Philox is the algorithm supported by the WebGPU backend.
Require WebGPU; creation fails if it is unavailable.
OptionalcounterInitial Philox block counter; defaults to zero and must be a non-negative safe integer.
OptionalseedDeterministic seed; defaults to zero. System CSPRNG does not accept a seed.
OptionalstreamStream identifier for PCG or Philox; defaults to zero.
Optionaltimestamp_Request WebGPU timestamp-query support for Philox GPU timing.
Explicit WebGPU Philox options that expose GPU-resident output.