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9 * Software is furnished to do so, subject to the following conditions:
11 * The above copyright notice and this permission notice (including the next
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15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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26 #include "anv_private.h"
28 #define NUM_THREADS 16
29 #define STATES_PER_THREAD 1024
35 struct anv_state_pool *pool;
36 uint32_t offsets[STATES_PER_THREAD];
39 pthread_barrier_t barrier;
41 static void *alloc_states(void *_job)
43 struct job *job = _job;
45 pthread_barrier_wait(&barrier);
47 for (unsigned i = 0; i < STATES_PER_THREAD; i++) {
48 struct anv_state state = anv_state_pool_alloc(job->pool, 16, 16);
49 job->offsets[i] = state.offset;
55 static void run_test()
57 struct anv_device device;
58 struct anv_block_pool block_pool;
59 struct anv_state_pool state_pool;
61 pthread_mutex_init(&device.mutex, NULL);
62 anv_block_pool_init(&block_pool, &device, 64);
63 anv_state_pool_init(&state_pool, &block_pool);
65 pthread_barrier_init(&barrier, NULL, NUM_THREADS);
67 for (unsigned i = 0; i < NUM_THREADS; i++) {
68 jobs[i].pool = &state_pool;
70 pthread_create(&jobs[i].thread, NULL, alloc_states, &jobs[i]);
73 for (unsigned i = 0; i < NUM_THREADS; i++)
74 pthread_join(jobs[i].thread, NULL);
76 /* A list of indices, one per thread */
77 unsigned next[NUM_THREADS];
78 memset(next, 0, sizeof(next));
82 /* First, we find which thread has the highest next element */
84 int max_thread_idx = -1;
85 for (unsigned i = 0; i < NUM_THREADS; i++) {
86 if (next[i] >= STATES_PER_THREAD)
89 if (thread_max < jobs[i].offsets[next[i]]) {
90 thread_max = jobs[i].offsets[next[i]];
95 /* The only way this can happen is if all of the next[] values are at
96 * BLOCKS_PER_THREAD, in which case, we're done.
101 /* That next element had better be higher than the previous highest */
102 assert(jobs[max_thread_idx].offsets[next[max_thread_idx]] > highest);
104 highest = jobs[max_thread_idx].offsets[next[max_thread_idx]];
105 next[max_thread_idx]++;
108 anv_state_pool_finish(&state_pool);
109 anv_block_pool_finish(&block_pool);
110 pthread_mutex_destroy(&device.mutex);
113 int main(int argc, char **argv)
115 for (unsigned i = 0; i < NUM_RUNS; i++)