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Docs: Update benchmark results
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@@ -1,20 +1,21 @@
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const createStreamVisualizer = async (src, opt = {}) => {
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const { maxPoints = 100, alpha = 0.5, width = 600, height = 300, yDomain = [0, 1] } = opt
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const { scaleLinear, line } = await import('https://cdn.jsdelivr.net/npm/d3@7/+esm')
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const data = []
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async function createStreamVisualizer(iterable,options={}){
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const{maxPoints=100,alpha=.3,width=640,height=320,yDomain=[0,1]}=options
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const{scaleLinear,line}=await import('https://cdn.jsdelivr.net/npm/d3@7/+esm')
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const data=[]
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let ema
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for await (const p of src) {
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if (!p) continue
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const { timestamp: t, value: v } = p
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if (t == null || v == null) continue
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ema = ema == null ? v : alpha * v + (1 - alpha) * ema
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data.push({ timestamp: t, value: v, ema })
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data.length > maxPoints && data.shift()
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for await(const{timestamp,value}of iterable){
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ema=ema==null?value:alpha*value+(1-alpha)*ema
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data.push({timestamp,value,ema})
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data.length>maxPoints&&data.shift()
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}
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if (!data.length) return { data, path: '' }
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const x = scaleLinear().domain([data[0].timestamp, data.at(-1).timestamp]).range([0, width])
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const y = scaleLinear().domain(yDomain).range([height, 0])
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const path = line().x(d => x(d.timestamp)).y(d => y(d.ema))(data) || ''
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return { data, path }
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let path=''
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if(data.length){
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const x=scaleLinear().domain([data[0].timestamp,data.at(-1).timestamp]).range([0,width])
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const y=scaleLinear().domain(yDomain).range([height,0])
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path=line().x(d=>x(d.timestamp)).y(d=>y(d.ema))(data)||''
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}
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return{data,path}
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}
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export default createStreamVisualizer;
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export default createStreamVisualizer;
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// Generation time: 10.093s
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// Result: PASS
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