spaceform
| Crates.io | spaceform |
| lib.rs | spaceform |
| version | 0.1.0 |
| source | src |
| created_at | 2021-12-13 11:46:28.429258 |
| updated_at | 2021-12-23 17:57:27.067024 |
| description | A cross-platform SIMD-accelerated maths library for 3D graphics |
| homepage | https://github.com/SparkyPotato/spaceform |
| repository | https://github.com/SparkyPotato/spaceform |
| max_upload_size | |
| id | 497082 |
| size | 85,230 |
Shaye Garg (SparkyPotato)
documentation
README
spaceform
A library for 3D rendering and simulation.
It aims to be ergonomic, fast, and flexible.
Speed
| Operation | cgmath |
spaceform simd |
spaceform scalar |
|---|---|---|---|
| Vector + Vector | 0.45 ns | 0.23 ns | 0.45 ns |
| Vector - Vector | 0.45 ns | 0.23 ns | 0.45 ns |
| Vector * Vector | 0.45 ns | 0.23 ns | 0.45 ns |
| Vector / Vector | 0.45 ns | 0.23 ns | 0.45 ns |
| Vector abs | - | 0.23 ns | 0.45 ns |
| Vector horizontal sum | 0.22 ns | 0.22 ns | 0.22 ns |
| Vector min and max | - | 0.23 ns | 0.45 ns |
| Vector dot product | 0.23 ns | 0.23 ns | 0.23 ns |
| Vector cross product | 0.46 ns | 0.23 ns | 0.45 ns |
| Vector * Matrix | 5.5 ns | 0.22 ns | 0.45 ns |
| Matrix * Matrix | 24 ns | 0.95 ns | 2 ns |
| Matrix transpose | 2 ns | 0.9 ns | 2 ns |
| Matrix inverse | 12 ns | 0.95 ns | 2 ns |
| Quaternion * Quaternion | 0.45 ns | 0.23 ns | 0.45 ns |
Benchmarked on an i7-4790K @ 4.6 Ghz.
At worst, spaceform is as fast as cgmath.
For vector-vector operations, spaceform is around twice as fast as cgmath.
For matrix operations, spaceform blows cgmath out of the water.
In some cases, even scalar spaceform is faster than cgmath.
Here is the worst case scenario for spaceform, where data has to be loaded from memory before every single operation.
| Operation | cgmath |
spaceform simd |
spaceform scalar |
|---|---|---|---|
| Vector + Vector | 1.8 ns | 0.5 ns | 1.8 ns |
| Vector - Vector | 1.8 ns | 0.5 ns | 1.8 ns |
| Vector * Vector | 1.8 ns | 0.5 ns | 1.8 ns |
| Vector / Vector | 1.8 ns | 1.7 ns | 6.2 ns |
| Vector abs | - | 0.5 ns | 1 ns |
| Vector horizontal sum | 1 ns | 0.65 ns | 1 ns |
| Vector min and max | - | 0.6 ns | 0.9 ns |
| Vector dot product | 2 ns | 0.9 ns | 2 ns |
| Vector cross product | 2.3 ns | 0.9 ns | 3.2 ns |
| Vector * Matrix | 5.5 ns | 1.5 ns | 4.8 ns |
| Matrix * Matrix | 30 ns | 4.7 ns | 19 ns |
| Matrix transpose | 4.5 ns | 1.9 ns | 5.6 ns |
| Matrix inverse | 22 ns | 11.8 ns | 30 ns |
| Quaternion * Quaternion | 0.45 ns | 0.23 ns | 0.45 ns |
spaceform still beats cgmath with simd.