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scylladb/sstables/segmented_compress_params.hh
Kefu Chai a6152cb87b sstables: do not include unused headers 
these unused includes were identified by clangd. see
https://clangd.llvm.org/guides/include-cleaner#unused-include-warning
for more details on the "Unused include" warning.

Signed-off-by: Kefu Chai <kefu.chai@scylladb.com>

Closes scylladb/scylladb#16666
2024-01-09 11:45:44 +02:00

744 lines
13 KiB
C++
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/*
* Copyright (C) 2017-present ScyllaDB
*/
/*
* SPDX-License-Identifier: AGPL-3.0-or-later
*/
/*
* This file was autogenerated by gen_segmented_compress_params.py.
*/
#include <array>
#include <cstdint>
namespace sstables {
const uint64_t bucket_size{4096};
struct bucket_info {
uint64_t chunk_size_log2;
uint64_t best_data_size_log2;
uint64_t segments_per_bucket;
};
// The largest data chunk from the file a bucketful of offsets can
// cover, precalculated for different chunk sizes, plus the number
// of segments that are needed to address the whole area.
const std::array<bucket_info, 27> bucket_infos{{
{4, 16, 817 /*out of the max of 1024*/},
{5, 17, 527 /*out of the max of 683*/},
{6, 18, 605 /*out of the max of 820*/},
{7, 19, 474 /*out of the max of 683*/},
{8, 20, 380 /*out of the max of 586*/},
{9, 21, 311 /*out of the max of 512*/},
{10, 22, 289 /*out of the max of 512*/},
{11, 23, 270 /*out of the max of 512*/},
{12, 23, 255 /*out of the max of 256*/},
{13, 24, 240 /*out of the max of 256*/},
{14, 25, 227 /*out of the max of 256*/},
{15, 26, 215 /*out of the max of 256*/},
{16, 27, 204 /*out of the max of 256*/},
{17, 28, 194 /*out of the max of 256*/},
{18, 29, 185 /*out of the max of 256*/},
{19, 30, 177 /*out of the max of 256*/},
{20, 31, 170 /*out of the max of 256*/},
{21, 32, 163 /*out of the max of 256*/},
{22, 33, 157 /*out of the max of 256*/},
{23, 34, 151 /*out of the max of 256*/},
{24, 35, 146 /*out of the max of 256*/},
{25, 36, 141 /*out of the max of 256*/},
{26, 37, 136 /*out of the max of 256*/},
{27, 38, 131 /*out of the max of 256*/},
{28, 38, 128 /*out of the max of 128*/},
{29, 39, 124 /*out of the max of 128*/},
{30, 40, 120 /*out of the max of 128*/}}};
struct segment_info {
uint8_t data_size_log2;
uint8_t chunk_size_log2;
uint8_t grouped_offsets;
};
// Precomputed optimal segment information for different data and chunk sizes.
