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web-csv-toolbox
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CPU Simulation
Uses the
CPU Simulation instrument
to collect CPU performance metrics.
16 hours ago
7a0a924
fix/gitignore-build-artifacts
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fix: prevent build artifacts from being committed during version bump
#604
fix/gitignore-build-artifacts
16 hours ago
CPU Simulation
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Benchmarks
Binary approach: parseBinary (10KB)
benchmark/main.ts
3.7 ms
Engine comparison: mainThread (5000 rows)
benchmark/main.ts
311.3 ms
Engine comparison: mainThread (500 rows)
benchmark/main.ts
31 ms
Low-level: CSVLexer + CSVRecordAssembler (1000 rows)
benchmark/main.ts
32.3 ms
Field length: 1KB (1000 rows)
benchmark/main.ts
27.4 ms
Field length: 10KB (100 rows)
benchmark/main.ts
16.7 ms
Binary approach: parseBinary (100KB)
benchmark/main.ts
35.9 ms
Field length: 100 chars (1000 rows)
benchmark/main.ts
13.4 ms
Line ending: CRLF (1000 rows)
benchmark/main.ts
18.4 ms
Memory: toArraySync (allocate all at once)
benchmark/main.ts
32.8 ms
Engine comparison: wasm (5000 rows)
benchmark/main.ts
115.9 ms
Line ending: LF (1000 rows)
benchmark/main.ts
9.4 ms
Engine comparison: wasm (500 rows)
benchmark/main.ts
9 ms
Quote ratio: 50% (1000 rows)
benchmark/main.ts
12.7 ms
Quote ratio: 25% (1000 rows)
benchmark/main.ts
12.5 ms
Queuing: medium (1000 rows) - default HWM
benchmark/main.ts
233.8 ms
Memory: toIterableIterator (streaming)
benchmark/main.ts
32.6 ms
Binary approach: parseBinary (1KB)
benchmark/main.ts
519.9 µs
Quote ratio: 100% (1000 rows)
benchmark/main.ts
13.6 ms
Queuing: large (10000 rows) - default HWM
benchmark/main.ts
2.4 s
Scaling: 100 rows
benchmark/main.ts
3.4 ms
Low-level: CSVLexer only (1000 rows)
benchmark/main.ts
22 ms
Quote ratio: 0% (1000 rows)
benchmark/main.ts
12.7 ms
parseString.toArraySync(10 cols, 50 rows, quoted)
benchmark/main.ts
11.8 ms
Queuing: small (100 rows) - default HWM
benchmark/main.ts
25.1 ms
Binary approach: parseBinary (1MB)
benchmark/main.ts
373.4 ms
Scaling: 1000 rows
benchmark/main.ts
35.1 ms
Data transformation: type conversion (100 rows)
benchmark/main.ts
2.7 ms
Field length: 10 chars (1000 rows)
benchmark/main.ts
13.1 ms
Custom delimiter: PSV (100 rows)
benchmark/main.ts
1.1 ms
Concurrent: Parallel mainThread
benchmark/main.ts
40 ms
Scaling: 5000 rows
benchmark/main.ts
161.4 ms
parseString.toArraySync(50 cols, 50 rows, quoted)
benchmark/main.ts
18.7 ms
Scaling: 50 rows
benchmark/main.ts
1.7 ms
Concurrent: Sequential mainThread
benchmark/main.ts
40.1 ms
parseString.toArraySync(100 cols, 50 rows, quoted)
benchmark/main.ts
37.6 ms
parseString.toArraySync(10000 cols, 10 rows, unquoted)
benchmark/main.ts
377.8 ms
Scaling: 500 rows
benchmark/main.ts
17 ms
Custom delimiter: TSV (100 rows)
benchmark/main.ts
1.2 ms
parseString.toArraySync(10000 cols, 10 rows, quoted)
benchmark/main.ts
455.7 ms
parseStringStream: medium (1000 rows)
benchmark/main.ts
194.4 ms
Stream approach: parseUint8ArrayStream (10KB)
benchmark/main.ts
33.3 ms
Stream approach: parseUint8ArrayStream (100KB)
benchmark/main.ts
322.8 ms
Worker perf: large (10000 rows) - mainThread
benchmark/main.ts
225 ms
parseString.toArraySync(50 cols, 50 rows, unquoted)
benchmark/main.ts
8.3 ms
parseString.toIterableIterator(50 rows)
benchmark/main.ts
1.4 ms
Stream approach: parseUint8ArrayStream (1MB)
benchmark/main.ts
3.1 s
parseString engine:fast (1000 rows)
benchmark/main.ts
13.8 ms
parseString.toArraySync(10 cols, 50 rows, unquoted)
benchmark/main.ts
2.1 ms
parseString.toArraySync(50 rows)
benchmark/main.ts
1.9 ms
Stream approach: parseUint8ArrayStream (1KB)
benchmark/main.ts
4.4 ms
parseBinary.toStream(50 rows)
benchmark/main.ts
2 ms
parseStringToArraySyncWASM(50 rows)
benchmark/main.ts
1.5 ms
parseString engine:fast (50 rows)
benchmark/main.ts
1.3 ms
Data transformation: no conversion (100 rows)
benchmark/main.ts
2.4 ms
Worker perf: medium (1000 rows) - mainThread
benchmark/main.ts
22.4 ms
parseString.toArraySync(100 cols, 50 rows, unquoted)
benchmark/main.ts
16.7 ms
Worker perf: tiny (10 rows) - mainThread
benchmark/main.ts
380.1 µs
parseString engine:stable (1000 rows)
benchmark/main.ts
19.9 ms
Worker perf: small (100 rows) - mainThread
benchmark/main.ts
2.4 ms
parseBinary.toIterableIterator(50 rows)
benchmark/main.ts
996.5 µs
parseString.toStream(50 rows)
benchmark/main.ts
2.3 ms
parseString engine:stable (50 rows)
benchmark/main.ts
1.1 ms
parseBinary.toArraySync(50 rows)
benchmark/main.ts
978.8 µs
parseStringStream: small (100 rows)
benchmark/main.ts
18.9 ms
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