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| <!--116gsbn--><meta name="hf:doc:metadata" content="{"title":"Quiz de fin de chapitre","local":"quiz-de-fin-de-chapitre","sections":[{"title":"1. Quel est l’ordre du pipeline de modélisation du langage ?","local":"1-quel-est-lordre-du-pipeline-de-modélisation-du-langage-","sections":[],"depth":3},{"title":"2. Combien de dimensions le tenseur produit par le <i> transformer </i> de base possède-t-il et quelles sont-elles ?","local":"2-combien-de-dimensions-le-tenseur-produit-par-le-i-transformer-i-de-base-possède-t-il-et-quelles-sont-elles-","sections":[],"depth":3},{"title":"3. Lequel des éléments suivants est un exemple de tokenisation en sous-mots ?","local":"3-lequel-des-éléments-suivants-est-un-exemple-de-tokenisation-en-sous-mots-","sections":[],"depth":3},{"title":"4. Qu’est-ce qu’une tête de modèle ?","local":"4-quest-ce-quune-tête-de-modèle-","sections":[],"depth":3},{"title":"5. Qu’est-ce qu’un AutoModel?","local":"5-quest-ce-quun-automodel","sections":[],"depth":3},{"title":"5. What is an AutoModel?","local":"5-what-is-an-automodel","sections":[],"depth":3},{"title":"6. Quelles sont les techniques à connaître lors de la mise en batch de séquences de longueurs différentes ?","local":"6-quelles-sont-les-techniques-à-connaître-lors-de-la-mise-en-batch-de-séquences-de-longueurs-différentes-","sections":[],"depth":3},{"title":"7. Quel est l’intérêt d’appliquer une fonction SoftMax aux logits produits par un modèle de classification de séquences ?","local":"7-quel-est-lintérêt-dappliquer-une-fonction-softmax-aux-logits-produits-par-un-modèle-de-classification-de-séquences-","sections":[],"depth":3},{"title":"8. Autour de quelle méthode s’articule la majeure partie de l’API <i> tokenizer </i> ?","local":"8-autour-de-quelle-méthode-sarticule-la-majeure-partie-de-lapi-i-tokenizer-i-","sections":[],"depth":3},{"title":"9. Que contient la variable result dans cet exemple de code ?","local":"9-que-contient-la-variable-result-dans-cet-exemple-de-code-","sections":[],"depth":3},{"title":"10. Y a-t-il un problème avec le code suivant ?","local":"10-y-a-t-il-un-problème-avec-le-code-suivant-","sections":[],"depth":3},{"title":"10. Y a-t-il un problème avec le code suivant ?","local":"10-y-a-t-il-un-problème-avec-le-code-suivant-","sections":[],"depth":3}],"depth":1}"/><!----> | |
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8 0 1 0 11.314 11.314l28.284-28.284a40 40 0 0 1 56.568 56.567l-28.285 28.285a8 8 0 0 0 11.315 11.314l28.284-28.284a56.065 56.065 0 0 0 0-79.196z" fill="currentColor"></path></svg><!----></span></a> <span>Quiz de fin de chapitre</span></h1><!--]--><!----> <div class="flex space-x-1 absolute z-10 right-0 top-0"><a href="https://discuss.huggingface.co/t/chapter-2-questions" target="_blank"><img alt="Ask a Question" class="!m-0" src="https://img.shields.io/badge/Ask%20a%20question-ffcb4c.svg?logo=data:image/svg+xml;base64,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"/></a><!----> <!--[-1--><!--]--> <!--[-1--><!--]--></div><!----> <!--[2--><h3 class="relative group"><a id="1-quel-est-lordre-du-pipeline-de-modélisation-du-langage-" class="header-link block pr-1.5 text-lg no-hover:hidden with-hover:absolute with-hover:p-1.5 with-hover:opacity-0 with-hover:group-hover:opacity-100 with-hover:right-full" href="#1-quel-est-lordre-du-pipeline-de-modélisation-du-langage-"><span><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" aria-hidden="true" role="img" width="1em" height="1em" preserveAspectRatio="xMidYMid meet" viewBox="0 0 256 256"><path d="M167.594 88.393a8.001 8.001 0 0 1 0 11.314l-67.882 67.882a8 8 0 1 1-11.314-11.315l67.882-67.881a8.003 8.003 0 0 1 11.314 0zm-28.287 84.86l-28.284 28.284a40 40 0 0 1-56.567-56.567l28.284-28.284a8 8 0 0 0-11.315-11.315l-28.284 28.284a56 56 0 0 0 79.196 79.197l28.285-28.285a8 8 0 1 0-11.315-11.314zM212.852 43.14a56.002 56.002 0 0 0-79.196 0l-28.284 28.284a8 8 0 1 0 11.314 11.314l28.284-28.284a40 40 0 0 1 56.568 56.567l-28.285 28.285a8 8 0 0 0 11.315 11.314l28.284-28.284a56.065 56.065 0 0 0 0-79.196z" fill="currentColor"></path></svg><!