92       cerr << "couldn't open input file: " << filename << endl;  in inputfile_t()
100           cerr << "Input file " << filename << " contains redundant BEGIN MEASUREMENTS lines";  in inputfile_t()
108           cerr << "Input file " << filename << " contains redundant BEGIN MEASUREMENTS lines";  in inputfile_t()
135             cerr << "ill-formed input file: " << filename << endl;  in inputfile_t()
136             cerr << "offending line:" << endl << line << endl;  in inputfile_t()
163             cerr << "ill-formed input file: " << filename << endl;  in inputfile_t()
164             cerr << "offending line:" << endl << line << endl;  in inputfile_t()
185       cerr << "Unrecognized input file " << filename << endl;  in inputfile_t()
189       cerr << "didn't find any measurements in input file: " << filename << endl;  in inputfile_t()
241         cerr << "Unexpected ordering of entries in " << filename << endl;  in import_input_file_range_one_product_size()
242 …cerr << "(Expected all entries for product size " << hex << product_size << dec << " to be grouped…  in import_input_file_range_one_product_size()
269       cerr << "these files have different number of entries: "  in check_all_files_in_same_exact_order()
286         cerr << "entries not in same order between these files: "  in check_all_files_in_same_exact_order()
350     cerr << "Can't generate tables with --only-cubic-sizes." << endl;  in dump_table_for_subset()
391     cerr << endl << "Wrote " << i << " table entries, expected " << TableSize << endl;  in dump_table_for_subset()
428     cerr << "iterating past the last subset" << endl;  in next_subset()
482     cerr << "can't beat efficiency 1." << endl;  in find_subset_with_efficiency_higher_than()
604       cerr << "The " << invokation_name() << " action needs a list of input files." << endl;  in run()
615 …    cerr << "The " << invokation_name() << " action only uses measurements for all pot sizes, and "  in run()
620           cerr << "Unrecognized input file: " << *it << endl;  in run()
629     cerr << "searching for partitions...\r" << flush;  in run()
638       cerr << "partition " << preprocessed_inputfiles.size() << " files into " << partition.size()  in run()
648     cerr << "                                                                  " << endl;  in run()
695     cerr << "usage: " << invokation_name() << " default-sizes-data all-pot-sizes-data" << endl;  in show_usage_and_exit()
696     cerr << "checks how well the performance with default sizes compares to the best "  in show_usage_and_exit()
708 …   cerr << inputfile_default_sizes.filename << " is not an input file with default sizes." << endl;  in run()
712 …   cerr << inputfile_all_pot_sizes.filename << " is not an input file with all POT sizes." << endl;  in run()
801   cerr << "usage: " << argv[0] << " <action> [options...] <input files...>" << endl;  in show_usage_and_exit()
802   cerr << "available actions:" << endl;  in show_usage_and_exit()
804     cerr << "  " << (*it)->invokation_name() << endl;  in show_usage_and_exit()
806   cerr << "the input files should each contain an output of benchmark-blocking-sizes" << endl;  in show_usage_and_exit()
813   cerr.precision(default_precision);  in main()
836           cerr << "can't specify more than one action!" << endl;  in main()
855         cerr << "Unrecognized option: " << argv[i] << endl;  in main()
867     cerr << "Incompatible options: --only-cubic-sizes and --dump-tables." << endl;  in main()