--- title: How Photoshop solved working with files larger than can... description: Adobe Photoshop engineering solved the challenge of working with files larger than can fit into memory by implementing a software virtual memory system (VM)... canonical: https://daily.dev/posts/how-photoshop-solved-working-with-files-larger-than-can-fit-into-memory-wszpmxgfz twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: How Photoshop solved working with files larger than can fit into memory | daily.dev og:description: Adobe Photoshop engineering solved the challenge of working with files larger than can fit into memory by implementing a software virtual memory system (VM)... og:url: https://daily.dev/posts/how-photoshop-solved-working-with-files-larger-than-can-fit-into-memory-wszpmxgfz og:image: https://api.daily.dev/og/posts/WSZpmxGFZ.png og:image:alt: How Photoshop solved working with files larger than can fit into memory og:image:width: 1200 og:image:height: 630 og:locale: en --- > ## Documentation Index > Fetch the complete documentation index at: https://daily.dev/llms.txt > Use this file to discover all available pages before exploring further. # How Photoshop solved working with files larger than can fit into memory **[Community Picks](https://daily.dev/sources/community)** · 5 min read · 6 upvotes · 0 comments ## Summary Adobe Photoshop engineering solved the challenge of working with files larger than can fit into memory by implementing a software virtual memory system (VM) and using a mipmap representation for image data. The VM manages document data, undo history, and working storage, while scratch files provide disk-based backing for VM pages. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: --- Tags: [#webassembly](https://daily.dev/tags/webassembly), [#photoshop](https://daily.dev/tags/photoshop) [View this post on daily.dev](https://daily.dev/posts/how-photoshop-solved-working-with-files-larger-than-can-fit-into-memory-wszpmxgfz) ```json {"@context":"https://schema.org","@graph":[{"@type":"Organization","@id":"https://daily.dev/#organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180},"sameAs":["https://twitter.com/dailydotdev","https://github.com/dailydotdev","https://www.linkedin.com/company/daily-dev-ltd"]},{"@type":"WebSite","@id":"https://daily.dev/#website","url":"https://daily.dev","name":"daily.dev","publisher":{"@id":"https://daily.dev/#organization"},"potentialAction":{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https://daily.dev/search?q={search_term_string}"},"query-input":"required name=search_term_string"}}]} {"@context":"https://schema.org","@type":"TechArticle","headline":"How Photoshop solved working with files larger than can fit into memory","url":"https://daily.dev/posts/how-photoshop-solved-working-with-files-larger-than-can-fit-into-memory-wszpmxgfz","mainEntityOfPage":{"@type":"WebPage","@id":"https://daily.dev/posts/how-photoshop-solved-working-with-files-larger-than-can-fit-into-memory-wszpmxgfz"},"datePublished":"2024-03-28T07:40:19.679Z","dateModified":"2024-05-09T09:06:08.895Z","description":"Adobe Photoshop engineering solved the challenge of working with files larger than can fit into memory by implementing a software virtual memory system (VM)...","image":"https://media.daily.dev/image/upload/f_auto,q_auto/v1/posts/b905765601776e9dd8bde630e960a255?_a=AQAEufR","thumbnailUrl":"https://media.daily.dev/image/upload/f_auto,q_auto/v1/posts/b905765601776e9dd8bde630e960a255?_a=AQAEufR","isAccessibleForFree":true,"articleSection":"Community Picks","inLanguage":"en","publisher":{"@type":"Organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180}},"author":{"@type":"Organization","name":"Community Picks","logo":"https://media.daily.dev/image/upload/t_logo,f_auto/v1655817725/logos/community","url":"https://daily.dev/sources/community"},"commentCount":0,"discussionUrl":"https://daily.dev/posts/how-photoshop-solved-working-with-files-larger-than-can-fit-into-memory-wszpmxgfz","interactionStatistic":[{"@type":"InteractionCounter","interactionType":{"@type":"LikeAction"},"userInteractionCount":6},{"@type":"InteractionCounter","interactionType":{"@type":"CommentAction"},"userInteractionCount":0}],"keywords":"webassembly,photoshop","timeRequired":"PT5M"} {"@context":"https://schema.org","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https://daily.dev"},{"@type":"ListItem","position":2,"name":"Community Picks","item":"https://daily.dev/sources/community"},{"@type":"ListItem","position":3,"name":"How Photoshop solved working with files larger than can fit into memory"}]} ```