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GpuContext

Struct GpuContext 

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pub struct GpuContext<C> {
Show 46 fields pub device: Device, pub queue: Queue, pub ntt_pipeline: ComputePipeline, pub ntt_fused_pipeline: ComputePipeline, pub ntt_tile_dit_no_bitreverse_pipeline: ComputePipeline, pub ntt_tile_dif_pipeline: ComputePipeline, pub ntt_tile_dif_fused_pipeline: ComputePipeline, pub ntt_tile_fused_pointwise_pipeline: ComputePipeline, pub ntt_global_stage_pipeline: ComputePipeline, pub ntt_global_stage_radix4_pipeline: ComputePipeline, pub ntt_global_stage_dif_pipeline: ComputePipeline, pub ntt_global_stage_dif_fused_pointwise_pipeline: ComputePipeline, pub ntt_bitreverse_pipeline: ComputePipeline, pub ntt_bitreverse_fused_pointwise_pipeline: ComputePipeline, pub coset_shift_pipeline: ComputePipeline, pub pointwise_poly_pipeline: ComputePipeline, pub to_montgomery_pipeline: ComputePipeline, pub from_montgomery_pipeline: ComputePipeline, pub msm_agg_g1_pipeline: ComputePipeline, pub msm_sum_g1_pipeline: ComputePipeline, pub msm_agg_g2_pipeline: ComputePipeline, pub msm_sum_g2_pipeline: ComputePipeline, pub msm_to_mont_g1_pipeline: ComputePipeline, pub msm_to_mont_g2_pipeline: ComputePipeline, pub msm_weight_g1_pipeline: ComputePipeline, pub msm_subsum_phase1_g1_pipeline: ComputePipeline, pub msm_subsum_phase2_g1_pipeline: ComputePipeline, pub msm_weight_g2_pipeline: ComputePipeline, pub msm_subsum_phase1_g2_pipeline: ComputePipeline, pub msm_subsum_phase2_g2_pipeline: ComputePipeline, pub msm_reduce_g1_pipeline: ComputePipeline, pub msm_reduce_g2_pipeline: ComputePipeline, pub ntt_bind_group_layout: BindGroupLayout, pub ntt_fused_shift_bgl: BindGroupLayout, pub ntt_params_bind_group_layout: BindGroupLayout, pub coset_shift_bind_group_layout: BindGroupLayout, pub pointwise_poly_bind_group_layout: BindGroupLayout, pub pointwise_fused_bind_group_layout: BindGroupLayout, pub montgomery_bind_group_layout: BindGroupLayout, pub msm_agg_bind_group_layout: BindGroupLayout, pub msm_sum_bind_group_layout: BindGroupLayout, pub msm_weight_g1_bind_group_layout: BindGroupLayout, pub msm_weight_g2_bind_group_layout: BindGroupLayout, pub msm_subsum_phase1_bind_group_layout: BindGroupLayout, pub msm_subsum_phase2_bind_group_layout: BindGroupLayout, pub msm_reduce_bind_group_layout: BindGroupLayout, /* private fields */
}

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§device: Device§queue: Queue§ntt_pipeline: ComputePipeline§ntt_fused_pipeline: ComputePipeline§ntt_tile_dit_no_bitreverse_pipeline: ComputePipeline§ntt_tile_dif_pipeline: ComputePipeline§ntt_tile_dif_fused_pipeline: ComputePipeline§ntt_tile_fused_pointwise_pipeline: ComputePipeline§ntt_global_stage_pipeline: ComputePipeline§ntt_global_stage_radix4_pipeline: ComputePipeline§ntt_global_stage_dif_pipeline: ComputePipeline§ntt_global_stage_dif_fused_pointwise_pipeline: ComputePipeline§ntt_bitreverse_pipeline: ComputePipeline§ntt_bitreverse_fused_pointwise_pipeline: ComputePipeline§coset_shift_pipeline: ComputePipeline§pointwise_poly_pipeline: ComputePipeline§to_montgomery_pipeline: ComputePipeline§from_montgomery_pipeline: ComputePipeline§msm_agg_g1_pipeline: ComputePipeline§msm_sum_g1_pipeline: ComputePipeline§msm_agg_g2_pipeline: ComputePipeline§msm_sum_g2_pipeline: ComputePipeline§msm_to_mont_g1_pipeline: ComputePipeline§msm_to_mont_g2_pipeline: ComputePipeline§msm_weight_g1_pipeline: ComputePipeline§msm_subsum_phase1_g1_pipeline: ComputePipeline§msm_subsum_phase2_g1_pipeline: ComputePipeline§msm_weight_g2_pipeline: ComputePipeline§msm_subsum_phase1_g2_pipeline: ComputePipeline§msm_subsum_phase2_g2_pipeline: ComputePipeline§msm_reduce_g1_pipeline: ComputePipeline§msm_reduce_g2_pipeline: ComputePipeline§ntt_bind_group_layout: BindGroupLayout§ntt_fused_shift_bgl: BindGroupLayout§ntt_params_bind_group_layout: BindGroupLayout§coset_shift_bind_group_layout: BindGroupLayout§pointwise_poly_bind_group_layout: BindGroupLayout§pointwise_fused_bind_group_layout: BindGroupLayout§montgomery_bind_group_layout: BindGroupLayout§msm_agg_bind_group_layout: BindGroupLayout§msm_sum_bind_group_layout: BindGroupLayout§msm_weight_g1_bind_group_layout: BindGroupLayout§msm_weight_g2_bind_group_layout: BindGroupLayout§msm_subsum_phase1_bind_group_layout: BindGroupLayout§msm_subsum_phase2_bind_group_layout: BindGroupLayout§msm_reduce_bind_group_layout: BindGroupLayout

