.<\/p>\n\n\n\n<p>Infatti, Gordon Hollingworth di Raspberry Pi raccomandava di usare la versione Lite 64 bit.<\/p>\n\n\n\n<p>Perch\u00e9? Il Pi Zero 2 ha solo 512 MB di RAM e questo \u00e8 un problema. Il Raspberry Pi OS 64-bit richiede pi\u00f9 memoria mentre la versione 32-bit \u00e8 un po' pi\u00f9 parsimoniosa.<\/p>\n\n\n\n<p>Cos\u00ec, ho fatto l'esatto contrario di quello che ha detto Hollingworth e ho installato la versione non-Lite del sistema operativo a 64 bit. Ho spento il file di swap eseguendo <strong>sudo dphys-swapfile swapoff<\/strong> e ho corso <strong>libero -h<\/strong> per valutare il mio utilizzo della RAM.<\/p>\n\n\n\n<p>I risultati sono arrivati:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td>Versione del sistema operativo Raspberry Pi<\/td><td>RAM usata<\/td><td>RAM gratuita<\/td><\/tr><tr><td>64 bit Bullseye<\/td><td>247MB<\/td><td>74MB<\/td><\/tr><tr><td>32 bit Bullseye<\/td><td>184MB<\/td><td>79MB<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"449\" src=\"https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2022\/02\/pi-32-vs-pi-64-1024x449.jpg\" alt=\"raspberry pi 32 bit vs 64 bit uso della memoria\" class=\"wp-image-1709\" srcset=\"https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2022\/02\/pi-32-vs-pi-64-1024x449.jpg 1024w, https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2022\/02\/pi-32-vs-pi-64-300x131.jpg 300w, https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2022\/02\/pi-32-vs-pi-64-768x337.jpg 768w, https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2022\/02\/pi-32-vs-pi-64-18x8.jpg 18w, https:\/\/picockpit.com\/raspberry-pi\/wp-content\/uploads\/2022\/02\/pi-32-vs-pi-64.jpg 1431w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>Forse ho un po' di \"ansia da autonomia\" con la memoria estremamente limitata del Pi Zero 2.<\/p>\n\n\n\n<p>Chromium ci mette ancora un'eternit\u00e0 a caricare qualsiasi cosa, a meno che non si faccia il comando <a href=\"https:\/\/picockpit.com\/raspberry-pi\/everything-about-raspberry-pi-zero-2-w\/#Swap_space\">file swap mod<\/a>. E mentre il file di swap mod ha aiutato a ridurre i tempi di caricamento, non ha risparmiato alcun tempo rispetto al sistema operativo Raspberry Pi a 32 bit. Ecco i risultati:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td>Configurazione di Raspberry Pi Zero<\/td><td>Tempo per caricare PiCockpit.com<\/td><\/tr><tr><td>32 bit no swap mod<\/td><td>45 secondi<\/td><\/tr><tr><td>32 bit con 2048MB di swap<\/td><td>16 secondi<\/td><\/tr><tr><td>64 bit con 2048MB di swap<\/td><td>16 secondi<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"more-questions\">Altre domande?<\/h2>\n\n\n\n<p>Lascia un commento qui sotto con le tue domande e discutiamone!<\/p>\n<div class=\"shariff shariff-align-center shariff-widget-align-left shariff-buttonstretch\"><ul class=\"shariff-buttons theme-white orientation-horizontal buttonsize-medium\"><li class=\"shariff-button twitter shariff-nocustomcolor\" style=\"background-color:#595959\"><a href=\"https:\/\/twitter.com\/share?url=https%3A%2F%2Fpicockpit.com%2Fraspberry-pi%2Fit%2Fil-tuo-64-bit-raspberry-pi-os-domande-risposte%2F&text=Your%2064-bit%20Raspberry%20Pi%20OS%20questions%20answered\" title=\"Condividi su X\" aria-label=\"Condividi su X\" role=\"button\" rel=\"noopener nofollow\" class=\"shariff-link\" style=\"; 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Il sistema operativo Raspberry Pi ha ufficialmente rilasciato la versione a 64 bit dopo una lunga fase di beta ed ecco come si presenta: Sembra 100% lo stesso della versione a 32 bit. Ma sotto il cofano ci sono alcune cose di cui bisogna essere consapevoli. Raspberry Pi: scegliere 32 o 64 bit? Il computer che...<\/p>","protected":false},"author":2,"featured_media":1711,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[727,726,602,702,187,636,637,600],"class_list":["post-1701","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-raspberry-pi-how-to","tag-32-bit","tag-64-bit","tag-desktop","tag-pi-os","tag-raspberry-pi","tag-raspberry-pi-4","tag-raspberry-pi-zero-2","tag-raspbian"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Your 64-bit Raspberry Pi OS questions answered | PiCockpit<\/title>\n<meta name=\"description\" content=\"The Raspberry Pi OS 64 bit is officially released. 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