diff options
author | Gabe Black <gblack@eecs.umich.edu> | 2006-10-12 10:58:45 -0400 |
---|---|---|
committer | Gabe Black <gblack@eecs.umich.edu> | 2006-10-12 10:58:45 -0400 |
commit | 866cfaf9dc596d8547e14bc2133fb962776572a7 (patch) | |
tree | 19b82a8021533e8bc2e35f14fb0b6a0440756814 /tests/quick/00.hello/ref/alpha/tru64/o3-timing/m5stats.txt | |
parent | 6a31898a88a9ecced399ccf50636831c21d4a75e (diff) | |
parent | 78aec04b660544ea7af80d76912b4422c4426602 (diff) | |
download | gem5-866cfaf9dc596d8547e14bc2133fb962776572a7.tar.xz |
Merge zizzer.eecs.umich.edu:/bk/newmem
into zeep.eecs.umich.edu:/home/gblack/m5/newmem
--HG--
extra : convert_revision : 30b2475ba034550376455e1bc0e52e19a200fd5a
Diffstat (limited to 'tests/quick/00.hello/ref/alpha/tru64/o3-timing/m5stats.txt')
-rw-r--r-- | tests/quick/00.hello/ref/alpha/tru64/o3-timing/m5stats.txt | 1659 |
1 files changed, 46 insertions, 1613 deletions
diff --git a/tests/quick/00.hello/ref/alpha/tru64/o3-timing/m5stats.txt b/tests/quick/00.hello/ref/alpha/tru64/o3-timing/m5stats.txt index db582e731..41348bbfb 100644 --- a/tests/quick/00.hello/ref/alpha/tru64/o3-timing/m5stats.txt +++ b/tests/quick/00.hello/ref/alpha/tru64/o3-timing/m5stats.txt @@ -8,10 +8,10 @@ global.BPredUnit.condIncorrect 222 # Nu global.BPredUnit.condPredicted 441 # Number of conditional branches predicted global.BPredUnit.lookups 888 # Number of BP lookups global.BPredUnit.usedRAS 160 # Number of times the RAS was used to get a target. -host_inst_rate 26468 # Simulator instruction rate (inst/s) -host_mem_usage 159864 # Number of bytes of host memory used +host_inst_rate 26386 # Simulator instruction rate (inst/s) +host_mem_usage 159884 # Number of bytes of host memory used host_seconds 0.09 # Real time elapsed on the host -host_tick_rate 31894 # Simulator tick rate (ticks/s) +host_tick_rate 31792 # Simulator tick rate (ticks/s) memdepunit.memDep.conflictingLoads 9 # Number of conflicting loads. memdepunit.memDep.conflictingStores 7 # Number of conflicting stores. memdepunit.memDep.insertedLoads 675 # Number of loads inserted to the mem dependence unit. @@ -51,16 +51,16 @@ system.cpu.committedInsts 2387 # Nu system.cpu.committedInsts_total 2387 # Number of Instructions Simulated system.cpu.cpi 1.209049 # CPI: Cycles Per Instruction system.cpu.cpi_total 1.209049 # CPI: Total CPI of All Threads -system.cpu.dcache.ReadReq_accesses 535 # number of ReadReq accesses(hits+misses) +system.cpu.dcache.ReadReq_accesses 534 # number of ReadReq accesses(hits+misses) system.cpu.dcache.ReadReq_avg_miss_latency 3 # average ReadReq miss latency system.cpu.dcache.ReadReq_avg_mshr_miss_latency 2 # average ReadReq mshr miss latency -system.cpu.dcache.ReadReq_hits 470 # number of ReadReq hits +system.cpu.dcache.ReadReq_hits 469 # number of ReadReq hits system.cpu.dcache.ReadReq_miss_latency 195 # number of ReadReq miss cycles -system.cpu.dcache.ReadReq_miss_rate 0.121495 # miss rate for ReadReq accesses +system.cpu.dcache.ReadReq_miss_rate 0.121723 # miss rate for ReadReq accesses system.cpu.dcache.ReadReq_misses 65 # number of ReadReq misses system.cpu.dcache.ReadReq_mshr_hits 4 # number of ReadReq MSHR hits system.cpu.dcache.ReadReq_mshr_miss_latency 122 # number of ReadReq MSHR miss cycles -system.cpu.dcache.ReadReq_mshr_miss_rate 0.114019 # mshr miss rate for ReadReq accesses +system.cpu.dcache.ReadReq_mshr_miss_rate 0.114232 # mshr miss rate for ReadReq accesses system.cpu.dcache.ReadReq_mshr_misses 61 # number of ReadReq MSHR misses system.cpu.dcache.WriteReq_accesses 294 # number of WriteReq accesses(hits+misses) system.cpu.dcache.WriteReq_avg_miss_latency 3.017241 # average WriteReq miss latency @@ -75,37 +75,37 @@ system.cpu.dcache.WriteReq_mshr_miss_rate 0.081633 # m system.cpu.dcache.WriteReq_mshr_misses 24 # number of WriteReq MSHR misses system.cpu.dcache.avg_blocked_cycles_no_mshrs <err: div-0> # average number of cycles each access was blocked system.cpu.dcache.avg_blocked_cycles_no_targets 1.500000 # average number of cycles each access was blocked -system.cpu.dcache.avg_refs 8.305882 # Average number of references to valid blocks. +system.cpu.dcache.avg_refs 8.294118 # Average number of references to valid blocks. system.cpu.dcache.blocked_no_mshrs 0 # number of cycles access was blocked system.cpu.dcache.blocked_no_targets 2 # number of cycles access was blocked system.cpu.dcache.blocked_cycles_no_mshrs 0 # number of cycles access was blocked system.cpu.dcache.blocked_cycles_no_targets 3 # number of cycles access was blocked system.cpu.dcache.cache_copies 0 # number of cache copies performed -system.cpu.dcache.demand_accesses 829 # number of demand (read+write) accesses +system.cpu.dcache.demand_accesses 828 # number of demand (read+write) accesses system.cpu.dcache.demand_avg_miss_latency 3.008130 # average overall miss latency system.cpu.dcache.demand_avg_mshr_miss_latency 2.058824 # average overall mshr miss latency -system.cpu.dcache.demand_hits 706 # number of demand (read+write) hits +system.cpu.dcache.demand_hits 705 # number of demand (read+write) hits system.cpu.dcache.demand_miss_latency 370 # number of demand (read+write) miss cycles -system.cpu.dcache.demand_miss_rate 0.148372 # miss rate for demand accesses +system.cpu.dcache.demand_miss_rate 0.148551 # miss rate for demand accesses system.cpu.dcache.demand_misses 123 # number of demand (read+write) misses system.cpu.dcache.demand_mshr_hits 38 # number of demand (read+write) MSHR hits system.cpu.dcache.demand_mshr_miss_latency 175 # number of demand (read+write) MSHR miss cycles -system.cpu.dcache.demand_mshr_miss_rate 0.102533 # mshr miss rate for demand accesses +system.cpu.dcache.demand_mshr_miss_rate 0.102657 # mshr miss rate for demand accesses system.cpu.dcache.demand_mshr_misses 85 # number of demand (read+write) MSHR misses system.cpu.dcache.fast_writes 0 # number of fast writes performed system.cpu.dcache.mshr_cap_events 0 # number of times MSHR cap was activated system.cpu.dcache.no_allocate_misses 0 # Number of misses that were no-allocate -system.cpu.dcache.overall_accesses 829 # number of overall (read+write) accesses +system.cpu.dcache.overall_accesses 828 # number of overall (read+write) accesses system.cpu.dcache.overall_avg_miss_latency 3.008130 # average overall miss latency system.cpu.dcache.overall_avg_mshr_miss_latency 2.058824 # average overall mshr miss latency system.cpu.dcache.overall_avg_mshr_uncacheable_latency <err: div-0> # average overall mshr uncacheable latency -system.cpu.dcache.overall_hits 706 # number of overall hits +system.cpu.dcache.overall_hits 705 # number of overall hits system.cpu.dcache.overall_miss_latency 370 # number of overall miss cycles -system.cpu.dcache.overall_miss_rate 0.148372 # miss rate for overall accesses +system.cpu.dcache.overall_miss_rate 0.148551 # miss rate for overall accesses system.cpu.dcache.overall_misses 123 # number of overall misses system.cpu.dcache.overall_mshr_hits 38 # number of overall MSHR hits system.cpu.dcache.overall_mshr_miss_latency 175 # number of overall MSHR miss cycles -system.cpu.dcache.overall_mshr_miss_rate 0.102533 # mshr miss rate for overall accesses +system.cpu.dcache.overall_mshr_miss_rate 0.102657 # mshr miss rate for overall accesses system.cpu.dcache.overall_mshr_misses 85 # number of overall MSHR misses system.cpu.dcache.overall_mshr_uncacheable_latency 0 # number of overall MSHR uncacheable cycles system.cpu.dcache.overall_mshr_uncacheable_misses 0 # number of overall MSHR uncacheable misses @@ -122,7 +122,7 @@ system.cpu.dcache.replacements 0 # nu system.cpu.dcache.sampled_refs 85 # Sample count of references to valid blocks. system.cpu.dcache.soft_prefetch_mshr_full 0 # number of mshr full events for SW prefetching instrutions system.cpu.dcache.tagsinuse 54.161413 # Cycle average of tags in use -system.cpu.dcache.total_refs 706 # Total number of references to valid blocks. +system.cpu.dcache.total_refs 705 # Total number of references to valid blocks. system.cpu.dcache.warmup_cycle 0 # Cycle when the warmup percentage was hit. system.cpu.dcache.writebacks 0 # number of writebacks system.cpu.decode.DECODE:BlockedCycles 