const std::array<segment_info, 675> segment_infos{{
{16, 4, 4},
{16, 5, 6},
{16, 6, 5},
{16, 7, 6},
{16, 8, 4},
{16, 9, 4},
{16, 10, 4},
{16, 11, 4},
{16, 12, 2},
{16, 13, 2},
{16, 14, 2},
{16, 15, 1},
{16, 16, 1},
{16, 17, 1},
{16, 18, 1},
{16, 19, 1},
{16, 20, 1},
{16, 21, 1},
{16, 22, 1},
{16, 23, 1},
{16, 24, 1},
{16, 25, 1},
{16, 26, 1},
{16, 27, 1},
{16, 28, 1},
{16, 29, 1},
{16, 30, 1},
{17, 4, 7},
{17, 5, 6},
{17, 6, 5},
{17, 7, 6},
{17, 8, 4},
{17, 9, 4},
{17, 10, 4},
{17, 11, 4},
{17, 12, 4},
{17, 13, 2},
{17, 14, 2},
{17, 15, 2},
{17, 16, 1},
{17, 17, 1},
{17, 18, 1},
{17, 19, 1},
{17, 20, 1},
{17, 21, 1},
{17, 22, 1},
{17, 23, 1},
{17, 24, 1},
{17, 25, 1},
{17, 26, 1},
{17, 27, 1},
{17, 28, 1},
{17, 29, 1},
{17, 30, 1},
{18, 4, 7},
{18, 5, 6},
{18, 6, 5},
{18, 7, 6},
{18, 8, 4},
{18, 9, 4},
{18, 10, 4},
{18, 11, 4},
{18, 12, 4},
{18, 13, 4},
{18, 14, 2},
{18, 15, 2},
{18, 16, 2},
{18, 17, 1},
{18, 18, 1},
{18, 19, 1},
{18, 20, 1},
{18, 21, 1},
{18, 22, 1},
{18, 23, 1},
{18, 24, 1},
{18, 25, 1},
{18, 26, 1},
{18, 27, 1},
{18, 28, 1},
{18, 29, 1},
{18, 30, 1},
{19, 4, 7},
{19, 5, 6},
{19, 6, 5},
{19, 7, 6},
{19, 8, 7},
{19, 9, 8},
{19, 10, 4},
{19, 11, 4},
{19, 12, 4},
{19, 13, 4},
{19, 14, 4},
{19, 15, 2},
{19, 16, 2},
{19, 17, 2},
{19, 18, 1},
{19, 19, 1},
{19, 20, 1},
{19, 21, 1},
{19, 22, 1},
{19, 23, 1},
{19, 24, 1},
{19, 25, 1},
{19, 26, 1},
{19, 27, 1},
{19, 28, 1},
{19, 29, 1},
{19, 30, 1},
{20, 4, 7},
{20, 5, 6},
{20, 6, 9},
{20, 7, 6},
{20, 8, 7},
{20, 9, 8},
{20, 10, 8},
{20, 11, 4},
{20, 12, 4},
{20, 13, 4},
{20, 14, 4},
{20, 15, 4},
{20, 16, 2},
{20, 17, 2},
{20, 18, 2},
{20, 19, 1},
{20, 20, 1},
{20, 21, 1},
{20, 22, 1},
{20, 23, 1},
{20, 24, 1},
{20, 25, 1},
{20, 26, 1},
{20, 27, 1},
{20, 28, 1},
{20, 29, 1},
{20, 30, 1},
{21, 4, 7},
{21, 5, 6},
{21, 6, 9},
{21, 7, 6},
{21, 8, 7},
{21, 9, 8},
{21, 10, 8},
{21, 11, 8},
{21, 12, 4},
{21, 13, 4},
{21, 14, 4},
{21, 15, 4},
{21, 16, 4},
{21, 17, 2},
{21, 18, 2},
{21, 19, 2},
{21, 20, 1},
{21, 21, 1},
{21, 22, 1},
{21, 23, 1},
{21, 24, 1},
{21, 25, 1},
{21, 26, 1},
{21, 27, 1},
{21, 28, 1},
{21, 29, 1},
{21, 30, 1},
{22, 4, 7},
{22, 5, 11},
{22, 6, 9},
{22, 7, 11},
{22, 8, 7},
{22, 9, 8},
{22, 10, 8},
{22, 11, 8},
{22, 12, 8},
