Python practice in GPU Graphics

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• CPU Vectorized Scale

  Scale pixel samples before a brightness comparison.

  patterns. Free room.

• Reduce Sum

  Sum supplied per-invocation work durations.

  patterns. Free room.

• Thread Index Map

  Calculate the index that a one-dimensional CUDA launch would assign.

  parallel-model. Free room.

• Vec3 Dot Product

  A diffuse-lighting calculation needs a scalar dot product between two three-component vectors..

  transforms. Free room.

• Barycentric Weights

  Use signed triangle areas to express a point as a weighted combination of a nondegenerate triangle.

  rasterization. Account access required.

• Prefix Scan

  An exclusive scan gives the starting offset for each variable-sized group.

  patterns. Account access required.

• Tile Load

  Model a tile copied into a CPU scratch buffer.

  memory. Account access required.

• Vec4 Transform

  Apply a homogeneous transform to a four-component vertex using column-vector multiplication..

  transforms. Account access required.

• Separable Gaussian Blur

  Blur a nonempty image with two one-dimensional passes on the CPU.

  shaders. Account access required.

• N-Body Step from Rest

  Compute one semi-implicit Euler step from zero initial velocity.

  particles. Account access required.

• Ray-Sphere Intersection

  Find the first strictly positive intersection of a ray with a sphere.

  raytracing. Account access required.

• Tiled Matrix Multiply

  Accumulate a matrix product from CPU array tiles.

  linear-algebra. Account access required.

• BVH Leaf AABB

  Compute a separate axis-aligned bounding box for each triangle.

  raytracing. Account access required.

• CPU Tiled Transpose

  Copy each CPU tile into local storage and transpose it into the output.

  memory. Account access required.

• Clamped Histogram

  Count samples into equally spaced bins using CPU NumPy.

  patterns. Account access required.

• Perspective Projection Pipeline

  Assemble model transformation, projection, perspective divide and viewport mapping.

  transforms, rasterization. Account access required.

• Assemble a CPU Rasterization Pipeline

  Software renderer engineer reconstructing the pipeline before the client call.

  transforms, rasterization, shaders, renderer. Account access required.

• Barnes-Hut Cell Helpers

  Compute a nonempty positive-mass cell summary and the size/distance opening decision.

  particles. Account access required.

• Seeded Sphere Bounce Study

  Assemble nearest-hit selection, albedo multiplication and seeded direction changes in a CPU toy ray walk.

  raytracing, shaders. Account access required.

• CPU Tiled Cross-Correlation

  Stage a CPU image tile plus its halo in a copied local NumPy buffer, then compute several outputs from that tile.

  memory, shaders. Account access required.