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InstructionFetchChip

sp1_core_machine::program

Struct InstructionFetchChip 

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pub struct InstructionFetchChip;
Expand description

A chip that implements instruction fetching from memory.

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impl InstructionFetchChip

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pub const fn new() -> Self

Trait Implementations§

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impl<AB> Air<AB> for InstructionFetchChip
where AB: SP1CoreAirBuilder,

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fn eval(&self, builder: &mut AB)

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impl<F> BaseAir<F> for InstructionFetchChip

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fn width(&self) -> usize

The number of columns (a.k.a. registers) in this AIR.
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fn preprocessed_trace(&self) -> Option<DenseMatrix<F>>

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impl Default for InstructionFetchChip

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fn default() -> InstructionFetchChip

Returns the “default value” for a type. Read more
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impl<F: PrimeField32> MachineAir<F> for InstructionFetchChip

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type Record = ExecutionRecord

The execution record containing events for producing the air trace.
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type Program = Program

The program that defines the control flow of the machine.
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fn name(&self) -> &'static str

A unique identifier for this AIR as part of a machine.
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fn generate_dependencies( &self, input: &ExecutionRecord, output: &mut ExecutionRecord, )

Generate the dependencies for a given execution record.
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fn generate_trace_into( &self, input: &ExecutionRecord, _output: &mut ExecutionRecord, buffer: &mut [MaybeUninit<F>], )

Generate the trace into a slice of MaybeUninit<F>.
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fn included(&self, shard: &Self::Record) -> bool

Whether this execution record contains events for this air.
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fn num_rows(&self, input: &Self::Record) -> Option<usize>

The number of rows in the trace, if the chip is included. Read more
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fn generate_trace( &self, input: &Self::Record, output: &mut Self::Record, ) -> DenseMatrix<F>

Generate the trace for a given execution record. Read more
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fn preprocessed_width(&self) -> usize

The width of the preprocessed trace.
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fn preprocessed_num_rows(&self, _program: &Self::Program) -> Option<usize>

The number of rows in the preprocessed trace
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fn preprocessed_num_rows_with_instrs_len( &self, _program: &Self::Program, _instrs_len: usize, ) -> Option<usize>

The number of rows in the preprocessed trace using the program and the instr len.
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fn generate_preprocessed_trace_into( &self, _: &Self::Program, _: &mut [MaybeUninit<F>], )

Generate the preprocessed trace into a slice of MaybeUninit<F>.
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fn generate_preprocessed_trace( &self, program: &Self::Program, ) -> Option<DenseMatrix<F>>

Generate the preprocessed trace given a specific program.

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