7efa34d078
This commit implements new function BLI_task_pool_push_from_thread() who's main goal is to have less parasitic load on the CPU bu avoiding memory allocations as much as possible, making taks pushing cheaper. This function expects thread ID, which must be 0 for the thread from which pool is created from (and from which wait_work() is called) and for other threads it mush be the ID which was sent to the thread working function. This reduces allocations quite a bit in the new dependency graph, hopefully gaining some visible speedup on a fewzillion core machines (on my own machine can only see benefit in profiler, which shows significant reduce of time wasted in the memory allocation).