{"schema_version":"onlylabs.public_signal.v1","title":"Upstage (Solar) Fork: UpstageAI/tensorizer","description":"Upstage (Solar) fork signal with public source context, captured evidence pages, related signals, and category-scoped analysis context.","url":"https://onlylabs.fyi/signals/8bc579b2-237e-454c-93f9-75fa94659122","json_url":"https://onlylabs.fyi/signals/8bc579b2-237e-454c-93f9-75fa94659122/signal.json","generated_at":"2026-06-11T02:54:27.132612+00:00","org":{"slug":"upstage","name":"Upstage (Solar)","category":"neolab","category_label":"Neolab","dossier_url":"https://onlylabs.fyi/labs/upstage","dossier_json_url":"https://onlylabs.fyi/labs/upstage/dossier.json"},"related_urls":{"signal":"https://onlylabs.fyi/signals/8bc579b2-237e-454c-93f9-75fa94659122","signal_json":"https://onlylabs.fyi/signals/8bc579b2-237e-454c-93f9-75fa94659122/signal.json","source":"https://github.com/UpstageAI/tensorizer","lab_dossier":"https://onlylabs.fyi/labs/upstage","lab_dossier_json":"https://onlylabs.fyi/labs/upstage/dossier.json","analysis":"https://onlylabs.fyi/analysis/upstage","analysis_json":"https://onlylabs.fyi/analysis/upstage/analysis.json","analysis_evidence_json":"https://onlylabs.fyi/analysis/upstage/evidence.json","category":"https://onlylabs.fyi/neolabs","category_json":"https://onlylabs.fyi/neolabs.json","category_feed":"https://onlylabs.fyi/neolabs/feed.xml","category_signals_json":"https://onlylabs.fyi/signals.json?category=neolab","topic":"https://onlylabs.fyi/topics/forks","topic_signals_json":"https://onlylabs.fyi/topics/forks/signals.json?category=neolab","topic_feed":"https://onlylabs.fyi/topics/forks/feed.xml?category=neolab","data_business":null},"answer_pack":{"answer":"Upstage (Solar) forked UpstageAI/tensorizer (forked from coreweave/tensorizer). This fork signal points to upstream code the lab may be inspecting, patching, or building on. High-signal details: repo UpstageAI/tensorizer · parent coreweave/tensorizer · Routine fork of an unremarkable repo.. onlylabs links this event to 1 captured evidence page and 6 related fork signals.","signal_desk":"forks","source_context":{"source_url":"https://github.com/UpstageAI/tensorizer","source_host":"github.com","occurred_at":"2025-01-17T07:12:34+00:00","first_seen_at":"2026-06-05T22:32:23.278679+00:00","date_source":"source","context":"forked from coreweave/tensorizer"},"context_markers":[{"label":"Lab","value":"Upstage (Solar)","source":"signal"},{"label":"Signal desk","value":"forks","source":"signal"},{"label":"Source host","value":"github.com","source":"source"},{"label":"Repository","value":"UpstageAI/tensorizer","source":"source"},{"label":"Parent","value":"coreweave/tensorizer","source":"source"},{"label":"Notability","value":"Routine fork of an unremarkable repo.","source":"signal"},{"label":"Watch term","value":"Eval methodology","source":"evidence"},{"label":"Watch term","value":"Infrastructure","source":"evidence"}],"evidence_coverage":{"target_pages":1,"captured_pages":1,"readable_pages":1,"capture_methods":["plain"],"missing_page_urls":[],"failed_page_urls":[],"blocked_page_urls":[],"page_urls":["https://github.com/UpstageAI/tensorizer"],"related_signals":6,"has_source_url":true,"latest_page_fetched_at":"2026-06-11T02:54:27.132612+00:00"},"data_business":{"matches":false,"lanes":[],"matched_terms":[],"score":null,"reason":null},"agent_handoff":{"signal_json":"https://onlylabs.fyi/signals/8bc579b2-237e-454c-93f9-75fa94659122/signal.json","dossier_json":"https://onlylabs.fyi/labs/upstage/dossier.json","analysis_json":"https://onlylabs.fyi/analysis/upstage/analysis.json","analysis_evidence_json":"https://onlylabs.fyi/analysis/upstage/evidence.json","topic_signals_json":"https://onlylabs.fyi/topics/forks/signals.json?category=neolab","topic_feed":"https://onlylabs.fyi/topics/forks/feed.xml?category=neolab","category_signals_json":"https://onlylabs.fyi/signals.json?category=neolab","data_radar_json":null,"opportunities_json":null},"analysis_playbook":{"objective":"Turn