RDPAccountant¶

class opacus.accountants.rdp.RDPAccountant[source]¶

get_epsilon(delta, alphas=None)[source]¶

Return privacy budget (epsilon) expended so far.

Parameters:

• delta (float) – target delta

• alphas (Optional[List[Union[float, int]]]) – List of RDP orders (alphas) used to search for the optimal conversion between RDP and (epd, delta)-DP

classmethod mechanism()[source]¶

Accounting mechanism name

Return type:

str

step(*, noise_multiplier, sample_rate)[source]¶

Signal one optimization step

Parameters:

• noise_multiplier (float) – Current noise multiplier

• sample_rate (float) – Current sample rate