diff options
Diffstat (limited to 'src/intel/vulkan/tests/state_pool_no_free.c')
-rw-r--r-- | src/intel/vulkan/tests/state_pool_no_free.c | 117 |
1 files changed, 117 insertions, 0 deletions
diff --git a/src/intel/vulkan/tests/state_pool_no_free.c b/src/intel/vulkan/tests/state_pool_no_free.c new file mode 100644 index 0000000..4b248c2 --- /dev/null +++ b/src/intel/vulkan/tests/state_pool_no_free.c @@ -0,0 +1,117 @@ +/* + * Copyright © 2015 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS + * IN THE SOFTWARE. + */ + +#include <pthread.h> + +#include "anv_private.h" + +#define NUM_THREADS 16 +#define STATES_PER_THREAD 1024 +#define NUM_RUNS 64 + +struct job { + pthread_t thread; + unsigned id; + struct anv_state_pool *pool; + uint32_t offsets[STATES_PER_THREAD]; +} jobs[NUM_THREADS]; + +pthread_barrier_t barrier; + +static void *alloc_states(void *_job) +{ + struct job *job = _job; + + pthread_barrier_wait(&barrier); + + for (unsigned i = 0; i < STATES_PER_THREAD; i++) { + struct anv_state state = anv_state_pool_alloc(job->pool, 16, 16); + job->offsets[i] = state.offset; + } + + return NULL; +} + +static void run_test() +{ + struct anv_device device; + struct anv_block_pool block_pool; + struct anv_state_pool state_pool; + + pthread_mutex_init(&device.mutex, NULL); + anv_block_pool_init(&block_pool, &device, 64); + anv_state_pool_init(&state_pool, &block_pool); + + pthread_barrier_init(&barrier, NULL, NUM_THREADS); + + for (unsigned i = 0; i < NUM_THREADS; i++) { + jobs[i].pool = &state_pool; + jobs[i].id = i; + pthread_create(&jobs[i].thread, NULL, alloc_states, &jobs[i]); + } + + for (unsigned i = 0; i < NUM_THREADS; i++) + pthread_join(jobs[i].thread, NULL); + + /* A list of indices, one per thread */ + unsigned next[NUM_THREADS]; + memset(next, 0, sizeof(next)); + + int highest = -1; + while (true) { + /* First, we find which thread has the highest next element */ + int thread_max = -1; + int max_thread_idx = -1; + for (unsigned i = 0; i < NUM_THREADS; i++) { + if (next[i] >= STATES_PER_THREAD) + continue; + + if (thread_max < jobs[i].offsets[next[i]]) { + thread_max = jobs[i].offsets[next[i]]; + max_thread_idx = i; + } + } + + /* The only way this can happen is if all of the next[] values are at + * BLOCKS_PER_THREAD, in which case, we're done. + */ + if (thread_max == -1) + break; + + /* That next element had better be higher than the previous highest */ + assert(jobs[max_thread_idx].offsets[next[max_thread_idx]] > highest); + + highest = jobs[max_thread_idx].offsets[next[max_thread_idx]]; + next[max_thread_idx]++; + } + + anv_state_pool_finish(&state_pool); + anv_block_pool_finish(&block_pool); + pthread_mutex_destroy(&device.mutex); +} + +int main(int argc, char **argv) +{ + for (unsigned i = 0; i < NUM_RUNS; i++) + run_test(); +} |