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The bug is in how twiddles array is indexed when multiplied by a mixed (M) vector to implement (I)NTT on cosets. The fix is to use the DIF-digit-reverse to compute the index of the element in the natural (N) vector that moved to index 'i' in the M vector. This is emulating a DIT-digit-reverse (which is mixing like a DIF-compute) reorder of the twiddles array and element-wise multiplication without reordering the twiddles memory.
Rust Bindings
icicle-core defines all interfaces, macros and common methods.
icicle-cuda-runtime defines DeviceContext which can be used to manage a specific GPU as well as wrapping common CUDA methods.
icicle-curves implements all interfaces and macros from icicle-core for each curve. For example icicle-bn254 implements curve bn254. Each curve has its own build script which will build the CUDA libraries for that curve as part of the rust-toolchain build.
Building a curve and running tests
Enter a curve implementation.
cd icicle-curves/icicle-bn254
To build
cargo build --release
The build may take a while because we are also building the CUDA libraries for the selected curve.
To run benchmarks
cargo bench
To run test
cargo test