fork activity into a map of upstream tools, libraries, model utilities, agent frameworks, and research dependencies being inspected or adapted.","evidence_focus":["forked parent repo","repo owner","language","description","stars","org and recency"],"extraction_questions":["Which upstream projects are repeated across labs?","Which forks point to evals, agents, infrastructure, model tooling, or data pipelines?","Which low-profile forks could precede a release or hiring wave?","Which labs are converging on the same technical adjacency?"],"signal_questions":["What upstream dependency or technical adjacency does this fork reveal?","Which upstream projects are repeated across labs?","Which forks point to evals, agents, infrastructure, model tooling, or data pipelines?","Do the 6 related fork signals show a repeated pattern?"],"output_fields":["org","upstream_repo","language","technical_theme","evidence_url"],"data_business_relevance":"Data-business lane extraction is scoped to frontier labs; for this category, keep conclusions tied to category-specific strategy, source evidence, and follow-up questions.","required_sources":[{"label":"signal_json","url":"https://onlylabs.fyi/signals/8bc579b2-237e-454c-93f9-75fa94659122/signal.json","required":true},{"label":"source","url":"https://github.com/UpstageAI/tensorizer","required":true},{"label":"dossier_json","url":"https://onlylabs.fyi/labs/upstage/dossier.json","required":true},{"label":"analysis_evidence_json","url":"https://onlylabs.fyi/analysis/upstage/evidence.json","required":true},{"label":"topic_signals_json","url":"https://onlylabs.fyi/topics/forks/signals.json?category=neolab","required":false},{"label":"data_radar_json","url":null,"required":false}],"expected_output":["one-paragraph source-grounded interpretation","category-specific implication","confidence and missing evidence","recommended next source to inspect"],"prompt_seed":"Using only the linked onlylabs JSON, captured source context, and cited evidence, analyze Upstage (Solar)'s fork signal \"UpstageAI/tensorizer\" for neolab strategy."},"semantic_triples":[{"subject":"Upstage (Solar)","predicate":"forked","object":"UpstageAI/tensorizer","text":"Upstage (Solar) forked UpstageAI/tensorizer."},{"subject":"UpstageAI/tensorizer","predicate":"is classified as","object":"fork signal","text":"UpstageAI/tensorizer is classified as fork signal."},{"subject":"UpstageAI/tensorizer","predicate":"belongs to","object":"forks desk","text":"UpstageAI/tensorizer belongs to forks desk."},{"subject":"UpstageAI/tensorizer","predicate":"has context","object":"forked from coreweave/tensorizer","text":"UpstageAI/tensorizer has context forked from coreweave/tensorizer."},{"subject":"UpstageAI/tensorizer","predicate":"has evidence coverage","object":"1 captured evidence page","text":"UpstageAI/tensorizer has evidence coverage 1 captured evidence page."},{"subject":"UpstageAI/tensorizer","predicate":"has captured page count","object":"1","text":"UpstageAI/tensorizer has captured page count 1."},{"subject":"UpstageAI/tensorizer","predicate":"has readable page count","object":"1","text":"UpstageAI/tensorizer has readable page count 1."