{22, 13, 4},
{22, 14, 4},
{22, 15, 4},
{22, 16, 4},
{22, 17, 4},
{22, 18, 2},
{22, 19, 2},
{22, 20, 2},
{22, 21, 1},
{22, 22, 1},
{22, 23, 1},
{22, 24, 1},
{22, 25, 1},
{22, 26, 1},
{22, 27, 1},
{22, 28, 1},
{22, 29, 1},
{22, 30, 1},
{23, 4, 13},
{23, 5, 11},
{23, 6, 9},
{23, 7, 11},
{23, 8, 7},
{23, 9, 8},
{23, 10, 8},
{23, 11, 8},
{23, 12, 8},
{23, 13, 8},
{23, 14, 4},
{23, 15, 4},
{23, 16, 4},
{23, 17, 4},
{23, 18, 4},
{23, 19, 2},
{23, 20, 2},
{23, 21, 2},
{23, 22, 1},
{23, 23, 1},
{23, 24, 1},
{23, 25, 1},
{23, 26, 1},
{23, 27, 1},
{23, 28, 1},
{23, 29, 1},
{23, 30, 1},
{24, 4, 13},
{24, 5, 11},
{24, 6, 9},
{24, 7, 11},
{24, 8, 7},
{24, 9, 8},
{24, 10, 8},
{24, 11, 8},
{24, 12, 8},
{24, 13, 8},
{24, 14, 8},
{24, 15, 4},
{24, 16, 4},
{24, 17, 4},
{24, 18, 4},
{24, 19, 4},
{24, 20, 2},
{24, 21, 2},
{24, 22, 2},
{24, 23, 1},
{24, 24, 1},
{24, 25, 1},
{24, 26, 1},
{24, 27, 1},
{24, 28, 1},
{24, 29, 1},
{24, 30, 1},
{25, 4, 13},
{25, 5, 11},
{25, 6, 9},
{25, 7, 11},
{25, 8, 7},
{25, 9, 8},
{25, 10, 8},
{25, 11, 8},
{25, 12, 8},
{25, 13, 8},
{25, 14, 8},
{25, 15, 8},
{25, 16, 4},
{25, 17, 4},
{25, 18, 4},
{25, 19, 4},
{25, 20, 4},
{25, 21, 2},
{25, 22, 2},
{25, 23, 2},
{25, 24, 1},
{25, 25, 1},
{25, 26, 1},
{25, 27, 1},
{25, 28, 1},
{25, 29, 1},
{25, 30, 1},
{26, 4, 13},
{26, 5, 11},
{26, 6, 9},
{26, 7, 11},
{26, 8, 13},
{26, 9, 8},
{26, 10, 8},
{26, 11, 8},
{26, 12, 8},
{26, 13, 8},
{26, 14, 8},
{26, 15, 8},
{26, 16, 8},
{26, 17, 4},
{26, 18, 4},
{26, 19, 4},
{26, 20, 4},
{26, 21, 4},
{26, 22, 2},
{26, 23, 2},
{26, 24, 2},
{26, 25, 1},
{26, 26, 1},
{26, 27, 1},
{26, 28, 1},
{26, 29, 1},
{26, 30, 1},
{27, 4, 13},
{27, 5, 11},
{27, 6, 9},
{27, 7, 11},
{27, 8, 13},
{27, 9, 8},
{27, 10, 8},
{27, 11, 8},
{27, 12, 8},
{27, 13, 8},
{27, 14, 8},
{27, 15, 8},
{27, 16, 8},
{27, 17, 8},
{27, 18, 4},
{27, 19, 4},
{27, 20, 4},
{27, 21, 4},
{27, 22, 4},
{27, 23, 2},
{27, 24, 2},
{27, 25, 2},
{27, 26, 1},
{27, 27, 1},
{27, 28, 1},
{27, 29, 1},
{27, 30, 1},
{28, 4, 13},
{28, 5, 11},
{28, 6, 9},
{28, 7, 11},
{28, 8, 13},
{28, 9, 8},
{28, 10, 8},
{28, 11, 8},
{28, 12, 8},
{28, 13, 8},
{28, 14, 8},
{28, 15, 8},
{28, 16, 8},
{28, 17, 8},
{28, 18, 8},
{28, 19, 4},
{28, 20, 4},
{28, 21, 4},
{28, 22, 4},
{28, 23, 4},
