Parallel K Core Decomposition Algorithm #14601

Job	Run time
clang format	39s
sanity checks	11s
rustfmt check	10s
python lint check	30s
rust build & test	32m 19s
shell test	4m 57s
clang tidy & clangd diagnostics check	2m 33s
generate binary dataset	22s
clang build & test	0s
webassembly build & test	0s
gcc build & test	0s
code coverage	0s
apple clang build & test	0s
msvc build & test	0s
clang build & test with page_size_log2=${{ matrix.page_size_log2 }}	0s
gcc build & test with asan	0s
gcc build & test in-mem only with various vector size	0s
benchmark	0s
linux extension test	0s
macos extension test	0s
windows extension test	0s
report benchmark result	0s
	41m 41s

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