{
"$type": "site.standard.document",
"bskyPostRef": {
"cid": "bafyreidun42qm2kqq2tx34gxh2rdbves4qc7pmnin4zgp6dbbndfze3i7m",
"uri": "at://did:plc:ivbknywyskln22er3nkssdhl/app.bsky.feed.post/3molrasyvq632"
},
"path": "/t/should-pgo-automatically-compile-hot-code-o3-and-cold-code-oz/24401#post_4",
"publishedAt": "2026-06-18T20:11:01.000Z",
"site": "https://internals.rust-lang.org",
"textContent": "gmatht:\n\n> where the profile doesn't cover every real world use-case\n\nI think I'm, personally at least, not that worried about it because it's easily fixable: if you have something where you end up with bad performance, you just need to include that scenario in the PGO training, which is what you already want when using PGO anyway.",
"title": "Should PGO automatically compile hot code O3 and cold code Oz?"
}