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Polish lookup tables generation

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This commit is contained in:
Benoit Jacob 2015-03-15 18:05:53 -04:00
parent e56aabf205
commit ca5c12587b
1 changed files with 21 additions and 8 deletions
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29
bench/analyze-blocking-sizes.cpp
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@ -347,13 +347,16 @@ void dump_table_for_subset(
abort();
}
if (only_cubic_sizes) {
cout << "/* Warning: generated with --only-cubic-sizes ! */" << endl;
cerr << "Can't generate tables with --only-cubic-sizes." << endl;
abort();
}
cout << "struct optimal_block_sizes_table {" << endl;
cout << " static const size_t min_size = " << min_product_size.k << ";" << endl;
cout << " static const size_t max_size = " << max_product_size.k << ";" << endl;
cout << " static const uint16_t* table() {" << endl;
cout << " static const uint16_t data[] = {";
cout << "struct LookupTable {" << endl;
cout << " static const size_t BaseSize = " << min_product_size.k << ";" << endl;
const size_t NumSizes = log2_pot(max_product_size.k / min_product_size.k) + 1;
const size_t TableSize = NumSizes * NumSizes * NumSizes;
cout << " static const size_t NumSizes = " << NumSizes << ";" << endl;
cout << " static const uint16_t* Data() {" << endl;
cout << " static const uint16_t data[" << TableSize << "] = {";
while (entry_index < num_entries) {
++entry_index;
if (entry_index == num_entries ||
@ -371,18 +374,23 @@ void dump_table_for_subset(
best_block_size_this_product_size = first_file.entries[e].block_size;
}
}
if ((i++) % 8) {
cout << ", ";
if ((i++) % NumSizes) {
cout << " ";
} else {
cout << endl << " ";
}
cout << "0x" << hex << best_block_size_this_product_size << dec;
if (entry_index < num_entries) {
cout << ",";
first_entry_index_with_this_product_size = entry_index;
product_size = first_file.entries[entry_index].product_size;
}
}
}
if (i != TableSize) {
cerr << endl << "Wrote " << i << " table entries, expected " << TableSize << endl;
abort();
}
cout << endl << " };" << endl;
cout << " return data;" << endl;
cout << " }" << endl;
@ -855,6 +863,11 @@ int main(int argc, char* argv[])
input_filenames.emplace_back(argv[i]);
}
if (dump_tables && only_cubic_sizes) {
cerr << "Incompatible options: --only-cubic-sizes and --dump-tables." << endl;
show_usage_and_exit(argc, argv, available_actions);
}
if (!action) {
show_usage_and_exit(argc, argv, available_actions);
}