----></span></a> <span>1. Quel est l’ordre du pipeline de modélisation du langage ?</span></h3><!--]--><!----> <div><form><!--[--><label class="block"><input autocomplete="off" class="form-input -mt-1.5 mr-2" name="choice" type="checkbox" value="0"/> <!----> Tout d'abord, le modèle, qui traite le texte et renvoie des prédictions brutes. Puis le <i>tokenizer</i> donne un sens à ces prédictions et les reconvertit en texte si nécessaire.<!----></label> <!--[-1--><!--]--><label class="block"><input autocomplete="off" class="form-input -mt-1.5 mr-2" name="choice" type="checkbox" value="1"/> <!----> Tout d'abord, le <i>tokenizer</i>, qui traite le texte et renvoie des identifiants. Puis le modèle traite ces identifiants et produit une prédiction, qui peut être du texte.<!----></label> <!--[-1--><!--]--><label class="block"><input autocomplete="off" class="form-input -mt-1.5 mr-2" name="choice" type="checkbox" value="2"/> <!----> Le <i>tokenizer</i> traite le texte et renvoie des identifiants. Le modèle traite ces identifiants et produit une prédiction. Le <i>tokenizer</i> peut alors être utilisé à nouveau pour reconvertir ces prédictions en texte.<!----></label> <!--[-1--><!--]--><!--]--> <div class="flex flex-row items-center mt-3"><button class="btn px-4 mr-4" type="submit" disabled="">Submit</button> <!--[-1--><!--]--></div></form></div><!----> <!--[2--><h3 class="relative group"><a id="2-combien-de-dimensions-le-tenseur-produit-par-le-i-transformer-i-de-base-possède-t-il-et-quelles-sont-elles-" class="header-link block pr-1.5 text-lg no-hover:hidden with-hover:absolute with-hover:p-1.5 with-hover:opacity-0 with-hover:group-hover:opacity-100 with-hover:right-full" href="#2-combien-de-dimensions-le-tenseur-produit-par-le-i-transformer-i-de-base-possède-t-il-et-quelles-sont-elles-"><span><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" aria-hidden="true" role="img" width="1em" height="1em" preserveAspectRatio="xMidYMid meet" viewBox="0 0 256 256"><path d="M167.594 88.393a8.001 8.001 0 0 1 0 11.314l-67.882 67.882a8 8 0 1 1-11.314-11.315l67.882-67.881a8.003 8.003 0 0 1 11.314 0zm-28.287 84.86l-28.284 28.284a40 40 0 0 1-56.567-56.567l28.284-28.284a8 8 0 0 0-11.315-11.315l-28.284 28.284a56 56 0 0 0 79.196 79.197l28.285-28.285a8 8 0 1 0-11.315-11.314zM212.852 43.14a56.002 56.002 0 0 0-79.196 0l-28.284 28.284a8 8 0 1 0 11.314 11.314l28.284-28.284a40 40 0 0 1 56.568 56.567l-28.285 28.285a8 8 0 0 0 11.315 11.314l28.284-28.284a56.065 56.065 0 0 0 0-79.196z" fill="currentColor"></path></svg><!----></span></a> <span>2. Combien de dimensions le tenseur produit par le <i> transformer </i> de base possède-t-il et quelles sont-elles ?</span></h3><!--]--><!----> <div><form><!--[--><label class="block"><input autocomplete="off" class="form-input -mt-1.5 mr-2" name="choice" type="checkbox" value="0"/> <!---->2: la longueur de la séquence et la taille du batch<!----></label> <!--[-1--><!--]--><label class="block"><input autocomplete="off" class="form-input -mt-1.5 mr-2" name="choice" type="checkbox" value="1"/> <!---->2: la longueur de la séquence et la taille cachée<!----></label> <!--[-1--><!