Performance Metrics • Rust AI Agent SDK

PerformanceMetrics: Performance metrics from an evaluation.

PerformanceMetrics

Defined in the eval module.

Rust AI Agent SDK

Performance metrics from an evaluation.

Name	Type	Description
`duration`	`Duration`	Total duration
`ttft`	`Option<Duration>`	Time to first token (if applicable)
`tokens_per_second`	`Option<f64>`	Tokens per second
`memory_bytes`	`Option<usize>`	Memory usage in bytes
`input_tokens`	`Option<usize>`	Input tokens
`output_tokens`	`Option<usize>`	Output tokens

rust

fn new(duration: Duration) -> Self

Create new metrics with duration.

Parameters:

Name	Type
`duration`	`Duration`

rust

fn with_ttft(mut self, ttft: Duration) -> Self

Set TTFT.

Parameters:

Name	Type
`ttft`	`Duration`

rust

fn with_tokens_per_second(mut self, tps: f64) -> Self

Set tokens per second.

Parameters:

Name	Type
`tps`	`f64`

rust

fn with_tokens(mut self, input: usize, output: usize) -> Self

Set token counts.

Parameters:

Name	Type
`input`	`usize`
`output`	`usize`

praisonai/src/eval/mod.rs at line 83