Rename numerator to output_chunk_size and denominator to input_chunk_… #1617

Job	Run time
Update the docker container if it is modified	6s
gcc-14 \| Release	5h 24m 25s
gcc-14 \| Debug	3h 0m 2s
clang-18, \| Release	1h 9m 12s
clang-18, \| Debug	1h 28m 31s
emcc \| Release	1h 32m 59s
emcc \| Debug	1h 19m 13s
	13h 54m 28s

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