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Cache Benchmarks

https://github.com/tidwall/cache-benchmarks
41•jjwiseman•3d ago

Comments

randomtoast•8h ago
I would also like to see linear scaling graphs.
junon•6h ago
The choice for log graphs here probably wasn't necessary and seems to have hurt more than it helped. Despite looking relatively similar, memcached performed 3x faster than redis on some benchmarks whilst appearing only slightly above average.

Otherwise, very thorough and well done benchmark from the looks of it. Redis my beloved not holding up so well against some others these days it looks like.

robinhoodexe•4h ago
Agreed, it'd be nice to see the graphs with a linear scale.
nchmy•3h ago
I wouldn't have even noticed if I hadn't seen this comment. Definitely necessary to change to linear scale.

Also, while I appreciate the thoroughness, I think it would be very useful to reduce the number of graphs significantly. Maybe 10x fewer. Just present the key ones that tell the story, and put the rest in another folder.

greatgib•6h ago
Does anyone have an idea about why there is such a gap sometimes between valley and Redis? I would have expected only a marginal différence at this point.
dilyevsky•6h ago
I assume because valkey is multithreaded and redis isn’t
motorest•5h ago
I'm happy to see Valkey consistently outperforming Redis. It should be food for thought for anyone considering rug pulls.
phoronixrly•4h ago
> c8g.8xlarge (32 core non-NUMA ARM64)

Requests are scheduled on half of these. Despite that, a plateau is hit after 8 threads? Is this a 16-core 32-thread type of a setup?

Also, consider redoing this in linear scale.

Edit: Oddly enough, no? 1 thread per core as per https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/cpu-opti...

swiftcoder•3h ago
> a plateau is hit after 8 threads?

Most of the graphs plateau around 6 threads, for pretty much all the caches under test. I wonder if there is some interesting architectural issue with cache-sharing on this particular platform?

namibj•1h ago
I guess memory controller behavior; especially if it's not set up for parallelism IOPS but for single-threaded throughout (channel interleaving).
everfrustrated•2h ago
g = graviton which doesn't support SMT so 1 vcpu is 1 full core
magnio•4h ago
Anyone knows how Garnet outperforms others so much in pipelining >1 tests while being written in C#?
idoubtit•3h ago
I think the programming language is not relevant, especially since startup time plays no role. A different design can have much more impact, and IIRC Garnet is not fully compatible with Redis.

The main difference appears to be that Garnet is more parallel, according to this student's report of benchmarking various keystores (see the "CPU usage" sections in the PDF) https://www.diva-portal.org/smash/record.jsf?pid=diva2%3A196...

everfrustrated•2h ago
Be good to also include AWS own hosted variants of Elasticache. They do a bunch of tuning as well so the results are likely different vs running the same software on the same Aws instance type too.
namibj•1h ago
I'm sad to see memcached is used with the legacy text protocol instead of the recommended (and supported by the benchmarking software) binary protocol.

That shouldn't be representative of any modern deployments and not even declaring this outside of the code itself is IMO misleading.

Please fix the documentation or better, run that one and update the graphs.

LLM Inevitabilism

https://tomrenner.com/posts/llm-inevitabilism/
1006•SwoopsFromAbove•10h ago•910 comments

Ask HN: Is it time to fork HN into AI/LLM and "Everything else/other?"

27•bookofjoe•15m ago•14 comments

Show HN: I built this to talk Danish to my girlfriend – works with any language

https://menerdu.vercel.app/
78•lil_csom•2d ago•42 comments

Apple's MLX adding CUDA support

https://github.com/ml-explore/mlx/pull/1983
457•nsagent•17h ago•161 comments

Kiro: A new agentic IDE

https://kiro.dev/blog/introducing-kiro/
923•QuinnyPig•1d ago•392 comments

LIGO detects most massive black hole merger to date

https://www.caltech.edu/about/news/ligo-detects-most-massive-black-hole-merger-to-date
309•Eduard•18h ago•164 comments

VHS, VCDs, and Laserdiscs in Southeast Asia

https://rubenerd.com/vcds-and-laserdiscs-in-southeast-asia/
48•mikece•3d ago•25 comments

