ppx.fbs

// ppx
// 0.1.3
//
// Probabilistic programming execution protocol
// https://github.com/probprog/ppx
//
namespace ppx;

union MessageBody {
  Handshake,
  HandshakeResult,
  Run,
  RunResult,
  Sample,
  SampleResult,
  Observe,
  ObserveResult,
  Tag,
  TagResult,
  Reset
}

table Message {
  body: MessageBody;
}

table Tensor {
  data: [double];
  shape: [int];
}

union Distribution {
  Normal,
  Uniform,
  Categorical,
  Poisson,
  Beta,
  Gamma,
  LogNormal,
  Exponential,
  Weibull
}

table Handshake {
  system_name: string;
}

table HandshakeResult {
  system_name: string;
  model_name: string;
}

table Run {}

table RunResult {
  result: Tensor;
}

table Sample {
  address: string;
  name: string;
  distribution: Distribution;
  control: bool = true;
  replace: bool = false;
}

table SampleResult {
  result: Tensor;
}

table Observe {
  address: string;
  name: string;
  distribution: Distribution;
  value: Tensor;
}

table ObserveResult {}

table Tag {
  address: string;
  name: string;
  value: Tensor;
}

table TagResult {}

table Reset {}

table Normal {
  mean: Tensor;
  stddev: Tensor;
}

table Uniform {
  low: Tensor;
  high: Tensor;
}

table Categorical {
  probs: Tensor;
}

table Poisson {
  rate: Tensor;
}

table Beta {
  low: Tensor;
  high: Tensor;
}

table Gamma {
  concentration: Tensor;
  rate: Tensor;
}

table LogNormal {
  mean: Tensor;
  stddev: Tensor;
}

table Exponential {
  rate: Tensor;
}
table Weibull {
  scale: Tensor;
  concentration: Tensor;
}

root_type Message;
file_identifier "PPXF";