Build

Add database-parallel flat search for few-query workloads #5082

Job	Run time
build-pull-request / Linux x86_64 (cmake)	21m 33s
build-pull-request / Format	1m 5s
build-release	0s
build-pull-request / Linux x86_64 GPU w/ cuVS (cmake)	2h 25m 53s
build-pull-request / Linux x86_64 AVX512 (cmake)	33m 55s
build-pull-request / Linux x86_64 AVX2 (cmake)	20m 8s
build-pull-request / Linux arm64 Dynamic Dispatch (cmake)	20m 7s
build-pull-request / Linux x86_64 GPU (cmake)	43m 43s
build-pull-request / Linux x86_64 Dynamic Dispatch (cmake)	26m 5s
build-pull-request / Linux x86_64 (conda)	26m 29s
build-pull-request / Linux arm64 (conda)	1h 45m 27s
build-pull-request / Linux x86_64 w/ SVS (cmake)	22m 15s
build-pull-request / Windows x86_64 (conda)	25m 16s
build-pull-request / Linux x86_64 AVX512_SPR (cmake)	36m 22s
build-pull-request / Linux arm64 SVE (cmake)	23m 18s
build-pull-request / Index serialization backward compatibility / CMake Write -> Conda Read	24m 41s
build-pull-request / Index serialization backward compatibility / Conda Write -> CMake Read	23m 29s
	9h 59m 46s

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