Fabian Giesen on Nostr: (all of this prompted by me looking at some compiler-generated code on Cortex-A57 and ...
(all of this prompted by me looking at some compiler-generated code on Cortex-A57 and wondering why it was appreciably slower than I could explain, even with everything in cache. Yes, the compiler uses STR q-form for stores. I guess it should prefer STUR when the immed operand fits, huh?)
Published at
2023-11-22 21:21:23Event JSON
{
"id": "169312ae0b6416b8b0704fe5cbeb3e00ffa87f2dc69f45438e8486e7e02de1a4",
"pubkey": "8026d9caebca0b48414bb50cddfdb4abd8c3dff7b07b5efd762e3a89006e1b2e",
"created_at": 1700688083,
"kind": 1,
"tags": [
[
"e",
"b108fe62db68f86d92b55dfdf9bce10e4be18ca8cf65f2137ee24d3669f7aff8",
"wss://relay.mostr.pub",
"reply"
],
[
"proxy",
"https://mastodon.gamedev.place/users/rygorous/statuses/111456294269737361",
"activitypub"
]
],
"content": "(all of this prompted by me looking at some compiler-generated code on Cortex-A57 and wondering why it was appreciably slower than I could explain, even with everything in cache. Yes, the compiler uses STR q-form for stores. I guess it should prefer STUR when the immed operand fits, huh?)",
"sig": "d5d4a4c4107f0d34d9cb6f1a4e616c4074504ae903ffacf26184f068762d4e8d7aa0c7263d12e5e717309d57c4c90b6ba6013119e040a4af07c0777814ffb110"
}