|
| 1 | +/* SPDX-License-Identifier: GPL-2.0-or-later */ |
| 2 | +/* |
| 3 | + * Copyright(c) 2024 John Sanpe <sanpeqf@gmail.com> |
| 4 | + */ |
| 5 | + |
| 6 | +#define MODULE_NAME "ascii85-bandwidth" |
| 7 | +#define bfdev_log_fmt(fmt) MODULE_NAME ": " fmt |
| 8 | + |
| 9 | +#include <stdio.h> |
| 10 | +#include <stdlib.h> |
| 11 | +#include <bfdev/ascii85.h> |
| 12 | +#include <bfdev/crc.h> |
| 13 | +#include <bfdev/log.h> |
| 14 | +#include <bfdev/size.h> |
| 15 | +#include "../time.h" |
| 16 | + |
| 17 | +#define TEST_SIZE BFDEV_SZ_1MiB |
| 18 | +#define TEST_LOOP 3 |
| 19 | + |
| 20 | +int main(int argc, char const *argv[]) |
| 21 | +{ |
| 22 | + unsigned int count, loop; |
| 23 | + uint8_t *dbuff, *sbuff; |
| 24 | + size_t dlen, slen, index; |
| 25 | + uint32_t cksum, check; |
| 26 | + |
| 27 | + slen = bfdev_ascii85_encode_length(TEST_SIZE); |
| 28 | + sbuff = malloc(slen); |
| 29 | + if (!sbuff) |
| 30 | + return 1; |
| 31 | + |
| 32 | + dlen = bfdev_ascii85_decode_length(slen); |
| 33 | + dbuff = malloc(dlen); |
| 34 | + if (!dbuff) |
| 35 | + return 1; |
| 36 | + |
| 37 | + srand(time(NULL)); |
| 38 | + for (index = 0; index < dlen; ++index) |
| 39 | + dbuff[index] = (uint8_t)rand(); |
| 40 | + |
| 41 | + cksum = bfdev_crc32(dbuff, dlen, (uint32_t)~0UL); |
| 42 | + bfdev_log_info("start checksum: %#010x\n", cksum); |
| 43 | + |
| 44 | + for (count = 0; count < TEST_LOOP; ++count) { |
| 45 | + EXAMPLE_TIME_LOOP(&loop, 1000, |
| 46 | + bfdev_ascii85_encode(sbuff, dbuff, &slen, dlen); |
| 47 | + 0; |
| 48 | + ); |
| 49 | + bfdev_log_info("encode bandwidth %u: %uMiB/s\n", count, loop); |
| 50 | + |
| 51 | + EXAMPLE_TIME_LOOP(&loop, 1000, |
| 52 | + bfdev_ascii85_decode(dbuff, sbuff, &dlen, slen); |
| 53 | + 0; |
| 54 | + ); |
| 55 | + bfdev_log_info("decode bandwidth %u: %uMiB/s\n", count, loop); |
| 56 | + } |
| 57 | + |
| 58 | + check = bfdev_crc32(dbuff, dlen, (uint32_t)~0UL); |
| 59 | + if (cksum != check) { |
| 60 | + bfdev_log_err("verification failed\n"); |
| 61 | + return 1; |
| 62 | + } |
| 63 | + bfdev_log_info("verification pass\n"); |
| 64 | + |
| 65 | + free(sbuff); |
| 66 | + free(dbuff); |
| 67 | + |
| 68 | + return 0; |
| 69 | +} |
0 commit comments