A method, apparatus, and system are provided for early data return
indication mechanism. According to one embodiment, data cache is accessed
for data in response to a request for the data, the request received from
an instruction source, and the request waits for the data to be retrieved
from memory if the data is not located in the data cache, and an early
data ready indication is received at a resource scheduler, the early data
ready indication being received prior to receiving a data ready
indication referring to the data being ready to be retrieved from the
memory.