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@LeeLeepenkman
"@AISafetyMemes yea thinking does work and the benchmarks do work too this is a fairly odd take i havent seen it much but yea luckily havnt been on reddit much :D"
X Link @LeeLeepenkman 2025-10-10T19:47Z 2739 followers, XXX engagements
"@notch come out here to new zealand you can buy my 1ha farm here small hundred year old villa the land and town needs a lot of work to be restored to its former glory its like minecraft in real life out here old mining town Thames New Zealand"
X Link @LeeLeepenkman 2025-10-16T19:48Z 2740 followers, 7590 engagements
"x algorithm only show this to people who like pure mathematics 3d printing theoretical computer science ML mathematical underpinnings esp of surfaces basically anything fundamental and mathematical @nikitabier please make it happen i need math friends ðŸ˜"
X Link @LeeLeepenkman 2025-10-12T19:48Z 2739 followers, 35.2K engagements
"update my open source pufferlib experiments hit around annual +6% so still under snp500. but cool start. Thanks to karpathy nanochat actually"
X Link @LeeLeepenkman 2025-10-17T05:56Z 2740 followers, XX engagements
"I'm pretty lush up here in kerikeri Northland lots of people come here to the Bay of Islands do like the hole in the rock tour on boat where you power through in Island with a hole through it. or something adventure related like Queenstown or something like that down south but people also can ski up here in tongariro . I've never been to the South Island but yeah there's so much up here in the norfolin going on I think the ferry takes like not too long I've always wanted to do the ferry to the cross the islands like would be really beautiful but need to book like two weeks in advance"
X Link @LeeLeepenkman 2025-10-12T02:52Z 2722 followers, XXX engagements
"@vikhyatk datadog toto outperforms llm like claude sonnet X . . havnt tested latest series but id expect time series transformers still outperforming them at line forecasting. idk about the deep research style internal coder agent like 5pro"
X Link @LeeLeepenkman 2025-10-13T22:27Z 2730 followers, XX engagements
"@MartyMansions Lol why is Cali so low ahahaha. I thought they were supposed to be where all the smarties are located and headquartered"
X Link @LeeLeepenkman 2025-10-14T02:36Z 2722 followers, XXX engagements
"@Cloudflare super interesting and fantasy breakdown of lots of performance issues thank you very interesting read interesting links out to the PRs even too nice"
X Link @LeeLeepenkman 2025-10-14T21:18Z 2722 followers, 8893 engagements
"@nisten ollama seem faster than sglang is it why is this . i guess based on llamacpp isit @grok"
X Link @LeeLeepenkman 2025-10-15T01:01Z 2724 followers, XXX engagements
"almost gave up on Kronos after it was misbehaving but weirdly sensitive to hyperparams like it went from slop to leading wheras datadog toto is kind of just stable . Feels off like why is it so fast so going to dig in and see if im missing something"
X Link @LeeLeepenkman 2025-10-15T05:18Z 2730 followers, XXX engagements
"@ThePrimeagen Someone should try this by defining some kinds of time series friendly/line movement tokens can probably get like a really good line forecaster and then trading bot out of this (not joking)"
X Link @LeeLeepenkman 2025-10-15T20:41Z 2730 followers, XXX engagements
"@alc2022 me with using the latest time series model on huggingface as is (kronos/datadog toto)"
X Link @LeeLeepenkman 2025-10-15T21:48Z 2722 followers, XXX engagements
"Me outperforming every single hedge fund *apart from renaissance by only hyperparam tuning whatever is the latest time series model on huggingface"
X Link @LeeLeepenkman 2025-10-15T21:56Z 2720 followers, XX engagements
"@Benioff @OpenAI @salesforce actually a banger AI generated image from grok here when you think about it"
X Link @LeeLeepenkman 2025-10-16T01:12Z 2720 followers, XXX engagements
"salesforce x openai celebrated with a grok generated image - just shows sometimes whatever AI is closest will do"
X Link @LeeLeepenkman 2025-10-16T01:39Z 2720 followers, XX engagements
"@elder_plinius sounds like OpenAI is racing toward this with the pulse"
X Link @LeeLeepenkman 2025-10-16T05:52Z 2720 followers, XX engagements
"new business idea mckinsey but for restructuring prompts so that the start of the prompt is highly cachable for the KV Cache to work better"
