adt: fix concurrent byte buffer pool unit tests

Author: frankist

include/srsran/support/memory_pool/fixed_size_memory_block_pool.h

@@ -66,7 +66,7 @@ class fixed_size_memory_block_pool
     nof_blocks(nof_blocks_),
     max_local_batches(
         std::max(std::min((size_t)MAX_LOCAL_BATCH_CAPACITY, static_cast<size_t>(nof_blocks / block_batch_size / 32U)),
-                 static_cast<size_t>(1U)))
+                 static_cast<size_t>(2U)))
   {
     srsran_assert(nof_blocks > max_local_cache_size(),
                   "The number of segments in the pool must be much larger than the thread cache size ({} <= {})",

tests/unittests/support/fixed_size_memory_pool_test.cpp

@@ -19,16 +19,16 @@ TEST(fixed_memory_block_pool_test, correct_instantiation)
 {
   struct test_tag_id {};
 
-  auto& pool = fixed_size_memory_block_pool<test_tag_id, true>::get_instance(32, 256);
-  ASSERT_EQ(pool.nof_memory_blocks(), 32);
+  auto& pool = fixed_size_memory_block_pool<test_tag_id, true>::get_instance(128, 256);
+  ASSERT_EQ(pool.nof_memory_blocks(), 128);
   ASSERT_EQ(pool.memory_block_size(), 256);
   pool.print_all_buffers();
 }
 
 TEST(fixed_memory_block_pool_test, allocated_block_is_valid)
 {
   struct test_tag_id {};
-  auto& pool  = fixed_size_memory_block_pool<test_tag_id, true>::get_instance(32, 256);
+  auto& pool  = fixed_size_memory_block_pool<test_tag_id, true>::get_instance(128, 256);
   void* block = pool.allocate_node(256);
   ASSERT_NE(block, nullptr);
   pool.deallocate_node(block);
@@ -37,7 +37,7 @@ TEST(fixed_memory_block_pool_test, allocated_block_is_valid)
 TEST(fixed_memory_block_pool_test, number_of_alloc_blocks_matches_pool_size)
 {
   struct test_tag_id {};
-  auto& pool = fixed_size_memory_block_pool<test_tag_id, true>::get_instance(32, 256);
+  auto& pool = fixed_size_memory_block_pool<test_tag_id, true>::get_instance(128, 256);
 
   std::vector<void*> blocks;