There’s a paragraph in the article about this. “The single producer and single consumer didn’t require locks nor atomic accesses to the storage array since the

There’s a paragraph in the article about this. “The single producer and single consumer didn’t require locks nor atomic accesses to the storage array since the queue guaranteed that accesses at the specified index were not concurrent. However, this is not the case with multiple-consumers. Consumers race when popping. The loser’s access might occur after the winner’s commit, making its access concurrent with the producer. Both producer and consumers must account for this.”