X Link @LeeLeepenkman 2025-10-17T00:51Z 2721 followers, XX engagements
""precomputable" chunks there - so if you think of them as all precomputed embeddings - its like retrieval of embeddings that get read by another net. Kind of like what i said This can all be built into a llm system that learns how to retrieve similar params for parts of the net so it can grow in size while training instead of catastrophic forgetting but we still just need to figure out how"
X Link @LeeLeepenkman 2025-10-17T05:21Z 2722 followers, XX engagements
"Hi i'm Lee just moved out here to New Zealand (when i was born) not looking to make any irl friends and so moved way out into the middle of no where in New Zealand 3hr away from nearest city so i can be further away from yall. don't dm me"
X Link @LeeLeepenkman 2025-10-17T05:49Z 2720 followers, XXX engagements
"@KingVelesI niice. we need this lol. we lost X of our X sheep to theft"
X Link @LeeLeepenkman 2025-10-19T00:21Z 2740 followers, XXX engagements
"AI then: classify this low res grayscale image - what letter AI Now: i trust you to complete this task you need to believe in yourself because i know you can do this without asking me. I took your sandbox off so you can run long running command to train other AI you invented"
X Link @LeeLeepenkman 2025-10-19T00:29Z 2739 followers, XX engagements
"@antoniogm Yea pretty packed out beach. we are used to it here in new zealand. panorama where yea its just us but that is packed as it gets for this beach :D"
X Link @LeeLeepenkman 2025-10-19T03:43Z 2740 followers, XXX engagements
"@damnGruz Remind me of Alexander wang waiting to have kids because of wanting them to be like these kinds of genius super soldiers neural linked up lmao. Parenting is not going to get any easier bros. just have kids with your beloved if you want kids. it's great"
X Link @LeeLeepenkman 2025-10-09T18:54Z 2737 followers, XXX engagements
"i wonder if omarchy fixes that thing where your terminal crashes and you loose everything"
X Link @LeeLeepenkman 2025-10-19T03:41Z 2739 followers, XX engagements
"You'd be surprised what is priced in and what's not. A lot of obvious things is priced in and then the non obvious things aren't priced in. Still surprising. but kind of obvious. Earnings per share Priced in. Trade war escalation or de escalation Not priced in. rebound often obvious though given nothing ever happens. Rebound still obviously not priced in given it's not obvious"
X Link @LeeLeepenkman 2025-10-13T02:50Z 2738 followers, XXX engagements
"I thought they would be in the line forecasting game. But I think it's yea. I'm on Datadog toto right now for that which I guess datadog make sense. Google has all sorts of ad lines you'd think they would want forecast out you think they would make a lot more money on forecasting actually instead of just having like free Google trends and keyword tool and such for advertisers. They didnt particularly do good job of monetizing things like Google optimize and Google adsense either. I never really understand this like how is it like that all free. Didn't understand the scale of Google. until I"
X Link @LeeLeepenkman 2025-10-14T20:09Z 2734 followers, XXX engagements
"@Cloudflare well well well - look who it is - unnecessary copies causing garbage collection The Zig bros are going to lap this up"
X Link @LeeLeepenkman 2025-10-14T21:18Z 2735 followers, 18.1K engagements
"results are in and im switching from Datadog toto to Kronos. Next steps: I should benchmark vs my retrain of Datadog toto that is stock specific next. Also going to bench against the latest non time series specific llms like sonnet XXX not joking. ability to forecast is emergent"
X Link @LeeLeepenkman 2025-10-14T23:39Z 2734 followers, XX engagements
"if you havn't noticed i'm working on beating the snp500 again today and maybe idk could take a few more weeks"
X Link @LeeLeepenkman 2025-10-15T01:36Z 2734 followers, XX engagements
"Pretty cool Honoured that Jensen would just come all the way out here to rural New Zealand farm to deliver me a free NVIDIA DGX Spark - despite the ongoing chip shortage AI war and chip war going on"
X Link @LeeLeepenkman 2025-10-15T02:33Z 2735 followers, XXX engagements