82 # Number of cycles decode is blocked @@ -222,30 +222,30 @@ system.cpu.icache.tagsinuse 115.538968 # Cy system.cpu.icache.total_refs 550 # Total number of references to valid blocks. system.cpu.icache.warmup_cycle 0 # Cycle when the warmup percentage was hit. system.cpu.icache.writebacks 0 # number of writebacks -system.cpu.iew.EXEC:branches 533 # Number of branches executed -system.cpu.iew.EXEC:insts 3123 # Number of executed instructions -system.cpu.iew.EXEC:loads 578 # Number of load instructions executed +system.cpu.iew.EXEC:branches 532 # Number of branches executed system.cpu.iew.EXEC:nop 247 # number of nop insts executed -system.cpu.iew.EXEC:rate 1.081746 # Inst execution rate -system.cpu.iew.EXEC:refs 914 # number of memory reference insts executed -system.cpu.iew.EXEC:squashedInsts 148 # Number of squashed instructions skipped in execute +system.cpu.iew.EXEC:rate 1.078628 # Inst execution rate +system.cpu.iew.EXEC:refs 910 # number of memory reference insts executed system.cpu.iew.EXEC:stores 336 # Number of stores executed system.cpu.iew.EXEC:swp 0 # number of swp insts executed -system.cpu.iew.WB:consumers 1801 # num instructions consuming a value -system.cpu.iew.WB:count 3070 # cumulative count of insts written-back -system.cpu.iew.WB:fanout 0.791227 # average fanout of values written-back +system.cpu.iew.WB:consumers 1788 # num instructions consuming a value +system.cpu.iew.WB:count 3053 # cumulative count of insts written-back +system.cpu.iew.WB:fanout 0.790828 # average fanout of values written-back system.cpu.iew.WB:penalized 0 # number of instrctions required to write to 'other' IQ system.cpu.iew.WB:penalized_rate 0 # fraction of instructions written-back that wrote to 'other' IQ -system.cpu.iew.WB:producers 1425 # num instructions producing a value -system.cpu.iew.WB:rate 1.063388 # insts written-back per cycle -system.cpu.iew.WB:sent 3076 # cumulative count of insts sent to commit -system.cpu.iew.branchMispredicts 159 # Number of branch mispredicts detected at execute +system.cpu.iew.WB:producers 1414 # num instructions producing a value +system.cpu.iew.WB:rate 1.057499 # insts written-back per cycle +system.cpu.iew.WB:sent 3067 # cumulative count of insts sent to commit +system.cpu.iew.branchMispredicts 158 # Number of branch mispredicts detected at execute system.cpu.iew.iewBlockCycles 0 # Number of cycles IEW is blocking system.cpu.iew.iewDispLoadInsts 675 # Number of dispatched load instructions system.cpu.iew.iewDispNonSpecInsts 7 # Number of dispatched non-speculative instructions system.cpu.iew.iewDispSquashedInsts 127 # Number of squashed instructions skipped by dispatch system.cpu.iew.iewDispStoreInsts 369 # Number of dispatched store instructions system.cpu.iew.iewDispatchedInsts 3835 # Number of instructions dispatched to IQ +system.cpu.iew.iewExecLoadInsts 574 # Number of load instructions executed +system.cpu.iew.iewExecSquashedInsts 143 # Number of squashed instructions skipped in execute +system.cpu.iew.iewExecutedInsts 3114 # Number of executed instructions system.cpu.iew.iewIQFullEvents 0 # Number of times the IQ has become full, causing a stall system.cpu.iew.iewIdleCycles 0 # Number of cycles IEW is idle system.cpu.iew.iewLSQFullEvents 0 # Number of times the LSQ has become full, causing a stall @@ -257,1586 +257,19 @@ system.cpu.iew.lsq.thread.0.forwLoads 30 # Nu system.cpu.iew.lsq.thread.0.ignoredResponses 3 # Number of memory responses ignored because the instruction is squashed system.cpu.iew.lsq.thread.0.invAddrLoads 0 # Number of loads ignored due to an invalid address system.cpu.iew.lsq.thread.0.invAddrSwpfs 0 # Number of software prefetches ignored due to an invalid address +system.cpu.iew.lsq.thread.0.memOrderViolation 11 # Number of memory ordering violations system.cpu.iew.lsq.thread.0.rescheduledLoads 0 # Number of loads that were rescheduled system.cpu.iew.lsq.thread.0.squashedLoads 260 # Number of loads squashed system.cpu.iew.lsq.thread.0.squashedStores 75 # Number of stores squashed system.cpu.iew.memOrderViolationEvents 11 # Number of memory order violations -system.cpu.iew.predictedNotTakenIncorrect 106 # Number of branches that were predicted not taken incorrectly +system.cpu.iew.predictedNotTakenIncorrect 105 # Number of branches that were predicted not taken incorrectly system.cpu.iew.predictedTakenIncorrect 53 # Number of branches that were predicted taken incorrectly system.cpu.ipc 0.827096 # IPC: Instructions Per Cycle system.cpu.ipc_total 0.827096 # IPC: Total IPC of All Threads -system.cpu.iq.IQ:residence:(null).start_dist # cycles from dispatch to issue -system.cpu.iq.IQ:residence:(null).samples 0 -system.cpu.iq.IQ:residence:(null).min_value 0 - 0 0 - 2 0 - 4 0 - 6 0 - 8 0 - 10 0 - 12 0 - 14 0 - 16 0 - 18 0 - 20 0 - 22 0 - 24 0 - 26 0 - 28 0 - 30 0 - 32 0 - 34 0 - 36 0 - 38 0 - 40 0 - 42 0 - 44 0 - 46 0 - 48 0 - 50 0 - 52 0 - 54 0 - 56 0 - 58 0 - 60 0 - 62 0 - 64 0 - 66 0 - 68 0 - 70 0 - 72 0 - 74 0 - 76 0 - 78 0 - 80 0 - 82 0 - 84 0 - 86 0 - 88 0 - 90 0 - 92 0 - 94 0 - 96 0 - 98 0 -system.cpu.iq.IQ:residence:(null).max_value 0 -system.cpu.iq.IQ:residence:(null).end_dist - -system.cpu.iq.IQ:residence:IntAlu.start_dist # cycles from dispatch to issue -system.cpu.iq.IQ:residence:IntAlu.samples 0 -system.cpu.iq.IQ:residence:IntAlu.min_value 0 - 0 0 - 2 0 - 4 0 - 6 0 - 8 0 - 10 0 - 12 0 - 14 0 - 16 0 - 18 0 - 20 0 - 22 0 - 24 0 - 26 0 - 28 0 - 30 0 - 32 0 - 34 0 - 36 0 - 38 0 - 40 0 - 42 0 - 44 0 - 46 0 - 48 0 - 50 0 - 52 0 - 54 0 - 56 0 - 58 0 - 60 0 - 62 0 - 64 0 - 66 0 - 68 0 - 70 0 - 72 0 - 74 0 - 76 0 - 78 0 - 80 0 - 82 0 - 84 0 - 86 0 - 88 0 - 90 0 - 92 0 - 94 0 - 96 0 - 98 0 -system.cpu.iq.IQ:residence:IntAlu.max_value 0 -system.cpu.iq.IQ:residence:IntAlu.end_dist - -system.cpu.iq.IQ:residence:IntMult.start_dist # cycles from dispatch to issue -system.cpu.iq.IQ:residence:IntMult.samples 0 -system.cpu.iq.IQ:residence:IntMult.min_value 0 - 0 0 - 2 0 - 4 0 - 6 0 - 8 0 - 10 0 - 12 0 - 14 0 - 16 0 - 18 0 - 20 0 - 22 0 - 24 0 - 26 0 - 28 0 - 30 0 - 32 0 - 34 0 - 36 0 - 38 0 - 40 0 - 42 0 - 44 0 - 46 0 - 48 0 - 50 0 - 52 0 - 54 0 - 56 0 - 58 0 - 60 0 - 62 0 - 64 0 - 66 0 - 68 0 - 70 0 - 72 0 - 74 0 - 76 0 - 78 0 - 80 0 - 82 0 - 84 0 - 86 0 - 88 0 - 90 0 - 92 0 - 94 0 - 96 0 - 98 0 -system.cpu.iq.IQ:residence:IntMult.max_value 0 -system.cpu.iq.IQ:residence:IntMult.end_dist - -system.cpu.iq.IQ:residence:IntDiv.start_dist # cycles from dispatch to issue -system.cpu.iq.IQ:residence:IntDiv.samples 0 -system.cpu.iq.IQ:residence:IntDiv.min_value 0 - 0 0 - 2 0 - 4 0 - 6 0 - 8 0 - 10 0 - 12 0 - 14 0 - 16 0 - 18 0 - 20 0 - 22 0 - 24 0 - 26 0 - 28 0 - 30 0 - 32 0 - 34 0 - 36 0 - 38 0 - 40 0 - 42 0 - 44 0 - 46 0 - 48 0 - 50 0 - 52 0 - 54 0 - 56 0 - 58 0 - 60 0 - 62 0 - 64 0 - 66 0 - 68 0 - 70 0 - 72 0 - 74 0 - 76 0 - 78 0 - 80 0 - 82 0 - 84 0 - 86 0 - 88 0 - 90 0 - 92 0 - 94 0 - 96 0 - 98 0 -system.cpu.iq.IQ:residence:IntDiv.max_value 0 -system.cpu.iq.IQ:residence:IntDiv.end_dist - -system.cpu.iq.IQ:residence:FloatAdd.start_dist # cycles from dispatch to issue -system.cpu.iq.IQ:residence:FloatAdd.samples 0 -system.cpu.iq.IQ:residence:FloatAdd.min_value 0 - 0 0 - 2 0 - 4 0 - 6 0 - 8 0 - 10 0 - 12 0 - 14 0 - 16 0 - 18 0 - 20 0 - 22 0 - 24 0 - 26 0 - 28 0 - 30 0 - 32 0 - 34 0 - 36 0 - 38 0 - 40 0 - 42 0 - 44 0 - 46 0 - 48 0 - 50 0 - 52 0 - 54 0 - 56 0 - 58 0 - 60 0 - 62 0 - 64 0 - 66 0 - 68 0 - 70 0 - 72 0 - 74 0 - 76 0 - 78 0 - 80 0 - 82 0 - 84 0 - 86 0 - 88 0 - 90 0 - 92 0 - 94 0 - 96 0 - 98 0 -system.cpu.iq.IQ:residence:FloatAdd.max_value 0 -system.cpu.iq.IQ:residence:FloatAdd.end_dist - -system.cpu.iq.IQ:residence:FloatCmp.start_dist # cycles from dispatch to issue -system.cpu.iq.IQ:residence:FloatCmp.samples 0 -system.cpu.iq.IQ:residence:FloatCmp.min_value 0 - 0 0 - 2 0 - 4 0 - 6 0 - 8 0 - 10 0 - 12 0 - 14 0 - 16 0 - 18 0 - 20 0 - 22 0 - 24 0 - 26 0 - 28 0 - 30 0 - 32 0 - 34 0 - 36 0 - 38 0 - 40 0 - 42 0 - 44 0 - 46 0 - 48 0 - 50 0 - 52 0 - 54 0 - 56 0 - 58 0 - 60 0 - 62 0 - 64 0 - 66 0 - 68 0 - 70 0 - 72 0 - 74 0 - 76 0 - 78 0 - 80 0 - 82 0 - 84 0 - 86 0 - 88 0 - 90 0 - 92 0 - 94 0 - 96 0 - 98 0 -system.cpu.iq.IQ:residence:FloatCmp.max_value 