Show HN: We made our own inference engine for Apple Silicon

https://github.com/trymirai/uzu
27•darkolorin•3h ago•6 comments

Cognition (Devin AI) to Acquire Windsurf

https://cognition.ai/blog/windsurf
452•alazsengul•20h ago•373 comments

Crimson (YC X25) is hiring founding engineers in London

https://www.ycombinator.com/companies/crimson/jobs/kCikzj1-founding-engineer-full-stack
1•markfeldner•3h ago

Literalism plaguing today’s movies

https://www.newyorker.com/culture/critics-notebook/the-new-literalism-plaguing-todays-biggest-movies
114•frogulis•11h ago•161 comments

Cloudflare Starts Blocking Pirate Sites for UK Users

https://torrentfreak.com/cloudflare-starts-blocking-pirate-sites-for-uk-users-thats-a-pretty-big-deal-250715/
19•gloxkiqcza•32m ago•7 comments

Micro Adventure – Space Attack (online emulator)

https://auri-microadventure.azurewebsites.net/
8•AlexeyBrin•2d ago•1 comments

Random selection is necessary to create stable meritocratic institutions

https://assemblingamerica.substack.com/p/there-is-no-meritocracy-without-lottocracy
279•namlem•23h ago•233 comments

SQLite async connection pool for high-performance

https://github.com/slaily/aiosqlitepool
159•slaily•4d ago•65 comments

When Sigterm Does Nothing: A Postgres Mystery

https://clickhouse.com/blog/sigterm-postgres-mystery
71•saisrirampur•10h ago•20 comments

Win, lose, or draw: trends in English football match results

https://blog.engora.com/2025/06/english-football-data.html
15•Vermin2000•3d ago•17 comments

Happy 20th Birthday, Django

https://www.djangoproject.com/weblog/2025/jul/13/happy-20th-birthday-django/
525•davepeck•1d ago•154 comments

Show HN: Bedrock – An 8-bit computing system for running programs anywhere

https://benbridle.com/projects/bedrock.html
175•benbridle•4d ago•40 comments

Context Rot: How increasing input tokens impacts LLM performance

https://research.trychroma.com/context-rot
204•kellyhongsn•19h ago•46 comments

"English Translators of Homer": A Review

https://whatisthequestion.wordpress.com/2025/07/12/english-translators-of-homer-by-simeon-underwood/
3•johngossman•2d ago•3 comments

I Solved the Century-Old Mystery of a Miraculous Shipwreck Survivor

https://thewalrus.ca/empress-of-ireland-survivor-mystery/
83•Thevet•2d ago•42 comments

The Moving Assembly Line Turns 100 (2013)

https://www.assemblymag.com/articles/91581-the-moving-assembly-line-turns-100
8•highfrequency•1h ago•3 comments

VMware Workstation: Bringing Virtualization to the x86 Architecture (2012) [pdf]

https://www.cse.iitb.ac.in/~mythili/virtcc/papers/vmware.pdf
27•todsacerdoti•2d ago•6 comments

The JPEG XL Image Coding History, Features, Coding Tools, Design Rationale

https://arxiv.org/abs/2506.05987
50•ksec•2d ago•22 comments

NeuralOS: An operating system powered by neural networks

https://neural-os.com/
173•yuntian•19h ago•47 comments

Transition to using 16 KB page sizes for Android apps and games

https://android-developers.googleblog.com/2025/07/transition-to-16-kb-page-sizes-android-apps-games-android-studio.html
71•ingve•4d ago•55 comments

AWS Lambda Silent Crash – A Platform Failure, Not an Application Bug [pdf]

https://lyons-den.com/whitepapers/aws-lambda-silent-crash.pdf
96•nonfamous•13h ago•76 comments

Replicube: 3D shader puzzle game, online demo

https://replicube.xyz/staging/
157•inktype•3d ago•23 comments

DEWLine Museum – The Distant Early Warning Radar Line

https://dewlinemuseum.com/
66•reaperducer•16h ago•16 comments