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impl<C: GpuCurve> GpuContext<C>

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pub async fn read_buffer( &self, buffer: &Buffer, size: BufferAddress, ) -> Result<Vec<u8>>

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pub async fn read_buffers_batch( &self, entries: &[(&Buffer, BufferAddress)], ) -> Result<Vec<Vec<u8>>>

Reads multiple GPU buffers in a single command submission for efficiency.

All copy commands are batched into one encoder, submitted together, and then all staging buffers are mapped concurrently. This avoids the overhead of per-buffer submission and device polling.

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impl<C: GpuCurve> GpuContext<C>

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pub fn execute_h_pipeline(&self, bufs: &HPolyBuffers<'_>, n: u32)

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impl<C: GpuCurve> GpuContext<C>

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pub fn execute_msm( &self, is_g2: bool, bufs: &MsmBuffers<'_>, num_active_buckets: u32, num_dispatched: u32, has_chunks: bool, num_windows: u32, skip_montgomery: bool, )

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pub fn convert_to_montgomery(&self, buf: &Buffer, is_g2: bool)

Convert a bases buffer to Montgomery form in-place (one-time, for persistent bases).

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impl<C: GpuCurve> GpuContext<C>

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pub fn execute_to_montgomery(&self, buffer: &Buffer, num_elements: u32)

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pub fn execute_from_montgomery(&self, buffer: &Buffer, num_elements: u32)

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pub fn execute_ntt( &self, data_buffer: &Buffer, twiddles_buffer: &Buffer, num_elements: u32, )

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pub fn execute_ntt_global( &self, data_buffer: &Buffer, twiddles_buffer: &Buffer, num_elements: u32, )

Multi-stage global NTT for sizes > NTT_TILE_SIZE (512).

Algorithm:

  1. Bit-reversal permutation (in-place)
  2. Iterative butterfly stages: for each half_len in 1, 2, 4, …, n/2, dispatches workgroups that combine pairs of elements using twiddle factors

Each stage updates a uniform buffer with [n, half_len, log_n, 0] so the shader knows the current butterfly geometry.

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pub fn execute_coset_shift( &self, data_buffer: &Buffer, shifts_buffer: &Buffer, num_elements: u32, )

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pub fn execute_pointwise_poly( &self, a_buf: &Buffer, b_buf: &Buffer, c_buf: &Buffer, h_buf: &Buffer, z_invs_buf: &Buffer, num_elements: u32, )

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impl<C: GpuCurve> GpuContext<C>

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pub async fn new() -> Result<Self>

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pub fn create_storage_buffer(&self, label: &str, data: &[u8]) -> Buffer

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pub fn create_empty_buffer(&self, label: &str, size: u64) -> Buffer

Auto Trait Implementations§

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impl<C> Freeze for GpuContext<C>

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impl<C> !RefUnwindSafe for GpuContext<C>

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impl<C> Send for GpuContext<C>
where C: Send,

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impl<C> Sync for GpuContext<C>
where C: Sync,

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impl<C> Unpin for GpuContext<C>
where C: Unpin,

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impl<C> UnsafeUnpin for GpuContext<C>

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impl<C> !UnwindSafe for GpuContext<C>

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