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(version: 1)
Comparing performance of:
buffer vs blob
Created:
one year ago
by:
Guest
Jump to the latest result
HTML Preparation code:
<!--your preparation HTML code goes here-->
Script Preparation code:
const str = "!11111111111111111111111111111111111111"; const encoder = new TextEncoder(); const uint8Array = encoder.encode(str); const buffer = uint8Array.buffer; const blob = new Blob([buffer]);
Tests:
buffer
const metaDataLength = new DataView(buffer).getUint8(0); const metaDataRaw = new Uint8Array(buffer, 1, metaDataLength); const mainDataRaw = new Uint8Array(buffer, 1 + metaDataLength); const mainData = new Blob([mainDataRaw]); const metaData = new TextDecoder().decode(metaDataRaw);
blob
(async () => { const metaDataLength = (await blob.slice(0, 1).bytes())[0]; const metaDataBlob = blob.slice(1, metaDataLength); const mainData = blob.slice(1 + metaDataLength); const metaData = await metaDataBlob.text(); })();
Rendered benchmark preparation results:
Suite status:
<idle, ready to run>
Run tests (2)
Previous results
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Test case name
Result
buffer
blob
Fastest:
N/A
Slowest:
N/A
Latest run results:
Run details:
(Test run date:
one year ago
)
User agent:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36
Browser/OS:
Chrome 131 on Windows
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Test name
Executions per second
buffer
2228.9 Ops/sec
blob
1400.8 Ops/sec
Related benchmarks:
ArrayBuffer
ArrayBuffer
text encoders
text encoders
Test123423432
ArrayBuffer Copy Benchmark (2)
encoderr
copy copy copy copy copy
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