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- Committer: John Arbash Meinel
- Date: 2009-10-17 04:43:14 UTC
- Revision ID: john@arbash-meinel.com-20091017044314-nlvrrqnz0f2wzcp4
change the GroupcompressBlock code a bit.
If the first decompress request is big enough, just decompress everything.
And when we do that, let go of the decompressobj.
After digging through the zlib code, it looks like 1 zlib stream object
contains a 5kB internal state, and another 4*64kB buffers. (about 260kB
of total state.)
That turns out to be quite a lot if you think about it.
In the case of branching a copy of 'bzr.dev' locally, this turned out
to be 383MB w/ bzr.dev and 345MB w/ only this patch. (So ~11% of peak).
Also, this was 'unreferenced' memory, because it is hidden in the
zlib internal state in working buffers. So it wasn't memory that Meliae
could find. \o/.
If the first decompress request is big enough, just decompress everything.
And when we do that, let go of the decompressobj.
After digging through the zlib code, it looks like 1 zlib stream object
contains a 5kB internal state, and another 4*64kB buffers. (about 260kB
of total state.)
That turns out to be quite a lot if you think about it.
In the case of branching a copy of 'bzr.dev' locally, this turned out
to be 383MB w/ bzr.dev and 345MB w/ only this patch. (So ~11% of peak).
Also, this was 'unreferenced' memory, because it is hidden in the
zlib internal state in working buffers. So it wasn't memory that Meliae
could find. \o/.
| Filename | Latest Rev | Last Changed | Committer | Comment | Size | ||
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diff |
1731.1.17 | 19 years ago | Aaron Bentley | Merge bzr.dev | 45.4 KB |
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diff-2 |
1731.1.17 | 19 years ago | Aaron Bentley | Merge bzr.dev | 270 bytes |
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diff-3 |
1731.1.17 | 19 years ago | Aaron Bentley | Merge bzr.dev | 204 bytes |
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diff-4 |
1731.1.17 | 19 years ago | Aaron Bentley | Merge bzr.dev | 223 bytes |
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diff-5 |
1731.1.17 | 19 years ago | Aaron Bentley | Merge bzr.dev | 4.9 KB |
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diff-6 |
4183.7.1 | 16 years ago | Sabin Iacob | update FSF mailing address | 18.7 KB |
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diff-7 |
3873.1.6 | 16 years ago | Benoît Pierre | OK, so now patches should handle '\ No newline at | 204 bytes |
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insert_top.patch |
1731.1.17 | 19 years ago | Aaron Bentley | Merge bzr.dev | 130 bytes |
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mod |
4183.7.1 | 16 years ago | Sabin Iacob | update FSF mailing address | 91.9 KB |
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mod-2 |
4183.7.1 | 16 years ago | Sabin Iacob | update FSF mailing address | 18.1 KB |
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mod-3 |
4183.7.1 | 16 years ago | Sabin Iacob | update FSF mailing address | 18.1 KB |
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mod-4 |
4183.7.1 | 16 years ago | Sabin Iacob | update FSF mailing address | 18 KB |
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mod-5 |
4183.7.1 | 16 years ago | Sabin Iacob | update FSF mailing address | 13.5 KB |
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mod-6 |
1731.1.17 | 19 years ago | Aaron Bentley | Merge bzr.dev | 22 bytes |
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mod-7 |
3873.1.6 | 16 years ago | Benoît Pierre | OK, so now patches should handle '\ No newline at | 17 bytes |
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orig |
4183.7.1 | 16 years ago | Sabin Iacob | update FSF mailing address | 97.9 KB |
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orig-2 |
4183.7.1 | 16 years ago | Sabin Iacob | update FSF mailing address | 18 KB |
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orig-3 |
4183.7.1 | 16 years ago | Sabin Iacob | update FSF mailing address | 18.1 KB |
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orig-4 |
4183.7.1 | 16 years ago | Sabin Iacob | update FSF mailing address | 18 KB |
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orig-5 |
4183.7.1 | 16 years ago | Sabin Iacob | update FSF mailing address | 18 KB |
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orig-6 |
4183.7.1 | 16 years ago | Sabin Iacob | update FSF mailing address | 18 KB |
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orig-7 |
3873.1.6 | 16 years ago | Benoît Pierre | OK, so now patches should handle '\ No newline at | 22 bytes |
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patchtext.patch |
1731.1.17 | 19 years ago | Aaron Bentley | Merge bzr.dev | 988 bytes |
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