--]--><label class="block"><input autocomplete="off" class="form-input -mt-1.5 mr-2" name="choice" type="checkbox" value="2"/> <!---->3: la longueur de la séquence, la taille du batch et la taille cachée.<!----></label> <!--[-1--><!--]--><!--]--> <div class="flex flex-row items-center mt-3"><button class="btn px-4 mr-4" type="submit" disabled="">Submit</button> <!--[-1--><!--]--></div></form></div><!----> <!--[2--><h3 class="relative group"><a id="3-lequel-des-éléments-suivants-est-un-exemple-de-tokenisation-en-sous-mots-" class="header-link block pr-1.5 text-lg no-hover:hidden with-hover:absolute with-hover:p-1.5 with-hover:opacity-0 with-hover:group-hover:opacity-100 with-hover:right-full" href="#3-lequel-des-éléments-suivants-est-un-exemple-de-tokenisation-en-sous-mots-"><span><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" aria-hidden="true" role="img" width="1em" height="1em" preserveAspectRatio="xMidYMid meet" viewBox="0 0 256 256"><path d="M167.594 88.393a8.001 8.001 0 0 1 0 11.314l-67.882 67.882a8 8 0 1 1-11.314-11.315l67.882-67.881a8.003 8.003 0 0 1 11.314 0zm-28.287 84.86l-28.284 28.284a40 40 0 0 1-56.567-56.567l28.284-28.284a8 8 0 0 0-11.315-11.315l-28.284 28.284a56 56 0 0 0 79.196 79.197l28.285-28.285a8 8 0 1 0-11.315-11.314zM212.852 43.14a56.002 56.002 0 0 0-79.196 0l-28.284 28.284a8 8 0 1 0 11.314 11.314l28.284-28.284a40 40 0 0 1 56.568 56.567l-28.285 28.285a8 8 0 0 0 11.315 11.314l28.284-28.284a56.065 56.065 0 0 0 0-79.196z" fill="currentColor"></path></svg><!----></span></a> <span>3. Lequel des éléments suivants est un exemple de tokenisation en sous-mots ?</span></h3><!--]--><!----> <div><form><!--[--><label class="block"><input autocomplete="off" class="form-input -mt-1.5 mr-2" name="choice" type="checkbox" value="0"/> <!---->WordPiece<!----></label> <!--[-1--><!--]--><label class="block"><input autocomplete="off" class="form-input -mt-1.5 mr-2" name="choice" type="checkbox" value="1"/> <!---->La tokenization basée sur les caractères<!----></label> <!--[-1--><!--]--><label class="block"><input autocomplete="off" class="form-input -mt-1.5 mr-2" name="choice" type="checkbox" value="2"/> <!---->Découpage sur les espaces et la ponctuation<!----></label> <!--[-1--><!--]--><label class="block"><input autocomplete="off" class="form-input -mt-1.5 mr-2" name="choice" type="checkbox" value="3"/> <!---->BPE<!----></label> <!--[-1--><!--]--><label class="block"><input autocomplete="off" class="form-input -mt-1.5 mr-2" name="choice" type="checkbox" value="4"/> <!---->Unigram<!----></label> <!--[-1--><!--]--><label class="block"><input autocomplete="off" class="form-input -mt-1.5 mr-2" name="choice" type="checkbox" value="5"/> <!---->Aucune des propositions ci-dessus<!----></label> <!--[-1--><!--]--><!--]--> <div class="flex flex-row items-center mt-3"><button class="btn px-4 mr-4" type="submit" disabled="">Submit</button> <!--[-1--><!--]--></div></form></div><!----> <!--[2--><h3 class="relative group"><a id="4-quest-ce-quune-tête-de-modèle-" class="header-link block pr-1.5 text-lg no-hover:hidden with-hover:absolute with-hover:p-1.5 with-hover:opacity-0 with-hover:group-hover:opacity-100 with-hover:right-full" href="#4-quest-ce-quune-tête-de-modèle-"><span><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" aria-hidden="true" role="img" width="1em" height="1em" preserveAspectRatio="xMidYMid meet" viewBox="0 0 256 256"><path d="M167.594 88.393a8.001 8.001 0 0 1 0 11.314l-67.882 67.882a8 8 0 1 1-11.314-11.315l67.882-67.881a8.003 8.003 0 0 1 11.314 0zm-28.287 84.86l-28.284 28.284a40 40 0 0 1-56.567-56.567l28.284-28.284a8 8 0 0 0-11.315-11.315l-28.284 28.284a56 56 0 0 0 79.196 79.197l28.285-28.285a8 8 0 1 0-11.315-11.314zM212.852 43.14a56.002 56.002 0 0 0-79.196 0l-28.284 28.284a8 8 0 1 0 11.314 11.314l28.284-28.284a40 40 0 0 1 56.568 56.567l-28.285 28.285a8 8 0 0 0 11.315 11.314l28.284-28.284a56.065 56.065 0 0 0 0-79.196z" fill="currentColor"></path></svg><!