Thanks a lot Ali and Korey for taking time to respond to the query. Umesh
On Wed, Feb 20, 2013 at 1:55 PM, Umesh Bhaskar <[email protected]>wrote: > Hi all, > > I am trying to understand the various stats available in the stats.txt > file for the Hello World binary under O3 configuration. > Specifically, I am looking at the folder > <gem5_path>/tests/quick/se/00.hello/ref/arm/linux/o3-timing. > > > Here the total committed instruction count is mentioned as > > system.cpu.commit.committedInsts 4591 > # Number of instructions committed > system.cpu.commit.committedOps 5729 > # Number of ops (including micro ops) committed > > > with the other stats listed below. > > system.cpu.commit.swp_count 0 > # Number of s/w prefetches committed > system.cpu.commit.refs 2138 > # Number of memory references committed > system.cpu.commit.loads 1200 > # Number of loads committed > system.cpu.commit.membars 12 > # Number of memory barriers committed > system.cpu.commit.branches 1007 > # Number of branches committed > system.cpu.commit.fp_insts 16 > # Number of committed floating point instructions. > system.cpu.commit.int_insts 4976 > # Number of committed integer instructions. > system.cpu.commit.function_calls 82 > # Number of function calls committed. > system.cpu.commit.bw_lim_events 119 > # number cycles where commit BW limit reached > > Now, to calculate the final instruction count, I would calculate the > following sum : int_insts + fp_insts + branches + refs = 4976+16+1007+2138 > = 8137, which does not match either committedInsts or committedOps. > Am I missing something here ? > > Thanks, > Umesh >
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