Y
HN Search
Hacker News Search
new
|
comments
|
top
|
jobs
rsf
searching PlanetScale…
1.
▲
2.
▲
3.
▲
4.
▲
5.
▲
6.
▲
4 ms
·
1.
▲
by
rsf
8mo ago
https://news.ycombinator.com/item?id=46977824
2.
▲
by
rsf
8mo ago
For the avoidance of doubt, I neither work for Anthropic nor do I have a horse in this race in any other way. I didn't even know about the Anthropic compiler when I wrote the blog post.
3.
▲
by
rsf
8mo ago
> The OP should try with -march=native so the compiler can use vector instructions. I just tried "-O3 -march=znver5" as well as "-O3 -march=native" and it didn't seem to make any difference.
4.
▲
by
rsf
8mo ago
> Sure, the code is strange, but it is not necessarily inefficient. Out of the 6 pieces of Assembly code in the article, 2 of them are definitely inefficient - specifically, the 2 clang ones that contain irrelevant writes to the stack. E
5.
▲
by
rsf
8mo ago
> The claim that the code is inefficient is really not substantiated well in this blog post. I didn't run benchmarks, but in the case of clang writing zeros to memory (which are never used thereafter), there's no way that parti
6.
▲
Both GCC and Clang generate strange/inefficient code
(codingmarginalia.blogspot.com)
71 points
by
rsf
8mo ago
|
39 comments
7.
▲
Using Unity to Help Solve Intelligence
(deepmind.com)
3 points
by
rsf
6y ago
|
0 comments
8.
▲
by
rsf
8y ago
Interestingly it's actually not a flaw, the key appears after a while if you're not in the room (and don't have one): https://news.ycombinator.com/item?id=17460392 I assume the agent somehow found this out an
9.
▲
by
rsf
8y ago
> In addition, the agent learns to exploit a flaw in the emulator to make a key re-appear at minute 4:25 of the video After a bit of debugging, this appears to be a very intentional feature in the game rather than a flaw. That key appea