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Add LAST turn TPS to status display #14

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Add LAST turn TPS to status display #14

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31 changes: 30 additions & 1 deletion tui.tsx
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Original file line number Diff line number Diff line change
Expand Up @@ -27,10 +27,17 @@ type SessionAverage = {
messageCount: number
}

type TurnAccumulator = {
tokens: number
startAt: number
}

type TrackerState = {
streamSamplesBySession: Record<string, StreamSample[]>
messageTimingByID: Record<string, MessageTiming>
sessionAverageByID: Record<string, SessionAverage>
sessionLastTurnTpsByID: Record<string, number>
turnBySession: Record<string, TurnAccumulator>
}

type TrackerListener = () => void
Expand Down Expand Up @@ -105,6 +112,11 @@ function SessionPromptRight(props: {
return formatRate(totals.totalTokens / (totals.totalDurationMs / 1000))
}

function sessionLastTps() {
const last = props.tracker.sessionLastTurnTpsByID[props.sessionID]
return formatRate(last)
}

function sessionTtft() {
const totals = props.tracker.sessionAverageByID[props.sessionID]
if (!totals || totals.messageCount <= 0 || totals.totalTtftMs < 0) return undefined
Expand All @@ -129,9 +141,10 @@ function SessionPromptRight(props: {

function statusText() {
const live = liveTps() ?? "-"
const last = sessionLastTps() ?? "-"
const avg = sessionAverage() ?? "-"
const ttft = sessionTtft() ?? "-"
return `TPS ${live} | AVG ${avg} | TTFT ${ttft}`
return `TPS ${live} | LAST ${last} | AVG ${avg} | TTFT ${ttft}`
}
}

Expand All @@ -140,6 +153,8 @@ const tui: TuiPlugin = async (api) => {
streamSamplesBySession: {},
messageTimingByID: {},
sessionAverageByID: {},
sessionLastTurnTpsByID: {},
turnBySession: {},
}
const listeners = new Set<TrackerListener>()

Expand Down Expand Up @@ -240,6 +255,20 @@ const tui: TuiPlugin = async (api) => {
totalTtftMs: totals.totalTtftMs + ttftMs,
messageCount: totals.messageCount + 1,
}

if (evt.properties.info.finish === "tool-calls") {
const currentTurn = tracker.turnBySession[sessionID]
tracker.turnBySession[sessionID] = currentTurn
? { tokens: currentTurn.tokens + totalTokens, startAt: currentTurn.startAt }
: { tokens: totalTokens, startAt: timing.firstResponseAt }
} else {
const turn = tracker.turnBySession[sessionID]
const turnStartAt = turn?.startAt ?? timing.firstResponseAt
const turnTokens = totalTokens + (turn?.tokens ?? 0)
const turnDurationMs = Math.max(evt.properties.info.time.completed - turnStartAt, 1)
tracker.sessionLastTurnTpsByID[sessionID] = turnTokens / (turnDurationMs / 1000)
delete tracker.turnBySession[sessionID]
}
}
}
delete tracker.messageTimingByID[evt.properties.info.id]
Expand Down