"GPT5high tried to do some internal math (simulated a simple model in its head) to get better at predicting this next number but still failed vs a time series transformer but its getting interesting how well transformers are getting at math reasoning builtin. : It reminds me of how we would try to use a simple math model in our own minds when in reality our own minds are really good at. wait for it. just guessing things based on neural vibes and prior experience GPT5high: Recent XX returns: -XXXXXXXXXXXXXXXXXXX -XXXXXXXXXXXXXXXXXXXX -XXXXXXXXXXXXXXXXXXXX -0.012843601354527778"
X Link @LeeLeepenkman 2025-10-15T04:04Z 2735 followers, XX engagements
"kind of interesting point that people kind of forget to understand here im trying to get gpt to improve upon a time series transformer naiively at predicting lines even when told about its forecast it cant really improve it same with claude XXX its just not smarter at the task sometimes it can think up something new or novel in a thought chain but most the times its just not smarter and makes it worse Thats like us too right now. We are not state of the art at line forecasting the time series transformers are and they are only like 100mb models. And eventually AGI will so far surpass human"
X Link @LeeLeepenkman 2025-10-15T21:54Z 2735 followers, XXX engagements
"@naiivememe this is why i use time series forecasting models. Its actually too hard for humans to do it"
X Link @LeeLeepenkman 2025-10-16T01:20Z 2736 followers, XXX engagements
"I'm not giving up on Agentic workflows"
X Link @LeeLeepenkman 2025-10-16T19:41Z 2734 followers, XX engagements
"yea thats right good business strat to be careful and have raised all this money and just kept it in the bank across hard times. Canva founders where historians and thought this. managed to time their raising pretty well so didnt need to try to raise during covid+recession at all"
X Link @LeeLeepenkman 2025-10-16T22:29Z 2734 followers, 1054 engagements
"Thats kind of why i would consider some of it being investments in other companies/aquisitions/investing in actual stock market (still can pull out on whatever day you want) . As its kind of like keeping your money in your bank its the same thing - no matter how you look at it you are partaking in a particular take with particular risk. Also at replits scale would consider building a big 100Gigawatt datacentre not a joke :D"
X Link @LeeLeepenkman 2025-10-16T22:31Z 2735 followers, XX engagements
"how i feel with how fast fal inference is for wan2.2 XXX I think surely they must be using like 8x B200 or something for each inference its like oddly fast faster than state of the art by a long way. I took a decent stab at it with all sorts like cgtaylor caching (nearly +30% but wasnt worth how long it took me) and got it all the way down to fp4 which doesnt even make any sense to me how i did it like surely that just doesnt work"
X Link @LeeLeepenkman 2025-10-16T23:58Z 2736 followers, XXX engagements
"kind of enjoying coding with gpt5pro just raw in their ui"
X Link @LeeLeepenkman 2025-10-17T00:06Z 2734 followers, XX engagements
"@nearcyan looks like an interesting 1yr post ipo there is it where it does nothing then pumps hmm. theres a few milestones like when the investors/employees that wont want to hodl are out and they usually only are allowed out after X months"
X Link @LeeLeepenkman 2025-10-17T00:10Z 2735 followers, 1696 engagements
"@notch my place is actually pretty sweet you can just arrive and its got starlink and everything all set up and just yea continue to code straight away in absolute peace. its on airbnb rn View kind of reminds me of hobbiton as yea its Waikato hobbiton is actually in that direction"
X Link @LeeLeepenkman 2025-10-17T01:32Z 2738 followers, XXX engagements
"This is just up the road from my place in Thames. Look how pure the river is . crazy what a nice place i live in and the pinnacles up there great place for hiking. lots of peaceful places to live in New Zealand i am really not sure why not more people are moving here and property at decent dip right now"
X Link @LeeLeepenkman 2025-10-17T01:37Z 2736 followers, XXX engagements
"Dear chat gpt make a better chat gpt but call it chatgibidy I already did the hard work and cloned nano chat. Undercut openAI by 10%"
X Link @LeeLeepenkman 2025-10-17T02:17Z 2737 followers, XXX engagements