----></span></a> <span>4. Qu’est-ce qu’une tête de modèle ?</span></h3><!--]--><!----> <div><form><!--[--><label class="block"><input autocomplete="off" class="form-input -mt-1.5 mr-2" name="choice" type="checkbox" value="0"/> <!----> Un composant du <i>transformer</i> de base qui redirige les tenseurs vers leurs couches correctes.<!----></label> <!--[-1--><!--]--><label class="block"><input autocomplete="off" class="form-input -mt-1.5 mr-2" name="choice" type="checkbox" value="1"/> <!---->Également connu sous le nom de mécanisme d'auto-attention, il adapte la représentation d'un <i>token</i> en fonction des autres <i>tokens</i> de la séquence.<!----></label> <!--[-1--><!--]--><label class="block"><input autocomplete="off" class="form-input -mt-1.5 mr-2" name="choice" type="checkbox" value="2"/> <!---->Un composant supplémentaire, généralement constitué d'une ou plusieurs couches, pour convertir les prédictions du <i>transformer</i> en une sortie spécifique à la tâche.<!----></label> <!--[-1--><!--]--><!--]--> <div class="flex flex-row items-center mt-3"><button class="btn px-4 mr-4" type="submit" disabled="">Submit</button> <!--[-1--><!--]--></div></form></div><!----> <!--[0--><!--[2--><h3 class="relative group"><a id="5-quest-ce-quun-automodel" class="header-link block pr-1.5 text-lg no-hover:hidden with-hover:absolute with-hover:p-1.5 with-hover:opacity-0 with-hover:group-hover:opacity-100 with-hover:right-full" href="#5-quest-ce-quun-automodel"><span><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" aria-hidden="true" role="img" width="1em" height="1em" preserveAspectRatio="xMidYMid meet" viewBox="0 0 256 256"><path d="M167.594 88.393a8.001 8.001 0 0 1 0 11.314l-67.882 67.882a8 8 0 1 1-11.314-11.315l67.882-67.881a8.003 8.003 0 0 1 11.314 0zm-28.287 84.86l-28.284 28.284a40 40 0 0 1-56.567-56.567l28.284-28.284a8 8 0 0 0-11.315-11.315l-28.284 28.284a56 56 0 0 0 79.196 79.197l28.285-28.285a8 8 0 1 0-11.315-11.314zM212.852 43.14a56.002 56.002 0 0 0-79.196 0l-28.284 28.284a8 8 0 1 0 11.314 11.314l28.284-28.284a40 40 0 0 1 56.568 56.567l-28.285 28.285a8 8 0 0 0 11.315 11.314l28.284-28.284a56.065 56.065 0 0 0 0-79.196z" fill="currentColor"></path></svg><!----></span></a> <span>5. Qu’est-ce qu’un AutoModel?</span></h3><!--]--><!----> <div><form><!--[--><label class="block"><input autocomplete="off" class="form-input -mt-1.5 mr-2" name="choice" type="checkbox" value="0"/> <!---->Un modèle qui s'entraîne automatiquement sur vos données<!----></label> <!--[-1--><!--]--><label class="block"><input autocomplete="off" class="form-input -mt-1.5 mr-2" name="choice" type="checkbox" value="1"/> <!---->Un objet qui renvoie la bonne architecture basée sur le <i>checkpoint</i> .<!----></label> <!--[-1--><!--]--><label class="block"><input autocomplete="off" class="form-input -mt-1.5 mr-2" name="choice" type="checkbox" value="2"/> <!---->Un modèle qui détecte automatiquement la langue utilisée pour ses entrées afin de charger les bonnes pondérations.<!----></label> <!--[-1--><!--]--><!--]--> <div class="flex flex-row items-center mt-3"><button class="btn px-4 mr-4" type="submit" disabled="">Submit</button> <!--[-1--><!--]--></div></form></div><!----><!--]--> <!