},{"subject":"UpstageAI/tensorizer","predicate":"has related signal count","object":"6","text":"UpstageAI/tensorizer has related signal count 6."},{"subject":"UpstageAI/tensorizer","predicate":"has analysis playbook objective","object":"Turn fork activity into a map of upstream tools, libraries, model utilities, agent frameworks, and research dependencies being inspected or adapted.","text":"UpstageAI/tensorizer has analysis playbook objective Turn fork activity into a map of upstream tools, libraries, model utilities, agent frameworks, and research dependencies being inspected or adapted.."},{"subject":"UpstageAI/tensorizer","predicate":"has source host","object":"github.com","text":"UpstageAI/tensorizer has source host github.com."},{"subject":"UpstageAI/tensorizer","predicate":"has lab","object":"Upstage (Solar)","text":"UpstageAI/tensorizer has lab Upstage (Solar)."},{"subject":"UpstageAI/tensorizer","predicate":"has signal desk","object":"forks","text":"UpstageAI/tensorizer has signal desk forks."},{"subject":"UpstageAI/tensorizer","predicate":"has source host","object":"github.com","text":"UpstageAI/tensorizer has source host github.com."},{"subject":"UpstageAI/tensorizer","predicate":"has repository","object":"UpstageAI/tensorizer","text":"UpstageAI/tensorizer has repository UpstageAI/tensorizer."},{"subject":"UpstageAI/tensorizer","predicate":"has parent","object":"coreweave/tensorizer","text":"UpstageAI/tensorizer has parent coreweave/tensorizer."},{"subject":"UpstageAI/tensorizer","predicate":"has notability","object":"Routine fork of an unremarkable repo.","text":"UpstageAI/tensorizer has notability Routine fork of an unremarkable repo.."},{"subject":"UpstageAI/tensorizer","predicate":"has watch term","object":"Eval methodology","text":"UpstageAI/tensorizer has watch term Eval methodology."},{"subject":"UpstageAI/tensorizer","predicate":"has watch term","object":"Infrastructure","text":"UpstageAI/tensorizer has watch term Infrastructure."}]},"intelligence":{"signal_desk":"forks","answer":"Upstage (Solar) forked UpstageAI/tensorizer (forked from coreweave/tensorizer). This fork signal points to upstream code the lab may be inspecting, patching, or building on. High-signal details: repo UpstageAI/tensorizer · parent coreweave/tensorizer · Routine fork of an unremarkable repo.. onlylabs links this event to 1 captured evidence page and 6 related fork signals.","semantic_triples":[{"subject":"Upstage (Solar)","predicate":"forked","object":"UpstageAI/tensorizer","text":"Upstage (Solar) forked UpstageAI/tensorizer."},{"subject":"UpstageAI/tensorizer","predicate":"is classified as","object":"fork signal","text":"UpstageAI/tensorizer is classified as fork signal."},{"subject":"UpstageAI/tensorizer","predicate":"belongs to","object":"forks desk","text":"UpstageAI/tensorizer belongs to forks desk."},{"subject":"UpstageAI/tensorizer","predicate":"has context","object":"forked from coreweave/tensorizer","text":"UpstageAI/tensorizer has context forked from coreweave/tensorizer."},{"subject":"UpstageAI/tensorizer","predicate":"has evidence coverage","object":"1 captured evidence page","text":"UpstageAI/tensorizer has evidence coverage 1 captured evidence page."