Implement requirements-independent offers cache#3091
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…rements Co-authored-by: aider (bedrock/us.anthropic.claude-sonnet-4-20250514-v1:0) <aider@aider.chat>
…vation handling Co-authored-by: aider (bedrock/us.anthropic.claude-sonnet-4-20250514-v1:0) <aider@aider.chat>
Co-authored-by: aider (bedrock/us.anthropic.claude-sonnet-4-20250514-v1:0) <aider@aider.chat>
Co-authored-by: aider (bedrock/us.anthropic.claude-sonnet-4-20250514-v1:0) <aider@aider.chat>
Co-authored-by: aider (bedrock/us.anthropic.claude-sonnet-4-20250514-v1:0) <aider@aider.chat>
Co-authored-by: aider (bedrock/us.anthropic.claude-sonnet-4-20250514-v1:0) <aider@aider.chat>
…rs method Co-authored-by: aider (bedrock/us.anthropic.claude-sonnet-4-20250514-v1:0) <aider@aider.chat>
jvstme
approved these changes
Sep 12, 2025
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| class {{ backend_name }}Compute( | ||
| # TODO: Choose ComputeWith* classes to extend and implement | ||
| # ComputeWithAllOffersCached, |
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(nit) I think ComputeWithFilteredOffersCached could be a good default for the template, since it works for all backends. Guidance on how to choose between ComputeWithAllOffersCached and ComputeWithFilteredOffersCached could also be helpful, unless we expect to move away from this model before anyone contributes the next backend.
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My idea is to drop ComputeWithFilteredOffersCached soon – all providers should implement requirements-independent cache.
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Part of #3021
This PR reworks how dstack caches backend offers. Common
get_offers_cached()is dropped. For most backends for which offers do not depend on requirements (or offers can be adjusted as in case with disk), it introducesComputeWithAllOffersCachedclass that implements caching of all offers with availability and requirements post-filtering. This allows reusing cache when getting offers for different requirements. For cudo, vastai, kubernetes, the old behavior is preserved viaComputeWithFilteredOffersCached.Upsides:
dstack offeranddstack applybecome quick even when called with different requirements consequently.Downsides:
time dstack apply -b aws --gpu H100goes from ~15s to ~20s,time dstack apply -b gcp --gpu H100goes from ~10s to ~15s.This implementation is for transitioning period. The plan is to experiment with fleet selection logic considering fleet offers, and see if it works well. Then, implement requirements-independent cache for cudo, vastai (requires caching provider's API calls, which currently can be done in gpuhunt only). Then move offers collection into dstack and simplify the code.
Tested offers for all backends except for cloudrift.