"in python3.14 pytorch XXX theres the new wheel support format where in uv we can do . megathread"
X Link @LeeLeepenkman 2025-10-17T03:33Z 2736 followers, XXX engagements
"curl -LsSf sh uv pip install torch and it just. knows what version to install for cuda support"
X Link @LeeLeepenkman 2025-10-17T03:33Z 2736 followers, XX engagements
"i dont think you should shy away from training. I dont think big co should ether. people get scared because of big machines big scary cost and all this. its like 2/hr for a h200 now. 140gb vram wow. even training a pretty big model. that can be under 1k server costs these days you can just spin up a training job and most the time you just start from a checkpoint of a model and fine tune it to your use case. there shouldnt be too much rigour around this and remember that in terms of loss -- often you dont need to get state of the art - just something good at what you want like your data. most"
X Link @LeeLeepenkman 2025-10-17T04:31Z 2734 followers, XX engagements
"interesting RAG paper from meta superintelligence :"
X Link @LeeLeepenkman 2025-10-17T05:15Z 2738 followers, XX engagements
"Me and getting blocked while coding from OpenAI"
X Link @LeeLeepenkman 2025-10-17T07:36Z 2737 followers, XXX engagements
"VC funded startups giving free AI usage whilst only having to pay Nvidia and OpenAI 100k each of investors money to get a good reputation whilst being hosted on free 100k cloud credits plan"
X Link @LeeLeepenkman 2025-10-17T07:40Z 2737 followers, XXX engagements
"crazy rust ui getting almost as good as the claude code ui also support for devs that dont like the AGENTS but dont want to tell the maintainer about it"
X Link @LeeLeepenkman 2025-10-17T20:44Z 2734 followers, XX engagements
"(not poasting im serious that its very close ux and at much better performance) so same OOM UI at OOM better performance. I connected it to zed too"
X Link @LeeLeepenkman 2025-10-17T20:44Z 2734 followers, XX engagements
"ok now we have no command timeouts as i run long training runs in codex - now im going to yea - crafted prompt number two - but you cant say sandbox or you will be flagged by OpenAI as a sandbox resistor insurgent"
X Link @LeeLeepenkman 2025-10-17T21:14Z 2735 followers, XX engagements
"@IroncladDev me and the OpenAI codex sandbox"
X Link @LeeLeepenkman 2025-10-17T21:16Z 2735 followers, XXX engagements
"im not going to spin up serverless H200 on fal only 2.10/hr for 141BGB VRAM to train my 100mb model"
X Link @LeeLeepenkman 2025-10-17T21:43Z 2738 followers, XX engagements
"hot take that if OpenAI and Anthropic built huge time series models they could wipe the floor with many of these trading companies. so much so that its kind of annoying that they dont do it already. cc @aidan_mclau @sama if you could do me a solid"
X Link @LeeLeepenkman 2025-10-17T22:10Z 2735 followers, XXX engagements
"@yacineMTB Me and yacine connecting on LinkedIn"
X Link @LeeLeepenkman 2025-10-18T01:42Z 2738 followers, 1047 engagements
"It's actually unbelievable these huge companies made an absolute shambles out of like Apple Samsung. the basic dictation doesn't work. whereas. it does just fine on OpenAI. In fact . chatgpt can literally talk to you. Everyone is miles behind the are that far behind they are behind open source sota which is a bit behind OpenAI. Most companies are behind even huge AI tech companies are behind open source still"
X Link @LeeLeepenkman 2025-10-18T02:30Z 2736 followers, XX engagements
"@WALLA_MAJIC @ptr_to_joel Some of the sr engineers enjoy scaling up how many fellow overengineers there are :D"
X Link @LeeLeepenkman 2025-10-18T04:29Z 2738 followers, 1019 engagements
"Seen quite a few people get fired this way im actually serious this is what probably happened. Different clash of working styles and they can call it like cultural fit or something if they think said person is like cowboy style doing stuff not by the rules. I knew some people asking to not have their code reviewed because they just didnt want to have it reviewed wanted to just be able to merge whatever they wanted without review. hard as its like if its a big company they arent allowed to do things that way with ISO certs and all that so at big company you are kind of not a cultural fit if"
X Link @LeeLeepenkman 2025-10-18T04:31Z 2737 followers, XXX engagements