}]},"signal":{"id":"8bc579b2-237e-454c-93f9-75fa94659122","url":"https://onlylabs.fyi/signals/8bc579b2-237e-454c-93f9-75fa94659122","json_url":"https://onlylabs.fyi/signals/8bc579b2-237e-454c-93f9-75fa94659122/signal.json","source_url":"https://github.com/UpstageAI/tensorizer","title":"UpstageAI/tensorizer","summary":"Upstage (Solar) forked upstream code. onlylabs watches forks for tooling, infrastructure, research dependencies, and product-adjacent work.","context":"forked from coreweave/tensorizer","kind":{"key":"repo_forked","label":"Fork"},"org":{"slug":"upstage","name":"Upstage (Solar)","category":"neolab"},"occurred_at":"2025-01-17T07:12:34+00:00","first_seen_at":"2026-06-05T22:32:23.278679+00:00","date_source":"source","evidence_coverage":{"target_pages":1,"captured_pages":1,"readable_pages":1,"capture_methods":["plain"],"missing_page_urls":[],"failed_page_urls":[],"blocked_page_urls":[],"page_urls":["https://github.com/UpstageAI/tensorizer"]},"facets":{"repo":"UpstageAI/tensorizer","parent":"coreweave/tensorizer"},"traction":{"github_stars":0,"hn_points":null,"hn_comments":null,"hn_story_id":null,"hf_downloads":null,"hf_likes":null},"data_radar":null},"primary_evidence_page":{"url":"https://github.com/UpstageAI/tensorizer","final_url":"https://github.com/UpstageAI/tensorizer","title":"UpstageAI/tensorizer repository metadata","http_status":200,"content_type":"application/json","capture_method":"plain","fetched_at":"2026-06-11T02:54:27.132612+00:00","bytes":52247,"raw_path":"703830bdea7d81b250d189ef5362df925b53e82e6ec3c4b7ab76be774d48f4cd.json","content_hash":"70225128a0363e1f5c3c2e4faf53baeb71a954ad5ce0c4f2abb5b6161f5bda92","excerpt_chars":1200,"truncated":true,"excerpt":"UpstageAI/tensorizer Description: Module, Model, and Tensor Serialization/Deserialization Language: Python License: MIT Stars: 0 Forks: 0 Open issues: 1 Created: 2025-01-17T07:12:34Z Pushed: 2025-12-02T08:49:28Z Default branch: main Fork: yes Parent repository: coreweave/tensorizer Archived: no README: tensorizer Module, Model, and Tensor Serialization/Deserialization TLDR Extremely fast model loads from HTTP/HTTPS, Redis, and S3 endpoints. GPT-J (`20GB`) loads at wire-speed (`~5GB/s`) on a 40GbE network, and is only bottlenecked by the Linux kernel TCP stack. Rationale CoreWeave and our customers use KNative to deploy models as serverless functions. How long a model takes to load is a major factor in the latency of KNative scale-up. `tensorizer` is a tool to serialize models and their associated tensors into a single file that can be loaded quickly and efficiently off an HTTP/HTTPS or S3 endpoint. By not embedding the model in the container image, we can reduce the container image size and the time it takes to load the model. This is especially important for models that are large in size, such as [EleutherAI/gpt-neox-20B](https://huggingface.co/EleutherAI/gpt-neox-20B) that..."},"evidence_pages":[{"url":"https://github.com/UpstageAI/tensorizer","final_url":"https://github.com/UpstageAI/tensorizer","title":"UpstageAI/tensorizer repository metadata","http_status":200,"content_type":"application/json","capture_method":"plain","fetched_at":"2026-06-11T02:54:27.132612+00:00","bytes":52247,"raw_path":"703830bdea7d81b250d189ef5362df925b53e82e6ec3c4b7ab76be774d48f4cd.json","content_hash":"70225128a0363e1f5c3c2e4faf53baeb71a954ad5ce0c4f2abb5b6161f5bda92","excerpt_chars":1200,"truncated":true,"excerpt":"UpstageAI/tensorizer Description: Module, Model, and Tensor Serialization/Deserialization Language: Python License: MIT Stars: 0 Forks: 0 Open issues: 1 Created: 2025-01-17T07:12:34Z Pushed: 2025-12-02T08:49:28Z Default branch: main Fork: yes Parent repository: coreweave/tensorizer Archived: no README: tensorizer Module, Model, and Tensor Serialization/Deserialization TLDR Extremely fast model loads from HTTP/HTTPS, Redis, and S3 endpoints. GPT-J (`20GB`) loads at wire-speed (`~5GB/s`) on a 40GbE