0 -system.cpu.iq.IQ:residence:FloatCmp.end_dist - -system.cpu.iq.IQ:residence:FloatCvt.start_dist # cycles from dispatch to issue -system.cpu.iq.IQ:residence:FloatCvt.samples 0 -system.cpu.iq.IQ:residence:FloatCvt.min_value 0 - 0 0 - 2 0 - 4 0 - 6 0 - 8 0 - 10 0 - 12 0 - 14 0 - 16 0 - 18 0 - 20 0 - 22 0 - 24 0 - 26 0 - 28 0 - 30 0 - 32 0 - 34 0 - 36 0 - 38 0 - 40 0 - 42 0 - 44 0 - 46 0 - 48 0 - 50 0 - 52 0 - 54 0 - 56 0 - 58 0 - 60 0 - 62 0 - 64 0 - 66 0 - 68 0 - 70 0 - 72 0 - 74 0 - 76 0 - 78 0 - 80 0 - 82 0 - 84 0 - 86 0 - 88 0 - 90 0 - 92 0 - 94 0 - 96 0 - 98 0 -system.cpu.iq.IQ:residence:FloatCvt.max_value 0 -system.cpu.iq.IQ:residence:FloatCvt.end_dist - -system.cpu.iq.IQ:residence:FloatMult.start_dist # cycles from dispatch to issue -system.cpu.iq.IQ:residence:FloatMult.samples 0 -system.cpu.iq.IQ:residence:FloatMult.min_value 0 - 0 0 - 2 0 - 4 0 - 6 0 - 8 0 - 10 0 - 12 0 - 14 0 - 16 0 - 18 0 - 20 0 - 22 0 - 24 0 - 26 0 - 28 0 - 30 0 - 32 0 - 34 0 - 36 0 - 38 0 - 40 0 - 42 0 - 44 0 - 46 0 - 48 0 - 50 0 - 52 0 - 54 0 - 56 0 - 58 0 - 60 0 - 62 0 - 64 0 - 66 0 - 68 0 - 70 0 - 72 0 - 74 0 - 76 0 - 78 0 - 80 0 - 82 0 - 84 0 - 86 0 - 88 0 - 90 0 - 92 0 - 94 0 - 96 0 - 98 0 -system.cpu.iq.IQ:residence:FloatMult.max_value 0 -system.cpu.iq.IQ:residence:FloatMult.end_dist - -system.cpu.iq.IQ:residence:FloatDiv.start_dist # cycles from dispatch to issue -system.cpu.iq.IQ:residence:FloatDiv.samples 0 -system.cpu.iq.IQ:residence:FloatDiv.min_value 0 - 0 0 - 2 0 - 4 0 - 6 0 - 8 0 - 10 0 - 12 0 - 14 0 - 16 0 - 18 0 - 20 0 - 22 0 - 24 0 - 26 0 - 28 0 - 30 0 - 32 0 - 34 0 - 36 0 - 38 0 - 40 0 - 42 0 - 44 0 - 46 0 - 48 0 - 50 0 - 52 0 - 54 0 - 56 0 - 58 0 - 60 0 - 62 0 - 64 0 - 66 0 - 68 0 - 70 0 - 72 0 - 74 0 - 76 0 - 78 0 - 80 0 - 82 0 - 84 0 - 86 0 - 88 0 - 90 0 - 92 0 - 94 0 - 96 0 - 98 0 -system.cpu.iq.IQ:residence:FloatDiv.max_value 0 -system.cpu.iq.IQ:residence:FloatDiv.end_dist - -system.cpu.iq.IQ:residence:FloatSqrt.start_dist # cycles from dispatch to issue -system.cpu.iq.IQ:residence:FloatSqrt.samples 0 -system.cpu.iq.IQ:residence:FloatSqrt.min_value 0 - 0 0 - 2 0 - 4 0 - 6 0 - 8 0 - 10 0 - 12 0 - 14 0 - 16 0 - 18 0 - 20 0 - 22 0 - 24 0 - 26 0 - 28 0 - 30 0 - 32 0 - 34 0 - 36 0 - 38 0 - 40 0 - 42 0 - 44 0 - 46 0 - 48 0 - 50 0 - 52 0 - 54 0 - 56 0 - 58 0 - 60 0 - 62 0 - 64 0 - 66 0 - 68 0 - 70 0 - 72 0 - 74 0 - 76 0 - 78 0 - 80 0 - 82 0 - 84 0 - 86 0 - 88 0 - 90 0 - 92 0 - 94 0 - 96 0 - 98 0 -system.cpu.iq.IQ:residence:FloatSqrt.max_value 0 -system.cpu.iq.IQ:residence:FloatSqrt.end_dist - -system.cpu.iq.IQ:residence:MemRead.start_dist # cycles from dispatch to issue -system.cpu.iq.IQ:residence:MemRead.samples 0 -system.cpu.iq.IQ:residence:MemRead.min_value 0 - 0 0 - 2 0 - 4 0 - 6 0 - 8 0 - 10 0 - 12 0 - 14 0 - 16 0 - 18 0 - 20 0 - 22 0 - 24 0 - 26 0 - 28 0 - 30 0 - 32 0 - 34 0 - 36 0 - 38 0 - 40 0 - 42 0 - 44 0 - 46 0 - 48 0 - 50 0 - 52 0 - 54 0 - 56 0 - 58 0 - 60 0 - 62 0 - 64 0 - 66 0 - 68 0 - 70 0 - 72 0 - 74 0 - 76 0 - 78 0 - 80 0 - 82 0 - 84 0 - 86 0 - 88 0 - 90 0 - 92 0 - 94 0 - 96 0 - 98 0 -system.cpu.iq.IQ:residence:MemRead.max_value 0 -system.cpu.iq.IQ:residence:MemRead.end_dist - -system.cpu.iq.IQ:residence:MemWrite.start_dist # cycles from dispatch to issue -system.cpu.iq.IQ:residence:MemWrite.samples 0 -system.cpu.iq.IQ:residence:MemWrite.min_value 0 - 0 0 - 2 0 - 4 0 - 6 0 - 8 0 - 10 0 - 12 0 - 14 0 - 16 0 - 18 0 - 20 0 - 22 0 - 24 0 - 26 0 - 28 0 - 30 0 - 32 0 - 34 0 - 36 0 - 38 0 - 40 0 - 42 0 - 44 0 - 46 0 - 48 0 - 50 0 - 52 0 - 54 0 - 56 0 - 58 0 - 60 0 - 62 0 - 64 0 - 66 0 - 68 0 - 70 0 - 72 0 - 74 0 - 76 0 - 78 0 - 80 0 - 82 0 - 84 0 - 86 0 - 88 0 - 90 0 - 92 0 - 94 0 - 96 0 - 98 0 -system.cpu.iq.IQ:residence:MemWrite.max_value 0 -system.cpu.iq.IQ:residence:MemWrite.end_dist - -system.cpu.iq.IQ:residence:IprAccess.start_dist # cycles from dispatch to issue -system.cpu.iq.IQ:residence:IprAccess.samples 0 -system.cpu.iq.IQ:residence:IprAccess.min_value 0 - 0 0 - 2 0 - 4 0 - 6 0 - 8 0 - 10 0 - 12 0 - 14 0 - 16 0 - 18 0 - 20 0 - 22 0 - 24 0 - 26 0 - 28 0 - 30 