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Commitf559560

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Merge pull request#3 from jsonjoy-com/perf-writer
Perf writer
2 parents1b855a4 +1e19a37 commitf559560

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3 files changed

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‎src/__bench__/bench.encodeUtf8.ts‎

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// yarn build && npx ts-node src/__bench__/bench.encodeUtf8.ts
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import{runBenchmark}from'./runBenchmark';
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import{Writer}from'../Writer';
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consthasBuffer=typeofBuffer==='function';
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constcompareBuffers=(a:Uint8Array,b:Uint8Array):boolean=>{
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if(a.length!==b.length)returnfalse;
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for(leti=0;i<a.length;i++){
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if(a[i]!==b[i])returnfalse;
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}
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returntrue;
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};
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constbenchmark={
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name:'encodeUtf8',
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warmup:1000,
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payloads:[
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{
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name:(data:any)=>`Single character,${newTextEncoder().encode(data).length} bytes`,
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data:'a',
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},
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{
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name:(data:any)=>`"Hello",${newTextEncoder().encode(data).length} bytes`,
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data:'Hello',
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},
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{
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name:(data:any)=>`Short text with emoji,${newTextEncoder().encode(data).length} bytes`,
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data:'Hi, Mike 👋!',
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},
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{
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name:(data:any)=>`Repeating ASCII characters,${newTextEncoder().encode(data).length} bytes`,
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data:'a'.repeat(2),
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},
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{
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name:(data:any)=>`Repeating ASCII characters,${newTextEncoder().encode(data).length} bytes`,
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data:'a'.repeat(4),
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},
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{
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name:(data:any)=>`Repeating ASCII characters,${newTextEncoder().encode(data).length} bytes`,
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data:'a'.repeat(8),
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},
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{
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name:(data:any)=>`Repeating ASCII characters,${newTextEncoder().encode(data).length} bytes`,
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data:'abcd'.repeat(3),
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},
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{
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name:(data:any)=>`Repeating ASCII characters,${newTextEncoder().encode(data).length} bytes`,
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data:'abcd'.repeat(4),
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},
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{
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name:(data:any)=>`Repeating ASCII characters,${newTextEncoder().encode(data).length} bytes`,
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data:'abcd'.repeat(8),
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},
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{
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name:(data:any)=>`Repeating ASCII characters,${newTextEncoder().encode(data).length} bytes`,
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data:'abcd'.repeat(16),
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},
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{
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name:(data:any)=>`Repeating ASCII characters,${newTextEncoder().encode(data).length} bytes`,
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data:'abcd'.repeat(32),
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},
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{
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name:(data:any)=>`Repeating ASCII characters,${newTextEncoder().encode(data).length} bytes`,
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data:'abcd'.repeat(64),
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},
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{
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name:(data:any)=>`Repeating ASCII characters,${newTextEncoder().encode(data).length} bytes`,
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data:'abcd'.repeat(128),
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},
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{
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name:(data:any)=>`Multibyte characters (Latin-1),${newTextEncoder().encode(data).length} bytes`,
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data:'ä'.repeat(64),
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},
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{
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name:(data:any)=>`Multibyte characters (Latin-1),${newTextEncoder().encode(data).length} bytes`,
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data:'ä'.repeat(128),
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},
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{
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name:(data:any)=>`CJK characters,${newTextEncoder().encode(data).length} bytes`,
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data:'中'.repeat(32),
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},
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{
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name:(data:any)=>`CJK characters,${newTextEncoder().encode(data).length} bytes`,
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data:'中'.repeat(64),
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},
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{
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name:(data:any)=>`Emoji,${newTextEncoder().encode(data).length} bytes`,
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data:'😀'.repeat(16),
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},
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{
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name:(data:any)=>`Emoji,${newTextEncoder().encode(data).length} bytes`,
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data:'😀'.repeat(32),
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},
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{
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name:(data:any)=>`Mixed scripts,${newTextEncoder().encode(data).length} bytes`,
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data:'Hello мир 中国 🌍'.repeat(8),
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},
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{
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name:(data:any)=>`Mixed scripts,${newTextEncoder().encode(data).length} bytes`,
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data:'Hello мир 中国 🌍'.repeat(16),
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},
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],
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test:(data:any,result:any)=>{
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constexpected=newTextEncoder().encode(data);
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returncompareBuffers(result,expected);
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},
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runners:[
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{
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name:'TextEncoder',
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setup:()=>{
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constencoder=newTextEncoder();
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return(data:any)=>encoder.encode(data);
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},
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},
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...(hasBuffer
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?[
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{
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name:'Buffer.from()',
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setup:()=>(data:any)=>newUint8Array(Buffer.from(data,'utf8')),
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},
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]
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:[]),
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{
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name:'Writer.utf8()',
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setup:()=>{
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constwriter=newWriter();
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return(data:any)=>{
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writer.ensureCapacity(data.length*4);
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writer.utf8(data);
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returnwriter.flush();
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};
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},
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},
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{
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name:'Writer.utf8Native()',
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setup:()=>{
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constwriter=newWriter();
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return(data:any)=>{
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writer.ensureCapacity(data.length*4);
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writer.utf8Native(data);
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returnwriter.flush();
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};
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},
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},
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{
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name:'Writer.ascii() (ASCII only)',
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setup:()=>{
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constwriter=newWriter();
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return(data:any)=>{
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writer.ensureCapacity(data.length);
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writer.ascii(data);
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returnwriter.flush();
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};
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},
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},
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],
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};
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runBenchmark(benchmark);

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