📅 Original date posted:2015-11-28
📝 Original message:It appears you're using the term "compression ratio" to mean "size reduction". A compression ratio is the ratio (compressed / uncompressed). A 1 kB file compressed with a 10% compression ratio would be 0.1 kB. It seems you're using (1 - compressed/uncompressed), meaning that the compressed file would be 0.9 kB.
On Nov 28, 2015, at 6:48 AM, Peter Tschipper via bitcoin-dev <bitcoin-dev at lists.linuxfoundation.org> wrote:
> The following show the compression ratio acheived for various sizes of data. Zlib is the clear
> winner for compressibility, with LZOx-999 coming close but at a cost.
>
> range Zlib-1 cmp%
> Zlib-6 cmp% LZOx-1 cmp% LZOx-999 cmp%
> 0-250b 12.44 12.86 10.79 14.34
> 250-500b 19.33 12.97 10.34 11.11
>
>
>
>
>
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Jonathan Toomim [ARCHIVE] /
npub1pl…yj0hj
2023-06-07 17:44:30
in reply to nevent1q…ycut
Author Public Key
npub1pl6kcz00s7wgn6syh73dta0qm9sqpmtw4adv8rnm2w9fmynkw45sayj0hjPublished at
2023-06-07 17:44:30Event JSON
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"content": "📅 Original date posted:2015-11-28\n📝 Original message:It appears you're using the term \"compression ratio\" to mean \"size reduction\". A compression ratio is the ratio (compressed / uncompressed). A 1 kB file compressed with a 10% compression ratio would be 0.1 kB. It seems you're using (1 - compressed/uncompressed), meaning that the compressed file would be 0.9 kB.\n\nOn Nov 28, 2015, at 6:48 AM, Peter Tschipper via bitcoin-dev \u003cbitcoin-dev at lists.linuxfoundation.org\u003e wrote:\n\n\u003e The following show the compression ratio acheived for various sizes of data. Zlib is the clear\n\u003e winner for compressibility, with LZOx-999 coming close but at a cost.\n\u003e \n\u003e range\tZlib-1 cmp%\n\u003e Zlib-6 cmp%\tLZOx-1 cmp%\tLZOx-999 cmp%\n\u003e 0-250b\t12.44\t12.86\t10.79\t14.34\n\u003e 250-500b \t19.33\t12.97\t10.34\t11.11\n\u003e \n\u003e \n\u003e \n\u003e \n\u003e \n\n-------------- next part --------------\nAn HTML attachment was scrubbed...\nURL: \u003chttp://lists.linuxfoundation.org/pipermail/bitcoin-dev/attachments/20151128/7d5fb307/attachment.html\u003e\n-------------- next part --------------\nA non-text attachment was scrubbed...\nName: signature.asc\nType: application/pgp-signature\nSize: 496 bytes\nDesc: Message signed with OpenPGP using GPGMail\nURL: \u003chttp://lists.linuxfoundation.org/pipermail/bitcoin-dev/attachments/20151128/7d5fb307/attachment.sig\u003e",
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