--[2--><h3 class="relative group"><a id="6-quelles-sont-les-techniques-à-connaître-lors-de-la-mise-en-batch-de-séquences-de-longueurs-différentes-" class="header-link block pr-1.5 text-lg no-hover:hidden with-hover:absolute with-hover:p-1.5 with-hover:opacity-0 with-hover:group-hover:opacity-100 with-hover:right-full" href="#6-quelles-sont-les-techniques-à-connaître-lors-de-la-mise-en-batch-de-séquences-de-longueurs-différentes-"><span><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" aria-hidden="true" role="img" width="1em" height="1em" preserveAspectRatio="xMidYMid meet" viewBox="0 0 256 256"><path d="M167.594 88.393a8.001 8.001 0 0 1 0 11.314l-67.882 67.882a8 8 0 1 1-11.314-11.315l67.882-67.881a8.003 8.003 0 0 1 11.314 0zm-28.287 84.86l-28.284 28.284a40 40 0 0 1-56.567-56.567l28.284-28.284a8 8 0 0 0-11.315-11.315l-28.284 28.284a56 56 0 0 0 79.196 79.197l28.285-28.285a8 8 0 1 0-11.315-11.314zM212.852 43.14a56.002 56.002 0 0 0-79.196 0l-28.284 28.284a8 8 0 1 0 11.314 11.314l28.284-28.284a40 40 0 0 1 56.568 56.567l-28.285 28.285a8 8 0 0 0 11.315 11.314l28.284-28.284a56.065 56.065 0 0 0 0-79.196z" fill="currentColor"></path></svg><!----></span></a> <span>6. Quelles sont les techniques à connaître lors de la mise en batch de séquences de longueurs différentes ?</span></h3><!--]--><!----> <div><form><!--[--><label class="block"><input autocomplete="off" class="form-input -mt-1.5 mr-2" name="choice" type="checkbox" value="0"/> <!---->La troncature<!----></label> <!--[-1--><!--]--><label class="block"><input autocomplete="off" class="form-input -mt-1.5 mr-2" name="choice" type="checkbox" value="1"/> <!---->Retourner les tenseurs<!----></label> <!--[-1--><!--]--><label class="block"><input autocomplete="off" class="form-input -mt-1.5 mr-2" name="choice" type="checkbox" value="2"/> <!---->Le <i>padding</i><!----></label> <!--[-1--><!--]--><label class="block"><input autocomplete="off" class="form-input -mt-1.5 mr-2" name="choice" type="checkbox" value="3"/> <!---->Les masques d'attention <!----></label> <!--[-1--><!--]--><!--]--> <div class="flex flex-row items-center mt-3"><button class="btn px-4 mr-4" type="submit" disabled="">Submit</button> <!--[-1--><!--]--></div></form></div><!----> <!--[2--><h3 class="relative group"><a id="7-quel-est-lintérêt-dappliquer-une-fonction-softmax-aux-logits-produits-par-un-modèle-de-classification-de-séquences-" class="header-link block pr-1.5 text-lg no-hover:hidden with-hover:absolute with-hover:p-1.5 with-hover:opacity-0 with-hover:group-hover:opacity-100 with-hover:right-full" href="#7-quel-est-lintérêt-dappliquer-une-fonction-softmax-aux-logits-produits-par-un-modèle-de-classification-de-séquences-"><span><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" aria-hidden="true" role="img" width="1em" height="1em" preserveAspectRatio="xMidYMid meet" viewBox="0 0 256 256"><path d="M167.594 88.393a8.001 8.001 0 0 1 0 11.314l-67.882 67.882a8 8 0 1 1-11.314-11.315l67.882-67.881a8.003 8.003 0 0 1 11.314 0zm-28.287 84.86l-28.284 28.284a40 40 0 0 1-56.567-56.567l28.284-28.284a8 8 0 0 0-11.315-11.315l-28.284 28.284a56 56 0 0 0 79.196 79.197l28.285-28.285a8 8 0 1 0-11.315-11.314zM212.852 43.14a56.002 56.002 0 0 0-79.196 0l-28.284 28.284a8 8 0 1 0 11.314 11.314l28.284-28.284a40 40 0 0 1 56.568 56.567l-28.285 28.285a8 8 0 0 0 11.315 11.314l28.284-28.284a56.065 56.065 0 0 0 0-79.196z" fill="currentColor"></path></svg><!----></span></a> <span>7. Quel est l’intérêt d’appliquer une fonction SoftMax aux logits produits par un modèle de classification de séquences ?</span></h3><!--]--><!----> <div><form><!--[--><label class="block"><input autocomplete="off" class="form-input -mt-1.5 mr-2" name="choice" type="checkbox" value="0"/> <!---->Elle adoucit les logits pour qu'ils soient plus fiables.<!----></label> <!--[-1--><!