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| author | Thomas Schmucker <ts@its1.de> | 2020-06-24 14:24:47 +0200 |
|---|---|---|
| committer | Thomas Schmucker <ts@its1.de> | 2020-06-24 14:24:47 +0200 |
| commit | cc86f64365d9bdf626df5ca81c4fe1dad938b757 (patch) | |
| tree | f64a0dcc7efc1bccbe1b6f1a9bb2731d9422c877 | |
| parent | 6917ea6cc1747d69ba6481647c1fc0e0525e2c70 (diff) | |
| download | libcsv-cc86f64365d9bdf626df5ca81c4fe1dad938b757.tar.gz libcsv-cc86f64365d9bdf626df5ca81c4fe1dad938b757.tar.bz2 libcsv-cc86f64365d9bdf626df5ca81c4fe1dad938b757.zip | |
Als Vergleich für Geschwindigkeit nehmen wir den Lesevorgang Byte-für-Byte an!
| -rw-r--r-- | seq-read.c | 12 |
1 files changed, 0 insertions, 12 deletions
| @@ -8,22 +8,10 @@ main(void) | |||
| 8 | clock_t start = clock(); | 8 | clock_t start = clock(); |
| 9 | size_t sum = 0; | 9 | size_t sum = 0; |
| 10 | 10 | ||
| 11 | #if 1 | ||
| 12 | int ch; | 11 | int ch; |
| 13 | while ((ch = getc(stdin)) != EOF) { | 12 | while ((ch = getc(stdin)) != EOF) { |
| 14 | sum += (unsigned char) ch; | 13 | sum += (unsigned char) ch; |
| 15 | } | 14 | } |
| 16 | #endif | ||
| 17 | |||
| 18 | #if 0 | ||
| 19 | unsigned char buffer[1024]; | ||
| 20 | size_t n; | ||
| 21 | while ((n = fread(buffer, 1, sizeof buffer, stdin)) > 0) { | ||
| 22 | for ( size_t z = 0; z != n; ++z ) { | ||
| 23 | sum += buffer[z]; | ||
| 24 | } | ||
| 25 | } | ||
| 26 | #endif | ||
| 27 | 15 | ||
| 28 | clock_t end = clock(); | 16 | clock_t end = clock(); |
| 29 | 17 | ||
