should '--server-nodes' be '--server_nodes' in dmlc_yarn.py? about difacto_dmlc HOT 8 CLOSED

Writeed InverseBytes according to ReverseBytes
inline uint64_t InverseBytes(uint64_t x) { x = (x & 0x0F0F0F0F0F0F0F0FULL) << 4 | (x & 0xF0F0F0F0F0F0F0F0ULL) >> 4; x = (x & 0x00FF00FF00FF00FFULL) << 8 | (x & 0xFF00FF00FF00FF00ULL) >> 8; x = (x & 0x0000FFFF0000FFFFULL) << 16 | (x & 0xFFFF0000FFFF0000ULL) >> 16; x = x << 32 | x >> 32; return x; }
-- ignore this, we can just using ReverseBytes funtion again to inverse.

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@RockWater both can be ok

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@RockWater check issues8
you can use -max_key if you know your max key of feature id or write a inverse function for ReverseBytes in dump.cc as @Lisz1024 did :)

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@CNevd Txs. By the way, how to get the key id from the original feature id by some hashing trick ? Would like to get the pair of (feature id ,value ) rather than (key ,value) as exported by the model.

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@qian2729 great job! Could you send a pr for this?

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@CNevd @qian2729 many thanks.

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@CNevd @RockWater In fact, we don't need to write new inverse bytes function to remap new feature id to original feature id, just using ReverseBytes function(at src/base/localizer.h) at new feature id again, we can got the original feature id. [Tested]

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dump,cc has supported inverse bytes function, will close this issue

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