mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-11-18 07:47:17 +00:00
7bb4b2cefe
Original commit message from CVS: Added a fast non-blocking memchunk implementation, it's about 20x faster than a mutex based implementation.
73 lines
1.2 KiB
C
73 lines
1.2 KiB
C
#include <gst/gst.h>
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#include "gstmemchunk.h"
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#define MAX_THREADS 100
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static GstMemChunk *_chunks;
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static gint num_allocs;
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static gint num_threads;
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static gpointer
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alloc_chunk (void)
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{
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gpointer ret;
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ret = gst_mem_chunk_alloc (_chunks);
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return ret;
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}
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static void
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free_chunk (gpointer chunk)
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{
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gst_mem_chunk_free (_chunks, chunk);
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}
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void*
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run_test (void *threadid)
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{
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gint i;
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gpointer chunk;
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sleep(1);
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for (i = 0; i<num_allocs; i++) {
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chunk = alloc_chunk ();
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free_chunk (chunk);
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}
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pthread_exit(NULL);
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}
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gint
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main (gint argc, gchar *argv[])
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{
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pthread_t threads[MAX_THREADS];
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int rc, t;
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gst_init (&argc, &argv);
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if (argc != 3) {
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g_print ("usage: %s <num_threads> <num_allocs>\n", argv[0]);
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exit (-1);
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}
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num_threads = atoi (argv[1]);
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num_allocs = atoi (argv[2]);
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_chunks = gst_mem_chunk_new ("test", 32, 32 * 16, G_ALLOC_AND_FREE);
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for(t=0; t < num_threads; t++) {
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rc = pthread_create (&threads[t], NULL, run_test, (void *)t);
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if (rc) {
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printf ("ERROR: return code from pthread_create() is %d\n", rc);
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printf ("Code %d= %s\n", rc, strerror(rc));
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exit (-1);
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}
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}
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printf ("main(): Created %d threads.\n", t);
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pthread_exit (NULL);
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g_mem_chunk_info();
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}
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