Inputoptions:-a <file> wrapper architecture file.
-i--inline-architecture-files inline architecture files.
-A <dir> --architecture-dir <dir> add the directory <dir> to the architecture search path.
-I <dir> --import-dir <dir> add the directory <dir> to the libraries search path.
-L <file> --library <file> link with the LLVM module <file>.
Outputoptions:-o <file> the output file.
-e--export-dsp export expanded DSP (with all included libraries).
-uim--user-interface-macros add user interface macro definitions to the output code.
-rnt--rust-no-faustdsp-trait (Rust only) Don’t generate FaustDsp trait implmentation.
-xml generate an XML description file.
-json generate a JSON description file.
-O <dir> --output-dir <dir> specify the relative directory of the generated output code and of additional
generated files (SVG, XML...).
Codegenerationoptions:-lang <lang> --language select output language, `lang' should be c, cpp (default), cmajor, codebox,
csharp, dlang, fir, interp, java, jax, jsfx, julia, llvm, ocpp, rust, sdf3, vhdl or wast/wasm.
-single--single-precision-floats use single precision floats for internal computations (default).
-double--double-precision-floats use double precision floats for internal computations.
-quad--quad-precision-floats use quad precision floats for internal computations.
-fx--fixed-point use fixed-point for internal computations.
-fx-size --fixed-point-size fixed-point number total size in bits (-1 is used to generate a unique
fixpoint_t type).
-es 1|0 --enable-semantics 1|0 use enable semantics when 1 (default), and simple multiplication
otherwise.
-lcc--local-causality-check check causality also at local level.
-light--light-mode do not generate the entire DSP API.
-clang--clang when compiled with clang/clang++, adds specific #pragma for auto-vectorization.
-nvi--no-virtual when compiled with the C++ backend, does not add the `virtual' keyword.
-fp--full-parentheses always add parentheses around binops.
-cir--check-integer-range check float to integer range conversion.
-exp10--generate-exp10 pow(10,x) replaced by possibly faster exp10(x).
-os--one-sample generate one sample computation.
-ec--external-control separated `control' and `compute' functions.
-it--inline-table inline rdtable/rwtable code in the main class.
-cm--compute-mix mix in outputs buffers.
-ct--check-table check rtable/rwtable index range and generate safe access code [0/1: 1 by default].
-cn <name> --class-name <name> specify the name of the dsp class to be used instead of mydsp.
-scn <name> --super-class-name <name> specify the name of the super class to be used instead of dsp.
-pn <name> --process-name <name> specify the name of the dsp entry-point instead of process.
-mcd <n> --max-copy-delay <n> use a copy delay up to max delay <n> and a dense delay above (ocpp only) or
a ring buffer (default 16 samples).
-mdd <n> --max-dense-delay <n> use a dense delay up to max delay <n> (if enough density) and a ring
buffer delay above (ocpp only, default 1024).
-mdy <n> --min-density <n> minimal density (100*number of delays/max delay) to use a dense delays (ocpp
only, default 33).
-dlt <n> --delay-line-threshold <n> use a mask-based ring buffer delays up to max delay <n> and a select
based ring buffers above (default INT_MAX samples).
-mem--memory-manager allocations done using a custom memory manager.
-mem1--memory-manager1 allocations done using a custom memory manager, using the iControl/fControl and
iZone/fZone model.
-mem2--memory-manager2 use iControl/fControl, iZone/fZone model and no explicit memory manager.
-mem3--memory-manager3 use iControl/fControl, iZone/fZone model and no explicit memory manager with
access as function parameters.
-ftz <n> --flush-to-zero <n> code added to recursive signals [0:no (default), 1:fabs based, 2:mask based
(fastest)].
-rui--range-ui whether to generate code to constraint vslider/hslider/nentry values in [min..max] range.
-fui--freeze-ui whether to freeze vslider/hslider/nentry to a given value (init value by default).
-inj <f> --inject <f> inject source file <f> into architecture file instead of compiling a dsp file.
-scal--scalar generate non-vectorized code (default).
-inpl--in-place generates code working when input and output buffers are the same (scalar mode only).
-vec--vectorize generate easier to vectorize code.
-vs <n> --vec-size <n> size of the vector (default 32 samples).
-lv <n> --loop-variant <n> [0:fastest, fixed vector size and a remaining loop (default), 1:simple,
variable vector size, 2:fixed, fixed vector size].
