geky-bot
96 lines
2.7 KiB
C
96 lines
2.7 KiB
C
[cases.bench_file_read]
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# 0 = in-order
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# 1 = reversed-order
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# 2 = random-order
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defines.ORDER = [0, 1, 2]
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defines.SIZE = '128*1024'
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defines.CHUNK_SIZE = 64
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code = '''
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lfs2_t lfs2;
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lfs2_format(&lfs2, cfg) => 0;
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lfs2_mount(&lfs2, cfg) => 0;
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lfs2_size_t chunks = (SIZE+CHUNK_SIZE-1)/CHUNK_SIZE;
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// first write the file
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lfs2_file_t file;
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uint8_t buffer[CHUNK_SIZE];
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lfs2_file_open(&lfs2, &file, "file",
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LFS2_O_WRONLY | LFS2_O_CREAT | LFS2_O_EXCL) => 0;
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for (lfs2_size_t i = 0; i < chunks; i++) {
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uint32_t chunk_prng = i;
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for (lfs2_size_t j = 0; j < CHUNK_SIZE; j++) {
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buffer[j] = BENCH_PRNG(&chunk_prng);
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}
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lfs2_file_write(&lfs2, &file, buffer, CHUNK_SIZE) => CHUNK_SIZE;
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}
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lfs2_file_write(&lfs2, &file, buffer, CHUNK_SIZE) => CHUNK_SIZE;
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lfs2_file_close(&lfs2, &file) => 0;
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// then read the file
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BENCH_START();
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lfs2_file_open(&lfs2, &file, "file", LFS2_O_RDONLY) => 0;
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uint32_t prng = 42;
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for (lfs2_size_t i = 0; i < chunks; i++) {
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lfs2_off_t i_
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= (ORDER == 0) ? i
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: (ORDER == 1) ? (chunks-1-i)
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: BENCH_PRNG(&prng) % chunks;
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lfs2_file_seek(&lfs2, &file, i_*CHUNK_SIZE, LFS2_SEEK_SET)
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=> i_*CHUNK_SIZE;
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lfs2_file_read(&lfs2, &file, buffer, CHUNK_SIZE) => CHUNK_SIZE;
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uint32_t chunk_prng = i_;
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for (lfs2_size_t j = 0; j < CHUNK_SIZE; j++) {
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assert(buffer[j] == BENCH_PRNG(&chunk_prng));
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}
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}
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lfs2_file_close(&lfs2, &file) => 0;
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BENCH_STOP();
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lfs2_unmount(&lfs2) => 0;
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'''
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[cases.bench_file_write]
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# 0 = in-order
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# 1 = reversed-order
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# 2 = random-order
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defines.ORDER = [0, 1, 2]
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defines.SIZE = '128*1024'
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defines.CHUNK_SIZE = 64
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code = '''
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lfs2_t lfs2;
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lfs2_format(&lfs2, cfg) => 0;
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lfs2_mount(&lfs2, cfg) => 0;
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lfs2_size_t chunks = (SIZE+CHUNK_SIZE-1)/CHUNK_SIZE;
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BENCH_START();
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lfs2_file_t file;
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lfs2_file_open(&lfs2, &file, "file",
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LFS2_O_WRONLY | LFS2_O_CREAT | LFS2_O_EXCL) => 0;
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uint8_t buffer[CHUNK_SIZE];
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uint32_t prng = 42;
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for (lfs2_size_t i = 0; i < chunks; i++) {
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lfs2_off_t i_
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= (ORDER == 0) ? i
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: (ORDER == 1) ? (chunks-1-i)
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: BENCH_PRNG(&prng) % chunks;
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uint32_t chunk_prng = i_;
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for (lfs2_size_t j = 0; j < CHUNK_SIZE; j++) {
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buffer[j] = BENCH_PRNG(&chunk_prng);
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}
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lfs2_file_seek(&lfs2, &file, i_*CHUNK_SIZE, LFS2_SEEK_SET)
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=> i_*CHUNK_SIZE;
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lfs2_file_write(&lfs2, &file, buffer, CHUNK_SIZE) => CHUNK_SIZE;
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}
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lfs2_file_close(&lfs2, &file) => 0;
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BENCH_STOP();
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lfs2_unmount(&lfs2) => 0;
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'''
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