--]--><label class="block"><input autocomplete="off" class="form-input -mt-1.5 mr-2" name="choice" type="checkbox" value="1"/> <!---->Elle applique une limite inférieure et supérieure pour qu'ils soient compréhensibles.<!----></label> <!--[-1--><!--]--><label class="block"><input autocomplete="off" class="form-input -mt-1.5 mr-2" name="choice" type="checkbox" value="2"/> <!---->La somme totale des sorties est alors égale à 1, ce qui permet une interprétation probabiliste.<!----></label> <!--[-1--><!--]--><!--]--> <div class="flex flex-row items-center mt-3"><button class="btn px-4 mr-4" type="submit" disabled="">Submit</button> <!--[-1--><!--]--></div></form></div><!----> <!--[2--><h3 class="relative group"><a id="8-autour-de-quelle-méthode-sarticule-la-majeure-partie-de-lapi-i-tokenizer-i-" class="header-link block pr-1.5 text-lg no-hover:hidden with-hover:absolute with-hover:p-1.5 with-hover:opacity-0 with-hover:group-hover:opacity-100 with-hover:right-full" href="#8-autour-de-quelle-méthode-sarticule-la-majeure-partie-de-lapi-i-tokenizer-i-"><span><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" aria-hidden="true" role="img" width="1em" height="1em" preserveAspectRatio="xMidYMid meet" viewBox="0 0 256 256"><path d="M167.594 88.393a8.001 8.001 0 0 1 0 11.314l-67.882 67.882a8 8 0 1 1-11.314-11.315l67.882-67.881a8.003 8.003 0 0 1 11.314 0zm-28.287 84.86l-28.284 28.284a40 40 0 0 1-56.567-56.567l28.284-28.284a8 8 0 0 0-11.315-11.315l-28.284 28.284a56 56 0 0 0 79.196 79.197l28.285-28.285a8 8 0 1 0-11.315-11.314zM212.852 43.14a56.002 56.002 0 0 0-79.196 0l-28.284 28.284a8 8 0 1 0 11.314 11.314l28.284-28.284a40 40 0 0 1 56.568 56.567l-28.285 28.285a8 8 0 0 0 11.315 11.314l28.284-28.284a56.065 56.065 0 0 0 0-79.196z" fill="currentColor"></path></svg><!----></span></a> <span>8. Autour de quelle méthode s’articule la majeure partie de l’API <i> tokenizer </i> ?</span></h3><!--]--><!----> <div><form><!--[--><label class="block"><input autocomplete="off" class="form-input -mt-1.5 mr-2" name="choice" type="checkbox" value="0"/> <!----><code>encode</code>, car elle peut encoder du texte en identifiants et des identifiants en prédictions.<!----></label> <!--[-1--><!--]--><label class="block"><input autocomplete="off" class="form-input -mt-1.5 mr-2" name="choice" type="checkbox" value="1"/> <!---->Appeler directement l'objet tokenizer<!----></label> <!--[-1--><!--]--><label class="block"><input autocomplete="off" class="form-input -mt-1.5 mr-2" name="choice" type="checkbox" value="2"/> <!----><code>pad</code><!----></label> <!--[-1--><!--]--><label class="block"><input autocomplete="off" class="form-input -mt-1.5 mr-2" name="choice" type="checkbox" value="3"/> <!----><code>tokenize</code><!----></label> <!--[-1--><!--]--><!--]--> <div class="flex flex-row items-center mt-3"><button class="btn px-4 mr-4" type="submit" disabled="">Submit</button> <!--[-1--><!--]--></div></form></div><!----> <!--[2--><h3 class="relative group"><a id="9-que-contient-la-variable-result-dans-cet-exemple-de-code-" class="header-link block pr-1.5 text-lg no-hover:hidden with-hover:absolute with-hover:p-1.5 with-hover:opacity-0 with-hover:group-hover:opacity-100 with-hover:right-full" href="#9-que-contient-la-variable-result-dans-cet-exemple-de-code-"><span><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" aria-hidden="true" role="img" width="1em" height="1em" preserveAspectRatio="xMidYMid meet" viewBox="0 0 256 256"><path d="M167.594 88.393a8.001 8.001 0 0 1 0 11.314l-67.882 67.882a8 8 0 1 1-11.314-11.315l67.882-67.881a8.003 8.003 0 0 1 11.314 0zm-28.287 84.86l-28.284 28.284a40 40 0 0 1-56.567-56.567l28.284-28.284a8 8 0 0 0-11.315-11.315l-28.284 28.284a56 56 0 0 0 79.196 79.197l28.285-28.285a8 8 0 1 0-11.315-11.314zM212.852 43.14a56.002 56.002 0 0 0-79.196 0l-28.284 28.284a8 8 0 1 0 11.314 11.314l28.284-28.284a40 40 0 0 1 56.568 56.567l-28.285 28.285a8 8 0 0 0 11.315 11.314l28.284-28.284a56.065 56.065 0 0 0 0-79.196z" fill="currentColor"></path></svg><!