Support Cache Class for New Versions of Transformers Library #1341
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…#1341) Summary: Pull Request resolved: pytorch#1341 Fixes D62210529 (now reverted by D62262760). Transformers library is now an optional dependency. We do not depend on it, however, we have some logic for `transformers` models here. The library will only be imported if a model already has the library in the corresponding environment. This TARGETS configuration prevents transformers version conflicts which e.g. caused T200877742. Add support for new transformers Cache objects. This may need changes in the future as it seems that LLMs handle Caching differently. Some handle Caching themselves, however, some of them do not and some of them don't support Caches yet. Llama models seem to have a `_supports_cache_class` flag that indicates whether this new Cache object is supported. If it isn't marked as supported, we assume it takes legacy format (tuple past values). Multiple checks added to ensure compatibility. (minor) Also, changed the defaults for LLM generation to dismiss warnings (does not change generation behavior). Differential Revision: D62408520
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…#1341) Summary: Pull Request resolved: pytorch#1341 Fixes D62210529 (now reverted by D62262760). Transformers library is now an optional dependency. We do not depend on it, however, we have some logic for `transformers` models here. The library will only be imported if a model already has the library in the corresponding environment. This TARGETS configuration prevents transformers version conflicts which e.g. caused T200877742. Add support for new transformers Cache objects. This may need changes in the future as it seems that LLMs handle Caching differently. Some handle Caching themselves, however, some of them do not and some of them don't support Caches yet. Llama models seem to have a `_supports_cache_class` flag that indicates whether this new Cache object is supported. If it isn't marked as supported, we assume it takes legacy format (tuple past values). Multiple checks added to ensure compatibility. (minor) Also, changed the defaults for LLM generation to dismiss warnings (does not change generation behavior). Differential Revision: D62408520
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…#1341) Summary: Pull Request resolved: pytorch#1341 Fixes D62210529 (now reverted by D62262760). Transformers library is now an optional dependency. We do not depend on it, however, we have some logic for `transformers` models here. The library will only be imported if a model already has the library in the corresponding environment. This TARGETS configuration prevents transformers version conflicts which e.g. caused T200877742. Add support for new transformers Cache objects. This may need changes in the future as it seems that LLMs handle Caching differently. Some handle Caching themselves, however, some of them do not and some of them don't support Caches yet. Llama models seem to have a `_supports_cache_class` flag that indicates whether this new Cache object is supported. If it isn't marked as supported, we assume it takes legacy format (tuple past values). Multiple checks added to ensure compatibility. (minor) Also, changed the defaults for LLM generation to dismiss warnings (does not change generation behavior). Differential Revision: D62408520
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…#1341) Summary: Pull Request resolved: pytorch#1341 Fixes D62210529 (now reverted by D62262760). Transformers library is now an optional dependency. We do not depend on it, however, we have some logic for `transformers` models here. The library will only be imported if a model already has the library in the corresponding environment. This TARGETS configuration prevents transformers version conflicts which e.g. caused T200877742. Add support for new transformers Cache objects. This may need changes in the future as it seems that LLMs handle Caching differently. Some handle Caching themselves, however, some of them do not and some of them don't support Caches yet. Llama models seem to have a `_supports_cache_class` flag that indicates whether this new Cache object is supported. If it isn't marked as supported, we assume it takes legacy format (tuple past values). Multiple checks added to ensure compatibility. (minor) Also, changed the defaults for LLM generation to dismiss warnings (does not change generation behavior). Differential Revision: D62408520
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…#1341) Summary: Pull Request resolved: pytorch#1341 Fixes D62210529 (now reverted by D62262760). Transformers library is now an optional dependency. We do not depend on it, however, we have some logic for `transformers` models here. The library will only be imported if a model already has the library in the corresponding environment. This TARGETS configuration prevents transformers version conflicts which e.g. caused T200877742. Add support for new transformers Cache objects. This may need changes in the future as it seems that LLMs handle Caching differently. Some handle Caching themselves, however, some of them do not and some of them don't support Caches yet. Llama models seem to have a `_supports_cache_class` flag that indicates whether this new Cache object is supported. If it isn't marked as supported, we assume it takes legacy format (tuple past values). Multiple checks added to ensure compatibility. (minor) Also, changed the defaults for LLM generation to dismiss warnings (does not change generation behavior). Differential Revision: D62408520