{28, 24, 2},
{28, 25, 2},
{28, 26, 2},
{28, 27, 1},
{28, 28, 1},
{28, 29, 1},
{28, 30, 1},
{29, 4, 13},
{29, 5, 11},
{29, 6, 17},
{29, 7, 11},
{29, 8, 13},
{29, 9, 15},
{29, 10, 16},
{29, 11, 8},
{29, 12, 8},
{29, 13, 8},
{29, 14, 8},
{29, 15, 8},
{29, 16, 8},
{29, 17, 8},
{29, 18, 8},
{29, 19, 8},
{29, 20, 4},
{29, 21, 4},
{29, 22, 4},
{29, 23, 4},
{29, 24, 4},
{29, 25, 2},
{29, 26, 2},
{29, 27, 2},
{29, 28, 1},
{29, 29, 1},
{29, 30, 1},
{30, 4, 13},
{30, 5, 11},
{30, 6, 17},
{30, 7, 11},
{30, 8, 13},
{30, 9, 15},
{30, 10, 16},
{30, 11, 16},
{30, 12, 8},
{30, 13, 8},
{30, 14, 8},
{30, 15, 8},
{30, 16, 8},
{30, 17, 8},
{30, 18, 8},
{30, 19, 8},
{30, 20, 8},
{30, 21, 4},
{30, 22, 4},
{30, 23, 4},
{30, 24, 4},
{30, 25, 4},
{30, 26, 2},
{30, 27, 2},
{30, 28, 2},
{30, 29, 1},
{30, 30, 1},
{31, 4, 13},
{31, 5, 11},
{31, 6, 17},
{31, 7, 11},
{31, 8, 13},
{31, 9, 15},
{31, 10, 16},
{31, 11, 16},
{31, 12, 16},
{31, 13, 8},
{31, 14, 8},
{31, 15, 8},
{31, 16, 8},
{31, 17, 8},
{31, 18, 8},
{31, 19, 8},
{31, 20, 8},
{31, 21, 8},
{31, 22, 4},
{31, 23, 4},
{31, 24, 4},
{31, 25, 4},
{31, 26, 4},
{31, 27, 2},
{31, 28, 2},
{31, 29, 2},
{31, 30, 1},
{32, 4, 13},
{32, 5, 22},
{32, 6, 17},
{32, 7, 11},
{32, 8, 13},
{32, 9, 15},
{32, 10, 16},
{32, 11, 16},
{32, 12, 16},
{32, 13, 16},
{32, 14, 8},
{32, 15, 8},
{32, 16, 8},
{32, 17, 8},
{32, 18, 8},
{32, 19, 8},
{32, 20, 8},
{32, 21, 8},
{32, 22, 8},
{32, 23, 4},
{32, 24, 4},
{32, 25, 4},
{32, 26, 4},
{32, 27, 4},
{32, 28, 2},
{32, 29, 2},
{32, 30, 2},
{33, 4, 13},
{33, 5, 22},
{33, 6, 17},
{33, 7, 22},
{33, 8, 13},
{33, 9, 15},
{33, 10, 16},
{33, 11, 16},
{33, 12, 16},
{33, 13, 16},
{33, 14, 16},
{33, 15, 8},
{33, 16, 8},
{33, 17, 8},
{33, 18, 8},
{33, 19, 8},
{33, 20, 8},
{33, 21, 8},
{33, 22, 8},
{33, 23, 8},
{33, 24, 4},
{33, 25, 4},
{33, 26, 4},
{33, 27, 4},
{33, 28, 4},
{33, 29, 2},
{33, 30, 2},
{34, 4, 13},
{34, 5, 22},
{34, 6, 17},
{34, 7, 22},
{34, 8, 13},
{34, 9, 15},
{34, 10, 16},
{34, 11, 16},
{34, 12, 16},
{34, 13, 16},
{34, 14, 16},
{34, 15, 16},
{34, 16, 8},
{34, 17, 8},
{34, 18, 8},
{34, 19, 8},
{34, 20, 8},
{34, 21, 8},
{34, 22, 8},
{34, 23, 8},
{34, 24, 8},
{34, 25, 4},
{34, 26, 4},
{34, 27, 4},
{34, 28, 4},
{34, 29, 4},
{34, 30, 2},
{35, 4, 13},