----></span></a> <span>9. Que contient la variable result dans cet exemple de code ?</span></h3><!--]--><!----> <div class="code-block relative "><div class="absolute top-2.5 right-4"><button class="inline-flex items-center relative text-sm focus:text-green-500 cursor-pointer focus:outline-none transition duration-200 ease-in-out opacity-0 mx-0.5 text-gray-600 " title="code excerpt" type="button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" fill="currentColor" focusable="false" role="img" width="1em" height="1em" preserveAspectRatio="xMidYMid meet" viewBox="0 0 32 32"><path d="M28,10V28H10V10H28m0-2H10a2,2,0,0,0-2,2V28a2,2,0,0,0,2,2H28a2,2,0,0,0,2-2V10a2,2,0,0,0-2-2Z" transform="translate(0)"></path><path d="M4,18H2V4A2,2,0,0,1,4,2H18V4H4Z" transform="translate(0)"></path><rect fill="none" width="32" height="32"></rect></svg><!----> <div class=" absolute pointer-events-none transition-opacity bg-black text-white py-1 px-2 leading-tight rounded font-normal shadow left-1/2 top-full transform -translate-x-1/2 translate-y-2 opacity-0 "><div class="absolute bottom-full left-1/2 transform -translate-x-1/2 w-0 h-0 border-black border-4 border-t-0" style="border-left-color: transparent; border-right-color: transparent;"></div> Copied</div><!----></button><!----></div> <pre class="language-py "><!----><span class="hljs-keyword">from</span> transformers <span class="hljs-keyword">import</span> AutoTokenizer | |
| tokenizer = AutoTokenizer.from_pretrained(<span class="hljs-string">"bert-base-cased"</span>) | |
| result = tokenizer.tokenize(<span class="hljs-string">"Hello!"</span>)<!----></pre></div><!----> <div><form><!--[--><label class="block"><input autocomplete="off" class="form-input -mt-1.5 mr-2" name="choice" type="checkbox" value="0"/> <!---->Une liste de chaînes de caractères, chaque chaîne étant un <i>token</i>.<!----></label> <!--[-1--><!--]--><label class="block"><input autocomplete="off" class="form-input -mt-1.5 mr-2" name="choice" type="checkbox" value="1"/> <!---->Une liste d'identifiants<!----></label> <!--[-1--><!--]--><label class="block"><input autocomplete="off" class="form-input -mt-1.5 mr-2" name="choice" type="checkbox" value="2"/> <!---->Une chaîne contenant tous les <i>tokens</i><!----></label> <!--[-1--><!--]--><!--]--> <div class="flex flex-row items-center mt-3"><button class="btn px-4 mr-4" type="submit" disabled="">Submit</button> <!--[-1--><!--]--></div></form></div><!----> <!--[0--><!--[2--><h3 class="relative group"><a id="10-y-a-t-il-un-problème-avec-le-code-suivant-" class="header-link block pr-1.5 text-lg no-hover:hidden with-hover:absolute with-hover:p-1.5 with-hover:opacity-0 with-hover:group-hover:opacity-100 with-hover:right-full" href="#10-y-a-t-il-un-problème-avec-le-code-suivant-"><span><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" aria-hidden="true" role="img" width="1em" height="1em" preserveAspectRatio="xMidYMid meet" viewBox="0 0 256 256"><path d="M167.594 88.393a8.001 8.001 0 0 1 0 11.314l-67.882 67.882a8 8 0 1 1-11.314-11.315l67.882-67.881a8.003 8.003 0 0 1 11.314 0zm-28.287 84.86l-28.284 28.284a40 40 0 0 1-56.567-56.567l28.284-28.284a8 8 0 0 0-11.315-11.315l-28.284 28.284a56 56 0 0 0 79.196 79.197l28.285-28.285a8 8 0 1 0-11.315-11.314zM212.852 43.14a56.002 56.002 0 0 0-79.196 0l-28.284 28.284a8 8 0 1 0 11.314 11.314l28.284-28.284a40 40 0 0 1 56.568 56.567l-28.285 28.285a8 8 0 0 0 11.315 11.314l28.284-28.284a56.065 56.065 0 0 0 0-79.196z" fill="currentColor"></path></svg><!