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authorLukas Larsson <[email protected]>2017-10-12 16:00:50 +0200
committerLukas Larsson <[email protected]>2017-11-20 09:57:43 +0100
commita1c796e7f6b86b4b506492ae6354382c565278d1 (patch)
treeb83738b3d313a2c43bdcaf25b555a8c4602492c2 /bootstrap/lib/stdlib/ebin/io_lib_pretty.beam
parent0149a73d15df1f80cb46752ec3829f48c38dd230 (diff)
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erts: Implement batching maps:iterator
This iterator implementation fetches multiple elements to iterate over in one call to erts_internal:maps_next instead of one at a time. This means that the memory usage will go up for the iterator as we are buffering elements, but the usage is still bounded. In this implementation the max memory usage is 1000 words. Using this approach makes the iterator as fast as using maps:to_list, so maps:iterator/2 has been removed.
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