network, and is only bottlenecked by the Linux kernel TCP stack. Rationale CoreWeave and our customers use KNative to deploy models as serverless functions. How long a model takes to load is a major factor in the latency of KNative scale-up. `tensorizer` is a tool to serialize models and their associated tensors into a single file that can be loaded quickly and efficiently off an HTTP/HTTPS or S3 endpoint. By not embedding the model in the container image, we can reduce the container image size and the time it takes to load the model. This is especially important for models that are large in size, such as [EleutherAI/gpt-neox-20B](https://huggingface.co/EleutherAI/gpt-neox-20B) that..."}],"related_signals":[{"id":"559043f9-080e-4c7f-9629-6db81b6f7215","url":"https://onlylabs.fyi/signals/559043f9-080e-4c7f-9629-6db81b6f7215","source_url":"https://github.com/UpstageAI/hermes-agent","title":"UpstageAI/hermes-agent","context":"forked from NousResearch/hermes-agent","kind":{"key":"repo_forked","label":"Fork"},"org":{"slug":"upstage","name":"Upstage (Solar)","category":"neolab"},"occurred_at":"2026-06-08T02:36:18+00:00","first_seen_at":"2026-06-08T07:01:17.823748+00:00","date_source":"source"},{"id":"df5240f5-a7c7-4253-85e9-512bcba041d9","url":"https://onlylabs.fyi/signals/df5240f5-a7c7-4253-85e9-512bcba041d9","source_url":"https://github.com/UpstageAI/opencode","title":"UpstageAI/opencode","context":"forked from anomalyco/opencode","kind":{"key":"repo_forked","label":"Fork"},"org":{"slug":"upstage","name":"Upstage (Solar)","category":"neolab"},"occurred_at":"2026-02-22T20:57:19+00:00","first_seen_at":"2026-06-05T22:32:23.278679+00:00","date_source":"source"},{"id":"96714acf-bfc6-4f25-ad4d-dcb3e019eaae","url":"https://onlylabs.fyi/signals/96714acf-bfc6-4f25-ad4d-dcb3e019eaae","source_url":"https://github.com/UpstageAI/Gym","title":"UpstageAI/Gym","context":"forked from NVIDIA-NeMo/Gym","kind":{"key":"repo_forked","label":"Fork"},"org":{"slug":"upstage","name":"Upstage (Solar)","category":"neolab"},"occurred_at":"2026-01-31T02:52:48+00:00","first_seen_at":"2026-06-05T22:32:23.278679+00:00","date_source":"source"},{"id":"00a08825-977b-40e9-86f7-9d88226a2434","url":"https://onlylabs.fyi/signals/00a08825-977b-40e9-86f7-9d88226a2434","source_url":"https://github.com/UpstageAI/transformers","title":"UpstageAI/transformers","context":"forked from huggingface/transformers","kind":{"key":"repo_forked","label":"Fork"},"org":{"slug":"upstage","name":"Upstage (Solar)","category":"neolab"},"occurred_at":"2026-01-09T02:49:16+00:00","first_seen_at":"2026-06-05T22:32:23.278679+00:00","date_source":"source"},{"id":"176d8916-1297-4814-bdbc-81b010962da6","url":"https://onlylabs.fyi/signals/176d8916-1297-4814-bdbc-81b010962da6","source_url":"https://github.com/UpstageAI/vllm","title":"UpstageAI/vllm","context":"forked from vllm-project/vllm","kind":{"key":"repo_forked","label":"Fork"},"org":{"slug":"upstage","name":"Upstage (Solar)","category":"neolab"},"occurred_at":"2025-12-29T06:50:24+00:00","first_seen_at":"2026-06-05T22:32:23.278679+00:00","date_source":"source"},{"id":"8a7d4f11-8520-44a7-94c7-2f6a61bb7e34","url":"https://onlylabs.fyi/signals/8a7d4f11-8520-44a7-94c7-2f6a61bb7e34","source_url":"https://github.com/UpstageAI/tau2-bench","title":"UpstageAI/tau2-bench","context":"forked from sierra-research/tau2-bench","kind":{"key":"repo_forked","label":"Fork"},"org":{"slug":"upstage","name":"Upstage (Solar)","category":"neolab"},"occurred_at":"2025-08-07T05:50:18+00:00","first_seen_at":"2026-06-05T22:32:23.278679+00:00","date_source":"source"}]}