Method newInstance

instructions.js:567–588

(rows, cols, inputBuffer, transpose = false)

  }

  newInstance(rows, cols, inputBuffer, transpose = false) {
    const workgroupsX = cols > 4096 ? 256 : 64;
    const fusedPipeline = this.getFusedPipeline(workgroupsX, transpose);

    const uniformBuffer = this.initUniform(4, [[0, new Uint32Array([rows, cols])]]);
    const resultBuffer = this.initResultBuffer([rows, cols], `${this.name}_ResultBuffer_`);
    const bindGroup = this.initBindGroup(this.u_s_Layout, [uniformBuffer, resultBuffer], `${this.name}_BindGroup_`);
    const inputBindGroup = this.initBindGroup(this.r_Layout, [inputBuffer], `${this.name}_BindGroup__Input`);
    const workgroups = { x: 1, y: wgSize(rows, 1), z: 1 };

    return {
      resultBuffer: resultBuffer,
      passes: [
        {
          flag: "compute",
          pipeline: fusedPipeline,
          groups: [bindGroup, inputBindGroup],
          workgroups: workgroups,
        },
      ],
    };
  }

  /*
    Possible improvements: Vectorization? Modify input buffer to coalesce better?