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https://issues.apache.org/jira/browse/ARROW-8970?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Wes McKinney updated ARROW-8970:
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Summary: [C++] Reduce shared library / binary code size (umbrella issue)
(was: [C++] Reduce shared library code size (umbrella issue))
> [C++] Reduce shared library / binary code size (umbrella issue)
> ---------------------------------------------------------------
>
> Key: ARROW-8970
> URL: https://issues.apache.org/jira/browse/ARROW-8970
> Project: Apache Arrow
> Issue Type: Improvement
> Components: C++
> Reporter: Wes McKinney
> Priority: Major
>
> We're reaching a point where we may need to be careful about decisions that
> increase code size:
> * Instantiating too many templates for code that isn't performance sensitive,
> or where some templates may do the same thing (e.g. Int32Type kernels may do
> the same thing as a Date32Type kernel)
> * Inlining functions that don't need to be inline
> Code size tends to correlate also with compilation times, but not always.
> I'll use this umbrella issue to organize issues related to reducing compiled
> code size
> At this moment (2020-05-27), here are the 25 largest object files in a -O2
> build
> {code}
> 524896 src/arrow/CMakeFiles/arrow_objlib.dir/array/builder_dict.cc.o
> 531920 src/arrow/CMakeFiles/arrow_objlib.dir/filesystem/s3fs.cc.o
> 552000 src/arrow/CMakeFiles/arrow_objlib.dir/json/converter.cc.o
> 575920 src/arrow/CMakeFiles/arrow_objlib.dir/csv/converter.cc.o
> 595112
> src/arrow/CMakeFiles/arrow_objlib.dir/compute/kernels/scalar_cast_string.cc.o
> 645728 src/arrow/CMakeFiles/arrow_objlib.dir/type.cc.o
> 683040
> src/arrow/CMakeFiles/arrow_objlib.dir/compute/kernels/scalar_set_lookup.cc.o
> 702232 src/arrow/CMakeFiles/arrow_objlib.dir/ipc/reader.cc.o
> 729912 src/arrow/CMakeFiles/arrow_objlib.dir/tensor/coo_converter.cc.o
> 752776 src/arrow/CMakeFiles/arrow_objlib.dir/tensor/csc_converter.cc.o
> 752776 src/arrow/CMakeFiles/arrow_objlib.dir/tensor/csr_converter.cc.o
> 877680 src/arrow/CMakeFiles/arrow_objlib.dir/array/dict_internal.cc.o
> 885624 src/arrow/CMakeFiles/arrow_objlib.dir/builder.cc.o
> 919072 src/arrow/CMakeFiles/arrow_objlib.dir/scalar.cc.o
> 941776 src/arrow/CMakeFiles/arrow_objlib.dir/ipc/json_internal.cc.o
> 1055248 src/arrow/CMakeFiles/arrow_objlib.dir/ipc/json_simple.cc.o
> 1233304
> src/arrow/CMakeFiles/arrow_objlib.dir/compute/kernels/scalar_compare.cc.o
> 1265160 src/arrow/CMakeFiles/arrow_objlib.dir/sparse_tensor.cc.o
> 1343480 src/arrow/CMakeFiles/arrow_objlib.dir/tensor/csf_converter.cc.o
> 1346928 src/arrow/CMakeFiles/arrow_objlib.dir/array.cc.o
> 1502568
> src/arrow/CMakeFiles/arrow_objlib.dir/compute/kernels/vector_hash.cc.o
> 1609760
> src/arrow/CMakeFiles/arrow_objlib.dir/compute/kernels/scalar_cast_numeric.cc.o
> 1794416 src/arrow/CMakeFiles/arrow_objlib.dir/array/diff.cc.o
> 2759552
> src/arrow/CMakeFiles/arrow_objlib.dir/compute/kernels/vector_filter.cc.o
> 7609432
> src/arrow/CMakeFiles/arrow_objlib.dir/compute/kernels/vector_take.cc.o
> {code}
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