risc0-circuit-recursion 4.0.4

RISC Zero circuit for recursion
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52

// Copyright 2025 RISC Zero, Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

use anyhow::Result;
use risc0_circuit_recursion_sys::{RawPreflightTrace, StepMode};
use risc0_zkp::hal::Hal;

pub(crate) mod cpu;
#[cfg(feature = "cuda")]
pub(crate) mod cuda;
// #[cfg(all(
//     feature = "prove",
//     any(all(target_os = "macos", target_arch = "aarch64"), target_os = "ios")
// ))]
// pub mod metal;

pub(crate) trait CircuitWitnessGenerator<H: Hal> {
    fn generate_witness(
        &self,
        mode: StepMode,
        total_cycles: u32,
        preflight: &RawPreflightTrace,
        ctrl: &H::Buffer<H::Elem>,
        data: &H::Buffer<H::Elem>,
        global: &H::Buffer<H::Elem>,
    ) -> Result<()>;
}

pub(crate) trait CircuitAccumulator<H: Hal> {
    #[allow(clippy::too_many_arguments)]
    fn accumulate(
        &self,
        work_cycles: u32,
        total_cycles: u32,
        ctrl: &H::Buffer<H::Elem>,
        global: &H::Buffer<H::Elem>,
        data: &H::Buffer<H::Elem>,
        mix: &H::Buffer<H::Elem>,
        accum: &H::Buffer<H::Elem>,
    ) -> Result<()>;
}