----></span></a> <span>10. Y a-t-il un problème avec le code suivant ?</span></h3><!--]--><!----> <div class="code-block relative "><div class="absolute top-2.5 right-4"><button class="inline-flex items-center relative text-sm focus:text-green-500 cursor-pointer focus:outline-none transition duration-200 ease-in-out opacity-0 mx-0.5 text-gray-600 " title="code excerpt" type="button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" fill="currentColor" focusable="false" role="img" width="1em" height="1em" preserveAspectRatio="xMidYMid meet" viewBox="0 0 32 32"><path d="M28,10V28H10V10H28m0-2H10a2,2,0,0,0-2,2V28a2,2,0,0,0,2,2H28a2,2,0,0,0,2-2V10a2,2,0,0,0-2-2Z" transform="translate(0)"></path><path d="M4,18H2V4A2,2,0,0,1,4,2H18V4H4Z" transform="translate(0)"></path><rect fill="none" width="32" height="32"></rect></svg><!----> <div class=" absolute pointer-events-none transition-opacity bg-black text-white py-1 px-2 leading-tight rounded font-normal shadow left-1/2 top-full transform -translate-x-1/2 translate-y-2 opacity-0 "><div class="absolute bottom-full left-1/2 transform -translate-x-1/2 w-0 h-0 border-black border-4 border-t-0" style="border-left-color: transparent; border-right-color: transparent;"></div> Copied</div><!----></button><!----></div> <pre class="language-py "><!----><span class="hljs-keyword">from</span> transformers <span class="hljs-keyword">import</span> AutoTokenizer, AutoModel | |
| tokenizer = AutoTokenizer.from_pretrained(<span class="hljs-string">"bert-base-cased"</span>) | |
| model = AutoModel.from_pretrained(<span class="hljs-string">"gpt2"</span>) | |
| encoded = tokenizer(<span class="hljs-string">"Hey!"</span>, return_tensors=<span class="hljs-string">"pt"</span>) | |
| result = model(**encoded)<!----></pre></div><!----> <div><form><!--[--><label class="block"><input autocomplete="off" class="form-input -mt-1.5 mr-2" name="choice" type="checkbox" value="0"/> <!---->Non, ça semble correct.<!----></label> <!--[-1--><!--]--><label class="block"><input autocomplete="off" class="form-input -mt-1.5 mr-2" name="choice" type="checkbox" value="1"/> <!----> Le <i>tokenizer</i> et le modèle doivent toujours provenir du même <i>checkpoint</i>.<!----></label> <!--[-1--><!--]--><label class="block"><input autocomplete="off" class="form-input -mt-1.5 mr-2" name="choice" type="checkbox" value="2"/> <!----> C'est une bonne pratique de faire du <i>padding</i> et de troncage avec le <i>tokenizer</i> car chaque entrée est un batch.<!----></label> <!--[-1--><!--]--><!--]--> <div class="flex flex-row items-center mt-3"><button class="btn px-4 mr-4" type="submit" disabled="">Submit</button> <!--[-1--><!--]--></div></form></div><!----><!--]--> <a class="!text-gray-400 !no-underline text-sm flex items-center not-prose mt-4" href="https://github.com/huggingface/course/blob/main/chapters/fr/chapter2/8.mdx" target="_blank"><svg class="mr-1" xmlns="http://www.w3.org/2000/svg" aria-hidden="true" fill="currentColor" focusable="false" role="img" width="1em" height="1em" preserveAspectRatio="xMidYMid meet" viewBox="0 0 32 32"><path d="M31,16l-7,7l-1.41-1.41L28.17,16l-5.58-5.59L24,9l7,7z"></path><path d="M1,16l7-7l1.41,1.41L3.83,16l5.58,5.59L8,23l-7-7z"></path><path d="M12.419,25.484L17.639,6.552l1.932,0.518L14.351,26.002z"></path></svg><!----> <span><span class="underline">Update</span> on GitHub</span></a><!----> <p></p><!--]--><!----><!--]--><!--]--><!--]--> <!--[-1--><!--]--><!--]--> | |
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