diff options
Diffstat (limited to 'expat/tests/benchmark/benchmark.c')
-rw-r--r-- | expat/tests/benchmark/benchmark.c | 114 |
1 files changed, 114 insertions, 0 deletions
diff --git a/expat/tests/benchmark/benchmark.c b/expat/tests/benchmark/benchmark.c new file mode 100644 index 000000000..0f0fd18c1 --- /dev/null +++ b/expat/tests/benchmark/benchmark.c @@ -0,0 +1,114 @@ +#include <sys/stat.h> +#include <stdlib.h> +#include <stdio.h> +#include <time.h> +#include "expat.h" + +#if defined(__amigaos__) && defined(__USE_INLINE__) +#include <proto/expat.h> +#endif + +#ifdef XML_LARGE_SIZE +#define XML_FMT_INT_MOD "ll" +#else +#define XML_FMT_INT_MOD "l" +#endif + +static void +usage(const char *prog, int rc) +{ + fprintf(stderr, + "usage: %s [-n] filename bufferSize nr_of_loops\n", prog); + exit(rc); +} + +int main (int argc, char *argv[]) +{ + XML_Parser parser; + char *XMLBuf, *XMLBufEnd, *XMLBufPtr; + FILE *fd; + struct stat fileAttr; + int nrOfLoops, bufferSize, fileSize, i, isFinal; + int j = 0, ns = 0; + clock_t tstart, tend; + double cpuTime = 0.0; + + if (argc > 1) { + if (argv[1][0] == '-') { + if (argv[1][1] == 'n' && argv[1][2] == '\0') { + ns = 1; + j = 1; + } + else + usage(argv[0], 1); + } + } + + if (argc != j + 4) + usage(argv[0], 1); + + if (stat (argv[j + 1], &fileAttr) != 0) { + fprintf (stderr, "could not access file '%s'\n", argv[j + 1]); + return 2; + } + + fd = fopen (argv[j + 1], "r"); + if (!fd) { + fprintf (stderr, "could not open file '%s'\n", argv[j + 1]); + exit(2); + } + + bufferSize = atoi (argv[j + 2]); + nrOfLoops = atoi (argv[j + 3]); + if (bufferSize <= 0 || nrOfLoops <= 0) { + fprintf (stderr, + "buffer size and nr of loops must be greater than zero.\n"); + exit(3); + } + + XMLBuf = malloc (fileAttr.st_size); + fileSize = fread (XMLBuf, sizeof (char), fileAttr.st_size, fd); + fclose (fd); + + if (ns) + parser = XML_ParserCreateNS(NULL, '!'); + else + parser = XML_ParserCreate(NULL); + + i = 0; + XMLBufEnd = XMLBuf + fileSize; + while (i < nrOfLoops) { + XMLBufPtr = XMLBuf; + isFinal = 0; + tstart = clock(); + do { + int parseBufferSize = XMLBufEnd - XMLBufPtr; + if (parseBufferSize <= bufferSize) + isFinal = 1; + else + parseBufferSize = bufferSize; + if (!XML_Parse (parser, XMLBufPtr, parseBufferSize, isFinal)) { + fprintf (stderr, "error '%s' at line %" XML_FMT_INT_MOD \ + "u character %" XML_FMT_INT_MOD "u\n", + XML_ErrorString (XML_GetErrorCode (parser)), + XML_GetCurrentLineNumber (parser), + XML_GetCurrentColumnNumber (parser)); + free (XMLBuf); + XML_ParserFree (parser); + exit (4); + } + XMLBufPtr += bufferSize; + } while (!isFinal); + tend = clock(); + cpuTime += ((double) (tend - tstart)) / CLOCKS_PER_SEC; + XML_ParserReset(parser, NULL); + i++; + } + + XML_ParserFree (parser); + free (XMLBuf); + + printf ("%d loops, with buffer size %d. Average time per loop: %f\n", + nrOfLoops, bufferSize, cpuTime / (double) nrOfLoops); + return 0; +} |