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…#1341) Summary: Pull Request resolved: pytorch#1341 Fixes D62210529 (now reverted by D62262760). Transformers library is now an optional dependency. We do not depend on it, however, we have some logic for `transformers` models here. The library will only be imported if a model already has the library in the corresponding environment. This TARGETS configuration prevents transformers version conflicts which e.g. caused T200877742. Add support for new transformers Cache objects. This may need changes in the future as it seems that LLMs handle Caching differently. Some handle Caching themselves, however, some of them do not and some of them don't support Caches yet. Llama models seem to have a `_supports_cache_class` flag that indicates whether this new Cache object is supported. If it isn't marked as supported, we assume it takes legacy format (tuple past values). Multiple checks added to ensure compatibility. (minor) Also, changed the defaults for LLM generation to dismiss warnings (does not change generation behavior). Differential Revision: D62408520
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…#1341) Summary: Pull Request resolved: pytorch#1341 Fixes D62210529 (now reverted by D62262760). Transformers library is now an optional dependency. We do not depend on it, however, we have some logic for `transformers` models here. The library will only be imported if a model already has the library in the corresponding environment. This TARGETS configuration prevents transformers version conflicts which e.g. caused T200877742. Add support for new transformers Cache objects. This may need changes in the future as it seems that LLMs handle Caching differently. Some handle Caching themselves, however, some of them do not and some of them don't support Caches yet. Llama models seem to have a `_supports_cache_class` flag that indicates whether this new Cache object is supported. If it isn't marked as supported, we assume it takes legacy format (tuple past values). Multiple checks added to ensure compatibility. (minor) Also, changed the defaults for LLM generation to dismiss warnings (does not change generation behavior). Differential Revision: D62408520
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…#1341) Summary: Pull Request resolved: pytorch#1341 Fixes D62210529 (now reverted by D62262760). Transformers library is now an optional dependency. We do not depend on it, however, we have some logic for `transformers` models here. The library will only be imported if a model already has the library in the corresponding environment. This TARGETS configuration prevents transformers version conflicts which e.g. caused T200877742. Add support for new transformers Cache objects. This may need changes in the future as it seems that LLMs handle Caching differently. Some handle Caching themselves, however, some of them do not and some of them don't support Caches yet. Llama models seem to have a `_supports_cache_class` flag that indicates whether this new Cache object is supported. If it isn't marked as supported, we assume it takes legacy format (tuple past values). Multiple checks added to ensure compatibility. (minor) Also, changed the defaults for LLM generation to dismiss warnings (does not change generation behavior). Differential Revision: D62408520
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…#1341) Summary: Pull Request resolved: pytorch#1341 Fixes D62210529 (now reverted by D62262760). Transformers library is now an optional dependency. We do not depend on it, however, we have some logic for `transformers` models here. The library will only be imported if a model already has the library in the corresponding environment. This TARGETS configuration prevents transformers version conflicts which e.g. caused T200877742. Add support for new transformers Cache objects. This may need changes in the future as it seems that LLMs handle Caching differently. Some handle Caching themselves, however, some of them do not and some of them don't support Caches yet. Llama models seem to have a `_supports_cache_class` flag that indicates whether this new Cache object is supported. If it isn't marked as supported, we assume it takes legacy format (tuple past values). Multiple checks added to ensure compatibility. (minor) Also, changed the defaults for LLM generation to dismiss warnings (does not change generation behavior). Differential Revision: D62408520
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Summary:
Fixes D62210529 (now reverted by D62262760). Transformers library is now an optional dependency. We do not depend on it, however, we have some logic for
transformersmodels here. The library will only be imported if a model already has the library in the corresponding environment. This TARGETS configuration prevents transformers version conflicts which e.g. caused T200877742.Add support for new transformers Cache objects. This may need changes in the future as it seems that LLMs handle Caching differently. Some handle Caching themselves, however, some of them do not and some of them don't support Caches yet. Llama models seem to have a
_supports_cache_classflag that indicates whether this new Cache object is supported. If it isn't marked as supported, we assume it takes legacy format (tuple past values). Multiple checks added to ensure compatibility.(minor) Also, changed the defaults for LLM generation to dismiss warnings (does not change generation behavior).
Differential Revision: D62408520