VowpalWabbit Components

Renames

Some common targets were renamed to match the new consistent style:

• vw-bin -> vw_cli_bin
• vw -> vw_core
• spanning_tree -> vw_spanning_tree_bin

Component descriptions

name	target	type	description	public_deps	private_deps	exceptions
active_interactor	vw_active_interactor_bin	EXECUTABLE	Tool for interacting with active mode reductions			N/A
allreduce	vw_allreduce	STATIC_ONLY	Supporting library for thread or socket based distributed learning	vw_common, vw_io		Yes
c_wrapper	vw_c_wrapper	SHARED_ONLY	Old C API. Cannot convey errors in current interface. Can be disabled using option VW_BUILD_VW_C_WRAPPER		vw_core	Yes, exceptions are thrown across boundary
cli	vw_cli_bin	EXECUTABLE	Primary VW command line interface. The vw executable.		vw_core	N/A
common	vw_common	HEADER_ONLY	Common utilities that are shared by every project. The only dependencies permitted are polyfill/vocabulary types	nonstd::string-view-lite		Yes, also supports VW_NOEXCEPT
config	vw_config	STATIC_ONLY	Option parsing, and command line utilities	vw_common	fmt::fmt	Yes
core	vw_core	STATIC_ONLY	This contains all remaining VW code, all reduction implementations, driver, option handling	vw_common, vw_explore, vw_allreduce, vw_config, spdlog::spdlog, fmt::fmt	dl, Threads::Threads, vw_io, Boost::math, eigen, RapidJSON	Yes
csv_parser	vw_csv_parser	STATIC_ONLY	Parser implementation that reads csv examples. Disabled by default. Enable with VW_FEAT_CSV=ON	vw_common, vw_config, vw_core		Yes
explore	vw_explore	HEADER_ONLY	Utilities for sampling and generating exploration distributions	vw_common		No
io	vw_io	STATIC_ONLY	Utilities for input and output	vw_common, spdlog::spdlog, fmt::fmt	ZLIB::ZLIB	Yes
slim	vw_slim	STATIC_ONLY	Minimal inference only runtime	vw_common, vw_explore		No
spanning_tree	vw_spanning_tree_bin	EXECUTABLE	Command line tool for connecting instances of vw for distributed learning		vw_spanning_tree, vw_common, vw_config	N/A
spanning_tree	vw_spanning_tree	STATIC_ONLY	Supporting code for connecting instances of VW for distributed learning	vw_common	Threads::Threads	Yes
fb_parser	vw_fb_parser	STATIC_ONLY	Parser implementation that reads flatbuffer examples. Disabled by default. Enable with VW_FEAT_FLATBUFFERS=On.	vw_core, fb_generate_headers		Yes

How to generate the above table:

1. Run CMake configure with -DVW_OUPUT_LIB_DESCRIPTIONS=On
2. Pass the generated JSON through this website