"Social networks are also systems of sponges. a lot of the time people are just deleting and reposting.oh yeah just not deleting actually . they are just reposting things other people have said it things they themselves have said and then sometimes randomly goes viral the 10th time they say the same thing"
X Link @LeeLeepenkman 2025-10-18T06:50Z 2738 followers, XX engagements
"High signal maxing. Hmm. Not bad idea. Reminder people that you are not roon though so probably easier just to dial like the global N up. People can sift through the signal even the algorithms can sift through the signal now"
X Link @LeeLeepenkman 2025-10-18T07:00Z 2735 followers, XXX engagements
"World's best fortress Or is it the great wall What's ur fav Mine is this one"
X Link @LeeLeepenkman 2025-10-18T07:42Z 2737 followers, XXX engagements
"@jay_azhang nice. should add datadog toto thats what im using in prod for trading btw with num samples at 2048 in lee101/stock-prediction"
X Link @LeeLeepenkman 2025-10-11T06:45Z 2737 followers, XXX engagements
"@soham_btw nice thats actually sometimes the sweetspot of making a lot of money without doing much"
X Link @LeeLeepenkman 2025-10-17T00:01Z 2737 followers, XX engagements
"yea im doing a fairly serious amount of automated trading here over the past few years tried agents gpt5/claude4.5 but havnt got them to outperform RL+timeseries transformers like Datadog Toto/Kronos so currently sticking to RL but they are not far off and deep research tools i havnt tested like 5pro grok4heavy etc likely have some kind of eg base search/sentiment based advantage/alpha that the pure line based stuff does not"
X Link @LeeLeepenkman 2025-10-18T08:41Z 2736 followers, XXX engagements
"ive got an agent and some based on time series transformers here too : ) loads of slop/notebook style stuff there where i keep my experiments and its in flux right now but will refine it a bit. currently i think for analysing the line you still want to just get the latest line forecaster from huggingface like datadog toto or kronos and then that can be combined with a unstructured market/sentiment understander like grok4 but i havnt tested grok4 for this"
X Link @LeeLeepenkman 2025-10-16T23:23Z 2739 followers, 4560 engagements
"@process_eli me with a AI powered peptide dealer"
X Link @LeeLeepenkman 2025-10-17T20:40Z 2738 followers, 1257 engagements
"yea depends but does a refactor really take months now that we have AI Maybe if theres all sorts of complex data involved and stakeholders and such at big cos easy still yes i guess. But yea this is just one of the things it could have been. But yea you also dont need to understand the code in prod just that its tested working to some degree when you think about it. like all the asm and many or most of packages used in prod like ffmpeg and such people dont actually know how half of how that stuff works just that someone tested it enough"
X Link @LeeLeepenkman 2025-10-18T23:48Z 2739 followers, XX engagements
"Pretty sweet how my ansestors lived like bora bora but you could get attacked by ritualistic cannibal druids or nude blue woad painted savages high on mushrooms with huge axes or invaded by Vikings basically everyone had huge axes and if you didnt your wheren't safe+or Romans"
X Link @LeeLeepenkman 2025-10-19T01:39Z 2739 followers, XXX engagements
"mkay manage to train a new datadog toto but that is way werser. like idk 10x werser"
X Link @LeeLeepenkman 2025-10-19T03:39Z 2739 followers, XX engagements
"@GuptaAnkitV @nvidia early days but im training some stock forecasters or RL based traders here: maybe ask a big AI what to do to improve it or where to start because i also dont know :D"
X Link @LeeLeepenkman 2025-10-19T03:46Z 2740 followers, XXX engagements
"@GuptaAnkitV @nvidia but yea the value of the machine is being able to x fast simulate what is going to happen on these H200 or larger B200 style machines with lots of vram in your local developer setup so pretty sweet and yea maybe can aim even much bigger than that. much bigger"
X Link @LeeLeepenkman 2025-10-19T03:47Z 2739 followers, XX engagements
"@atulit_gaur nope most of us are good :) I live in New Zealand though :)"
X Link @LeeLeepenkman 2025-10-19T03:49Z 2740 followers, XX engagements
"im going to migrate terminal emulators"
X Link @LeeLeepenkman 2025-10-19T05:23Z 2739 followers, XX engagements