-omp--openmp generate OpenMP pragmas, activates --vectorize option.
-pl--par-loop generate parallel loops in --openmp mode.
-sch--scheduler generate tasks and use a Work Stealing scheduler, activates --vectorize option.
-ocl--opencl generate tasks with OpenCL (experimental).
-cuda--cuda generate tasks with CUDA (experimental).
-dfs--deep-first-scheduling schedule vector loops in deep first order.
-g--group-tasks group single-threaded sequential tasks together when -omp or -sch is used.
-fun--fun-tasks separate tasks code as separated functions (in -vec, -sch, or -omp mode).
-fm <file> --fast-math <file> use optimized versions of mathematical functions implemented in <file>, use
`faust/dsp/fastmath.cpp' when file is `def', assume functions are defined in the architecture file when
file is `arch'.
-mapp--math-approximation simpler/faster versions of `floor/ceil/fmod/remainder' functions.
-noreprc--no-reprc (Rust only) Don’t force dsp struct layout to follow C ABI.
-ns <name> --namespace <name> generate C++ or D code in a namespace <name>.
-vhdl-trace --vhdl-trace activate trace.
-vhdl-float --vhdl-float uses IEEE-754 format for samples instead of fixed point.
-vhdl-components <file> --vhdl-components <file> path to a file describing custom components for the VHDL
backend.
-fpga-mem <n> --fpga-mem <n> FPGA block ram max size, used in -mem1/-mem2 mode.
-wi <n> --widening-iterations <n> number of iterations before widening in signal bounding.
-ni <n> --narrowing-iterations <n> number of iterations before stopping narrowing in signal bounding.
Blockdiagramoptions:-ps--postscript print block-diagram to a postscript file.
-svg--svg print block-diagram to a svg file.
-sd--simplify-diagrams try to further simplify diagrams before drawing.
-drf--draw-route-frame draw route frames instead of simple cables.
-f <n> --fold <n> threshold to activate folding mode during block-diagram generation (default 25
elements).
-fc <n> --fold-complexity <n> complexity threshold to fold an expression in folding mode (default 2).
-mns <n> --max-name-size <n> threshold during block-diagram generation (default 40 char).
-sn--simple-names use simple names (without arguments) during block-diagram generation.
-blur--shadow-blur add a shadow blur to SVG boxes.
-sc--scaled-svg automatic scalable SVG.
Mathdocoptions:-mdoc--mathdoc print math documentation of the Faust program in LaTeX format in a -mdoc folder.
-mdlang <l> --mathdoc-lang <l> if translation file exists (<l> = en, fr, ...).
-stripmdoc--strip-mdoc-tags strip mdoc tags when printing Faust -mdoc listings.
Debugoptions:-d--details print compilation details.
-time--compilation-time display compilation phases timing information.
-flist--file-list print file list (including libraries) used to eval process.
-tg--task-graph print the internal task graph in dot format.
-sg--signal-graph print the internal signal graph in dot format.
-rg--retiming-graph print the internal signal graph after retiming in dot format.
-norm--normalized-form print signals in normalized form and exit.
-norm1--normalized-form1 print signals in normalized form with IDs for shared sub-expressions and exit.
-me--math-exceptions check / for 0 as denominator and remainder, fmod, sqrt, log10, log, acos, asin
functions domain.
-sts--strict-select generate strict code for `selectX' even for stateless branches (both are computed).
-wall--warning-all print all warnings.
-t <sec> --timeout <sec> abort compilation after <sec> seconds (default 120).
Informationoptions:-h--help print this help message.
-v--version print version information and embedded backends list.
-libdir--libdir print directory containing the Faust libraries.
-includedir--includedir print directory containing the Faust headers.
-archdir--archdir print directory containing the Faust architectures.
-dspdir--dspdir print directory containing the Faust dsp libraries.
-pathslist--pathslist print the architectures and dsp library paths.
Environmentvariables:
FAUST_DEBUG = FAUST_LLVM1 print LLVM IR before optimisation.
FAUST_DEBUG = FAUST_LLVM2 print LLVM IR after optimisation.
FAUST_DEBUG = FIR_PRINTER print FIR after generation.
FAUST_DEBUG = FAUST_LLVM_NO_FM deactivate fast-math optimisation in LLVM IR.
FAUST_OPT = FAUST_SIG_NO_NORM deactivate signal normalisation.
Example:
faust -a jack-gtk.cpp -o myfx.cpp myfx.dsp
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