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Shared lock #250
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knighton
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Shared lock #250
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This is beacuse we use it in StreamingDataset init for coordinating ranks.
Also add a reference to its contained builtin SharedMemory's buf so it can be used as a drop-in replacement.
- use cache_limit argument - cache_usage int64 in shared memory - shard access times in shared memory - shard get_raw/zip/full/persistent_size - StreamingDataset._evict_shard - StreamingDataset._evict_coldest_shard - rewrite StreamingDataset._download_shard - Stream.safe_keep_zip (with local vs remote check)
Co-authored-by: Daniel King <[email protected]>
To prevent a stochastic use-after-free
…o james/shared-lock
Co-authored-by: Daniel King <[email protected]>
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Description of changes:
Implement a shared lock.
Issue #, if available:
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