René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"Remove deep-freezing of code objects and modules.","articleBody":"Deep-freezing, as implemented has a number of problems:\r\n* It is slow to build\r\n* It does not fit into the normal build system, `make` will not recreate deep-frozen modules\r\n* Deep-freezing only makes sense if the objects are immutable, but code objects are not (at the VM level)\r\n* It is [a bit slower](https://github.com/faster-cpython/benchmarking-public/tree/main/results/bm-20230827-3.13.0a0-1ad9bed)\r\n* It gets in the way of other optimizations, notable faster loading from `pyc` files.\r\n\r\nSo let's remove it.\r\n\r\nBut let's keep the ability to deep-freeze objects.\r\nThe ability to deep-freeze objects into the executable is valuable, we already do it with strings, and deep-freezing whole immutable object graphs like the `sys` and `builtin` modules could improve start up considerably.\n\n\u003c!-- gh-linked-prs --\u003e\n### Linked PRs\n* gh-108722\n* gh-110078\n* gh-116919\n* gh-117141\n\u003c!-- /gh-linked-prs --\u003e\n","author":{"url":"https://github.com/markshannon","@type":"Person","name":"markshannon"},"datePublished":"2023-08-31T12:45:10.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":5},"url":"https://github.com/108716/cpython/issues/108716"}