The subgroups extension for the WebGPU Shading Language (WGSL) enables SIMD parallelism. Using subgroups, threads in a workgroup can efficiently communicate and perform collective operations. Shipping in Safari 27.3 (beta). Probes GPUSupportedFeatures.feature_subgroups. More: gpuweb.github.io/gpuweb/#subgroups web-platform-dx.github.io/web-features-explorer/feโฆ
typeof GPUSupportedFeatures !== "undefined" && "feature_subgroups" in (GPUSupportedFeatures.prototype || GPUSupportedFeatures)typeof GPUSupportedFeatures !== "undefined" && "feature_subgroups" in (GPUSupportedFeatures.prototype || GPUSupportedFeatures)