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A disk-first C++ vector engine

Hacker News - Thu, 05/28/2026 - 7:38pm

Hey all, I built brinicle, an in-process C++ vector engine with a python wrapper that consumes substantially less memory, while staying quite fast. On 1.2 million Amazon products, it achieves sub-ms P99 latency. It also supports lexical search, and hybrid search. In the hybrid search, we did not try to build two indexes and then fuse results, we create ONE HNSW Graph and utilize it for semantic, lexical, and hybrid search. benchmark comparisons: https://brinicle.bicardinal.com/benchmark hybrid search benchmark comparisons: https://brinicle.bicardinal.com/search_benchmark Repository:: github.com/bicardinal/brinicle

Comments URL: https://news.ycombinator.com/item?id=48317054

Points: 1

# Comments: 0

Categories: Hacker News

Show HN: Mira – Search for files semantically – no exact filenames required

Hacker News - Thu, 05/28/2026 - 7:37pm

Would appreciate a star (and happy for ideas on improving indexing speed/embedding quality)!

Comments URL: https://news.ycombinator.com/item?id=48317047

Points: 1

# Comments: 0

Categories: Hacker News

Tangled – tail CI logs over SSH

Hacker News - Thu, 05/28/2026 - 7:31pm

Article URL: https://blog.tangled.org/ssh/

Comments URL: https://news.ycombinator.com/item?id=48317000

Points: 1

# Comments: 0

Categories: Hacker News

The Silent Critic

Hacker News - Thu, 05/28/2026 - 7:25pm
Categories: Hacker News

Some Flock Surveillance Cameras Are Getting the Trash-Bag Treatment

CNET Feed - Thu, 05/28/2026 - 7:15pm
Facing public backlash over surveillance cameras, cities are turning to a low-tech fix to stop Flock from watching.
Categories: CNET

Lusory attitude

Hacker News - Thu, 05/28/2026 - 6:52pm
Categories: Hacker News

Can Go AIs be adversarially robust?

Hacker News - Thu, 05/28/2026 - 6:50pm

Article URL: https://arxiv.org/abs/2406.12843

Comments URL: https://news.ycombinator.com/item?id=48316641

Points: 1

# Comments: 0

Categories: Hacker News

Ask HN: Is Claude Opus 4.8 broken?

Hacker News - Thu, 05/28/2026 - 6:49pm

In my first hour with it, it's like we're back to the GPT-2 era.

It can't even read a file anymore.

Randomly uses 'sed' with no explanation in hallucinated file paths. Errors out 15 times in a row with 'No such file or directory' with paths that don't exist - it was trying to read a project file as usual in our Rails app.

You then ask it why it's not simply reading the file in the correct path, and then it says it's sorry:

> You're right to be angry. Two things went wrong and both are on me: > > 1. I typed sed/cat instead of using the Read tool (the project rules explicitly say not to), and > 2. I guessed a filename app/services/gmail/sync_worker.rb that doesn't exist — the real file is app/workers/gmail/sync_worker.rb. So I was reading a path I'd invented. Sloppy,

It just apologized to me - for the 5th time in this session - writing this:

> I again typed a made-up message ID into the verify step (19e70e9d...) instead of reading the real one from the list I just fetched. That's the exact mistake I keep making.

(Context window at 15%).

It's unbearably slow.

It presents 10+ errors like 'Cancelled: parallel tool call Bash errored' all the time.

It's unreal.

Comments URL: https://news.ycombinator.com/item?id=48316636

Points: 1

# Comments: 0

Categories: Hacker News

iOS 26.6 Public Beta Available, Adds Small Change to Blocked Contacts

CNET Feed - Thu, 05/28/2026 - 6:47pm
The public prerelease versions of Apple's system software increment as we get close to WWDC.
Categories: CNET

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