{35, 5, 22},
{35, 6, 17},
{35, 7, 22},
{35, 8, 13},
{35, 9, 15},
{35, 10, 16},
{35, 11, 16},
{35, 12, 16},
{35, 13, 16},
{35, 14, 16},
{35, 15, 16},
{35, 16, 16},
{35, 17, 8},
{35, 18, 8},
{35, 19, 8},
{35, 20, 8},
{35, 21, 8},
{35, 22, 8},
{35, 23, 8},
{35, 24, 8},
{35, 25, 8},
{35, 26, 4},
{35, 27, 4},
{35, 28, 4},
{35, 29, 4},
{35, 30, 4},
{36, 4, 26},
{36, 5, 22},
{36, 6, 17},
{36, 7, 22},
{36, 8, 13},
{36, 9, 15},
{36, 10, 16},
{36, 11, 16},
{36, 12, 16},
{36, 13, 16},
{36, 14, 16},
{36, 15, 16},
{36, 16, 16},
{36, 17, 16},
{36, 18, 8},
{36, 19, 8},
{36, 20, 8},
{36, 21, 8},
{36, 22, 8},
{36, 23, 8},
{36, 24, 8},
{36, 25, 8},
{36, 26, 8},
{36, 27, 4},
{36, 28, 4},
{36, 29, 4},
{36, 30, 4},
{37, 4, 26},
{37, 5, 22},
{37, 6, 17},
{37, 7, 22},
{37, 8, 13},
{37, 9, 15},
{37, 10, 16},
{37, 11, 16},
{37, 12, 16},
{37, 13, 16},
{37, 14, 16},
{37, 15, 16},
{37, 16, 16},
{37, 17, 16},
{37, 18, 16},
{37, 19, 8},
{37, 20, 8},
{37, 21, 8},
{37, 22, 8},
{37, 23, 8},
{37, 24, 8},
{37, 25, 8},
{37, 26, 8},
{37, 27, 8},
{37, 28, 4},
{37, 29, 4},
{37, 30, 4},
{38, 4, 26},
{38, 5, 22},
{38, 6, 17},
{38, 7, 22},
{38, 8, 26},
{38, 9, 15},
{38, 10, 16},
{38, 11, 16},
{38, 12, 16},
{38, 13, 16},
{38, 14, 16},
{38, 15, 16},
{38, 16, 16},
{38, 17, 16},
{38, 18, 16},
{38, 19, 16},
{38, 20, 8},
{38, 21, 8},
{38, 22, 8},
{38, 23, 8},
{38, 24, 8},
{38, 25, 8},
{38, 26, 8},
{38, 27, 8},
{38, 28, 8},
{38, 29, 4},
{38, 30, 4},
{39, 4, 26},
{39, 5, 22},
{39, 6, 17},
{39, 7, 22},
{39, 8, 26},
{39, 9, 15},
{39, 10, 16},
{39, 11, 16},
{39, 12, 16},
{39, 13, 16},
{39, 14, 16},
{39, 15, 16},
{39, 16, 16},
{39, 17, 16},
{39, 18, 16},
{39, 19, 16},
{39, 20, 16},
{39, 21, 8},
{39, 22, 8},
{39, 23, 8},
{39, 24, 8},
{39, 25, 8},
{39, 26, 8},
{39, 27, 8},
{39, 28, 8},
{39, 29, 8},
{39, 30, 4},
{40, 4, 26},
{40, 5, 22},
{40, 6, 17},
{40, 7, 22},
{40, 8, 26},
{40, 9, 15},
{40, 10, 16},
{40, 11, 16},
{40, 12, 16},
{40, 13, 16},
{40, 14, 16},
{40, 15, 16},
{40, 16, 16},
{40, 17, 16},
{40, 18, 16},
{40, 19, 16},
{40, 20, 16},
{40, 21, 16},
{40, 22, 8},
{40, 23, 8},
{40, 24, 8},
{40, 25, 8},
{40, 26, 8},
{40, 27, 8},
{40, 28, 8},
{40, 29, 8},
{40, 30, 8}}};
} // namespace sstables
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