0 - 32 0 - 34 0 - 36 0 - 38 0 - 40 0 - 42 0 - 44 0 - 46 0 - 48 0 - 50 0 - 52 0 - 54 0 - 56 0 - 58 0 - 60 0 - 62 0 - 64 0 - 66 0 - 68 0 - 70 0 - 72 0 - 74 0 - 76 0 - 78 0 - 80 0 - 82 0 - 84 0 - 86 0 - 88 0 - 90 0 - 92 0 - 94 0 - 96 0 - 98 0 -system.cpu.iq.IQ:residence:IprAccess.max_value 0 -system.cpu.iq.IQ:residence:IprAccess.end_dist - -system.cpu.iq.IQ:residence:InstPrefetch.start_dist # cycles from dispatch to issue -system.cpu.iq.IQ:residence:InstPrefetch.samples 0 -system.cpu.iq.IQ:residence:InstPrefetch.min_value 0 - 0 0 - 2 0 - 4 0 - 6 0 - 8 0 - 10 0 - 12 0 - 14 0 - 16 0 - 18 0 - 20 0 - 22 0 - 24 0 - 26 0 - 28 0 - 30 0 - 32 0 - 34 0 - 36 0 - 38 0 - 40 0 - 42 0 - 44 0 - 46 0 - 48 0 - 50 0 - 52 0 - 54 0 - 56 0 - 58 0 - 60 0 - 62 0 - 64 0 - 66 0 - 68 0 - 70 0 - 72 0 - 74 0 - 76 0 - 78 0 - 80 0 - 82 0 - 84 0 - 86 0 - 88 0 - 90 0 - 92 0 - 94 0 - 96 0 - 98 0 -system.cpu.iq.IQ:residence:InstPrefetch.max_value 0 -system.cpu.iq.IQ:residence:InstPrefetch.end_dist - -system.cpu.iq.ISSUE:(null)_delay.start_dist # cycles from operands ready to issue -system.cpu.iq.ISSUE:(null)_delay.samples 0 -system.cpu.iq.ISSUE:(null)_delay.min_value 0 - 0 0 - 2 0 - 4 0 - 6 0 - 8 0 - 10 0 - 12 0 - 14 0 - 16 0 - 18 0 - 20 0 - 22 0 - 24 0 - 26 0 - 28 0 - 30 0 - 32 0 - 34 0 - 36 0 - 38 0 - 40 0 - 42 0 - 44 0 - 46 0 - 48 0 - 50 0 - 52 0 - 54 0 - 56 0 - 58 0 - 60 0 - 62 0 - 64 0 - 66 0 - 68 0 - 70 0 - 72 0 - 74 0 - 76 0 - 78 0 - 80 0 - 82 0 - 84 0 - 86 0 - 88 0 - 90 0 - 92 0 - 94 0 - 96 0 - 98 0 -system.cpu.iq.ISSUE:(null)_delay.max_value 0 -system.cpu.iq.ISSUE:(null)_delay.end_dist - -system.cpu.iq.ISSUE:IntAlu_delay.start_dist # cycles from operands ready to issue -system.cpu.iq.ISSUE:IntAlu_delay.samples 0 -system.cpu.iq.ISSUE:IntAlu_delay.min_value 0 - 0 0 - 2 0 - 4 0 - 6 0 - 8 0 - 10 0 - 12 0 - 14 0 - 16 0 - 18 0 - 20 0 - 22 0 - 24 0 - 26 0 - 28 0 - 30 0 - 32 0 - 34 0 - 36 0 - 38 0 - 40 0 - 42 0 - 44 0 - 46 0 - 48 0 - 50 0 - 52 0 - 54 0 - 56 0 - 58 0 - 60 0 - 62 0 - 64 0 - 66 0 - 68 0 - 70 0 - 72 0 - 74 0 - 76 0 - 78 0 - 80 0 - 82 0 - 84 0 - 86 0 - 88 0 - 90 0 - 92 0 - 94 0 - 96 0 - 98 0 -system.cpu.iq.ISSUE:IntAlu_delay.max_value 0 -system.cpu.iq.ISSUE:IntAlu_delay.end_dist - -system.cpu.iq.ISSUE:IntMult_delay.start_dist # cycles from operands ready to issue -system.cpu.iq.ISSUE:IntMult_delay.samples 0 -system.cpu.iq.ISSUE:IntMult_delay.min_value 0 - 0 0 - 2 0 - 4 0 - 6 0 - 8 0 - 10 0 - 12 0 - 14 0 - 16 0 - 18 0 - 20 0 - 22 0 - 24 0 - 26 0 - 28 0 - 30 0 - 32 0 - 34 0 - 36 0 - 38 0 - 40 0 - 42 0 - 44 0 - 46 0 - 48 0 - 50 0 - 52 0 - 54 0 - 56 0 - 58 0 - 60 0 - 62 0 - 64 0 - 66 0 - 68 0 - 70 0 - 72 0 - 74 0 - 76 0 - 78 0 - 80 0 - 82 0 - 84 0 - 86 0 - 88 0 - 90 0 - 92 0 - 94 0 - 96 0 - 98 0 -system.cpu.iq.ISSUE:IntMult_delay.max_value 0 -system.cpu.iq.ISSUE:IntMult_delay.end_dist - -system.cpu.iq.ISSUE:IntDiv_delay.start_dist # cycles from operands ready to issue -system.cpu.iq.ISSUE:IntDiv_delay.samples 0 -system.cpu.iq.ISSUE:IntDiv_delay.min_value 0 - 0 0 - 2 0 - 4 0 - 6 0 - 8 0 - 10 0 - 12 0 - 14 0 - 16 0 - 18 0 - 20 0 - 22 0 - 24 0 - 26 0 - 28 0 - 30 0 - 32 0 - 34 0 - 36 0 - 38 0 - 40 0 - 42 0 - 44 0 - 46 0 - 48 0 - 50 0 - 52 0 - 54 0 - 56 0 - 58 0 - 60 0 - 62 0 - 64 0 - 66 0 - 68 0 - 70 0 - 72 0 - 74 0 - 76 0 - 78 0 - 80 0 - 82 0 - 84 0 - 86 0 - 88 0 - 90 0 - 92 0 - 94 0 - 96 0 - 98 0 -system.cpu.iq.ISSUE:IntDiv_delay.max_value 0 -system.cpu.iq.ISSUE:IntDiv_delay.end_dist - -system.cpu.iq.ISSUE:FloatAdd_delay.start_dist # cycles from operands ready to issue -system.cpu.iq.ISSUE:FloatAdd_delay.samples 0 -system.cpu.iq.ISSUE:FloatAdd_delay.min_value 0 - 0 0 - 2 0 - 4 0 - 6 0 - 8 0 - 10 0 - 12 0 - 14 0 - 16 0 - 18 0 - 20 0 - 22 0 - 24 0 - 26 0 - 28 0 - 30 0 - 32 0 - 34 0 - 36 0 - 38 0 - 40 0 - 42 0 - 44 0 - 46 0 - 48 0 - 50 0 - 52 0 - 54 0 - 56 0 - 58 0 - 60 0 - 62 0 - 64 0 - 66 0 - 68 0 - 70 0 - 72 0 - 74 0 - 76 0 - 78 0 - 80 0 - 82 0 - 84 0 - 86 0 - 88 0 - 90 0 - 92 0 - 94 0 - 96 0 - 98 0 -system.cpu.iq.ISSUE:FloatAdd_delay.max_value 0 -system.cpu.iq.ISSUE:FloatAdd_delay.end_dist - -system.cpu.iq.ISSUE:FloatCmp_delay.start_dist # cycles from operands ready to issue -system.cpu.iq.ISSUE:FloatCmp_delay.samples 0 -system.cpu.iq.ISSUE:FloatCmp_delay.min_value 0 - 0 0 - 2 0 - 4 0 - 6 0 - 8 0 - 10 0 - 12 0 - 14 0 - 16 0 - 18 0 - 20 0 - 22 0 - 24 0 - 26 0 - 28 0 - 30 0 - 32 0 - 34 0 - 36 0 - 38 0 - 40 0 - 42 0 - 44 0 - 46 0 - 48 0 - 50 0 - 52 0 - 54 0 - 56 0 - 58 0 - 60 0 - 62 0 - 64 0 - 66 0 - 68 0 - 70 0 - 72 0 - 74 0 - 76 0 - 78 0 - 80 0 - 82 0 - 84 0 - 86 0 - 88 0 - 90 0 - 92 0 - 94 0 - 96 0 - 98 0 -system.cpu.iq.ISSUE:FloatCmp_delay.max_value 0 -system.cpu.iq.ISSUE:FloatCmp_delay.end_dist - -system.cpu.iq.ISSUE:FloatCvt_delay.start_dist # cycles from operands ready to issue -system.cpu.iq.ISSUE:FloatCvt_delay.samples 0 -system.cpu.iq.ISSUE:FloatCvt_delay.min_value 0 - 0 0 - 2 0 - 4 0 - 6 0 - 8 0 - 10 0 - 12 0 - 14 0 - 16 0 - 18 0 - 20 0 - 22 0 - 24 0 - 26 0 - 28 0 - 30 0 - 32 0 - 34 0 - 36 0 - 38 0 - 40 0 - 42 0 - 44 0 - 46 0 - 48 0 - 50 0 - 52 0 - 54 0 - 56 0 - 58 0 - 60 0 - 62 0 - 64 0 - 66 0 - 68 0 - 70 0 - 72 0 - 74 0 - 76 0 - 78 0 - 80 0 - 82 0 - 84 0 - 86 0 - 88 0 - 90 0 - 92 0 - 94 0 - 96 0 - 98 0 -system.cpu.iq.ISSUE:FloatCvt_delay.max_value 0 -system.cpu.iq.ISSUE:FloatCvt_delay.end_dist - -system.cpu.iq.ISSUE:FloatMult_delay.start_dist # cycles from operands ready to issue -system.cpu.iq.ISSUE:FloatMult_delay.samples 0 -system.cpu.iq.ISSUE:FloatMult_delay.min_value 0 - 0 0 - 2 0 - 4 0 - 6 0 - 8 0 - 10 0 - 12 0 - 14 0 - 16 0 - 18 0 - 20 0 - 22 0 - 24 0 - 26 0 - 28 0 - 30 0 - 32 0 - 34 0 - 36 0 - 38 0 - 40 0 - 42 0 - 44 0 - 46 0 - 48 0 - 50 0 - 52 0 - 54 0 - 56 0 - 58 0 - 60 0 - 62 0 - 64 0 - 66 0 - 68 0 - 70 0 - 72 0 - 74 0 - 76 0 - 78 0 - 80 0 - 82 0 - 84 0 - 86 0 - 88 0 - 90 0 - 92 0 - 94 0 - 96 0 - 98 0 -system.cpu.iq.ISSUE:FloatMult_delay.max_value 0 -system.cpu.iq.ISSUE:FloatMult_delay.end_dist - -system.cpu.iq.ISSUE:FloatDiv_delay.start_dist # cycles from operands ready to issue -system.cpu.iq.ISSUE:FloatDiv_delay.samples 0 -system.cpu.iq.ISSUE:FloatDiv_delay.min_value 0 - 0 0 - 2 0 - 4 0 - 6 0 - 8 0 - 10 0 - 12 0 - 14 0 - 16 0 - 18 0 - 20 0 - 22 0 - 24 0 - 26 0 - 28 0 - 30 0 - 32 0 - 34 0 - 36 0 - 38 0 - 40 0 - 42 0 - 44 0 - 46 0 - 48 0 - 50 0 - 52 0 - 54 0 - 56 0 - 58 0 - 60 0 - 62 0 - 64 0 - 66 0 - 68 0 - 70 0 - 72 0 - 74 0 - 76 0 - 78 0 - 80 0 - 82 0 - 84 0 - 86 0 - 88 0 - 90 0 - 92 0 - 94 0 - 96 0 - 98 0 -system.cpu.iq.ISSUE:FloatDiv_delay.max_value 0 -system.cpu.iq.ISSUE:FloatDiv_delay.end_dist - -system.cpu.iq.ISSUE:FloatSqrt_delay.start_dist # cycles from operands ready to issue -system.cpu.iq.ISSUE:FloatSqrt_delay.samples 0 -system.cpu.iq.ISSUE:FloatSqrt_delay.min_value 0 - 0 0 - 2 0 - 4 0 - 6 0 - 8 0 - 10 0 - 12 0 - 14 0 - 16 0 - 18 0 - 20 0 - 22 0 - 24 0 - 26 0 - 28 0 - 30 0 - 32 0 - 34 0 - 36 0 - 38 0 - 40 0 - 42 0 - 44 0 - 46 0 - 48 0 - 50 0 - 52 0 - 54 0 - 56 0 - 58 0 - 60 0 - 62 0 - 64 0 - 66 0 - 68 0 - 70 0 - 72 0 - 74 0 - 76 0 - 78 0 - 80 0 - 82 0 - 84 0 - 86 0 - 88 0 - 90 0 - 92 0 - 94 0 - 96 0 - 98 0 -system.cpu.iq.ISSUE:FloatSqrt_delay.max_value 0 -system.cpu.iq.ISSUE:FloatSqrt_delay.end_dist - -system.cpu.iq.ISSUE:MemRead_delay.start_dist # cycles from operands ready to issue -system.cpu.iq.ISSUE:MemRead_delay.samples 0 -system.cpu.iq.ISSUE:MemRead_delay.min_value 0 - 0 0 - 2 0 - 4 0 - 6 0 - 8 0 - 10 0 - 12 0 - 14 0 - 16 0 - 18 0 - 20 0 - 22 0 - 24 0 - 26 0 - 28 0 - 30 0 - 32 0 - 34 0 - 36 0 - 38 0 - 40 0 - 42 0 - 44 0 - 46 0 - 48 0 - 50 0 - 52 0 - 54 0 - 56 0 - 58 0 - 60 0 - 62 0 - 64 0 - 66 0 - 68 0 - 70 0 - 72 0 - 74 0 - 76 0 - 78 0 - 80 0 - 82 0 - 84 0 - 86 0 - 88 0 - 90 0 - 92 0 - 94 0 - 96 0 - 98 0 -system.cpu.iq.ISSUE:MemRead_delay.max_value 0 -system.cpu.iq.ISSUE:MemRead_delay.end_dist - -system.cpu.iq.ISSUE:MemWrite_delay.start_dist # cycles from operands ready to issue -system.cpu.iq.ISSUE:MemWrite_delay.samples 0 -system.cpu.iq.ISSUE:MemWrite_delay.min_value 0 - 0 0 - 2 0 - 4 0 - 6 0 - 8 0 - 10 0 - 12 0 - 14 0 - 16 0 - 18 0 - 20 0 - 22 0 - 24 0 - 26 0 - 28 0 - 30 0 - 32 0 - 34 0 - 36 0 - 38 0 - 40 0 - 42 0 - 44 0 - 46 0 - 48 0 - 50 0 - 52 0 - 54 0 - 56 0 - 58 0 - 60 0 - 62 0 - 64 0 - 66 0 - 68 0 - 70 0 - 72 0 - 74 0 - 76 0 - 78 0 - 80 0 - 82 0 - 84 0 - 86 0 - 88 0 - 90 0 - 92 0 - 94 0 - 96 0 - 98 0 -system.cpu.iq.ISSUE:MemWrite_delay.max_value 0 -system.cpu.iq.ISSUE:MemWrite_delay.end_dist - -system.cpu.iq.ISSUE:IprAccess_delay.start_dist # cycles from operands ready to issue -system.cpu.iq.ISSUE:IprAccess_delay.samples 0 -system.cpu.iq.ISSUE:IprAccess_delay.min_value 0 - 0 0 - 2 0 - 4 0 - 6 0 - 8 0 - 10 0 - 12 0 - 14 0 - 16 0 - 18 0 - 20 0 - 22 0 - 24 0 - 26 0 - 28 0 - 30 0 - 32 0 - 34 0 - 36 0 - 38 0 - 40 0 - 42 0 - 44 0 - 46 0 - 48 0 - 50 0 - 52 0 - 54 0 - 56 0 - 58 0 - 60 0 - 62 0 - 64 0 - 66 0 - 68 0 - 70 0 - 72 0 - 74 0 - 76 0 - 78 0 - 80 0 - 82 0 - 84 0 - 86 0 - 88 0 - 90 0 - 92 0 - 94 0 - 96 0 - 98 0 -system.cpu.iq.ISSUE:IprAccess_delay.max_value 0 -system.cpu.iq.ISSUE:IprAccess_delay.end_dist - -system.cpu.iq.ISSUE:InstPrefetch_delay.start_dist # cycles from operands ready to issue -system.cpu.iq.ISSUE:InstPrefetch_delay.samples 0 -system.cpu.iq.ISSUE:InstPrefetch_delay.min_value 0 - 0 0 - 2 0 - 4 0 - 6 0 - 8 0 - 10 0 - 12 0 - 14 0 - 16 0 - 18 0 - 20 0 - 22 0 - 24 0 - 26 0 - 28 0 - 30 0 - 32 0 - 34 0 - 36 0 - 38 0 - 40 0 - 42 0 - 44 0 - 46 0 - 48 0 - 50 0 - 52 0 - 54 0 - 56 0 - 58 0 - 60 0 - 62 0 - 64 0 - 66 0 - 68 0 - 70 0 - 72 0 - 74 0 - 76 0 - 78 0 - 80 0 - 82 0 - 84 0 - 86 0 - 88 0 - 90 0 - 92 0 - 94 0 - 96 0 - 98 0 -system.cpu.iq.ISSUE:InstPrefetch_delay.max_value 0 -system.cpu.iq.ISSUE:InstPrefetch_delay.end_dist - -system.cpu.iq.ISSUE:FU_type_0 3271 # Type of FU issued +system.cpu.iq.ISSUE:FU_type_0 3257 # Type of FU issued system.cpu.iq.ISSUE:FU_type_0.start_dist (null) 0 0.00% # Type of FU issued - IntAlu 2317 70.83% # Type of FU issued + IntAlu 2308 70.86% # Type of FU issued IntMult 1 0.03% # Type of FU issued IntDiv 0 0.00% # Type of FU issued FloatAdd 0 0.00% # Type of FU issued @@ -1845,13 +278,13 @@ system.cpu.iq.ISSUE:FU_type_0.start_dist FloatMult 0 0.00% # Type of FU issued FloatDiv 0 0.00% # Type of FU issued FloatSqrt 0 0.00% # Type of FU issued - MemRead 609 18.62% # Type of FU issued - MemWrite 344 10.52% # Type of FU issued + MemRead 605 18.58% # Type of FU issued + MemWrite 343 10.53% # Type of FU issued IprAccess 0 0.00% # Type of FU issued InstPrefetch 0 0.00% # Type of FU issued system.cpu.iq.ISSUE:FU_type_0.end_dist system.cpu.iq.ISSUE:fu_busy_cnt 40 # FU busy when requested -system.cpu.iq.ISSUE:fu_busy_rate 0.012229 # FU busy rate (busy events/executed inst) +system.cpu.iq.ISSUE:fu_busy_rate 0.012281 # FU busy rate (busy events/executed inst) system.cpu.iq.ISSUE:fu_full.start_dist (null) 0 0.00% # attempts to use FU when none available IntAlu 5 12.50% # attempts to use FU when none available @@ -1871,11 +304,11 @@ system.cpu.iq.ISSUE:fu_full.end_dist system.cpu.iq.ISSUE:issued_per_cycle.start_dist # Number of insts issued each cycle system.cpu.iq.ISSUE:issued_per_cycle.samples 2887 system.cpu.iq.ISSUE:issued_per_cycle.min_value 0 - 0 1603 5552.48% - 1 434 1503.29% - 2 301 1042.60% - 3 220 762.04% - 4 167 578.46% + 0 1607 5566.33% + 1 435 1506.75% + 2 298 1032.21% + 3 221 765.50% + 4 164 568.06% 5 94 325.60% 6 46 159.33% 7 15 51.96% @@ -1883,14 +316,14 @@ system.cpu.iq.ISSUE:issued_per_cycle.min_value 0 system.cpu.iq.ISSUE:issued_per_cycle.max_value 8 system.cpu.iq.ISSUE:issued_per_cycle.end_dist -system.cpu.iq.ISSUE:rate 1.133010 # Inst issue rate +system.cpu.iq.ISSUE:rate 1.128161 # Inst issue rate system.cpu.iq.iqInstsAdded 3581 # Number of instructions added to the IQ (excludes non-spec) -system.cpu.iq.iqInstsIssued 3271 # Number of instructions issued +system.cpu.iq.iqInstsIssued 3257 # Number of instructions issued system.cpu.iq.iqNonSpecInstsAdded 7 # Number of non-speculative instructions added to the IQ -system.cpu.iq.iqSquashedInstsExamined 1067 # Number of squashed instructions iterated over during squash; mainly for profiling +system.cpu.iq.iqSquashedInstsExamined 1088 # Number of squashed instructions iterated over during squash; mainly for profiling system.cpu.iq.iqSquashedInstsIssued 1 # Number of squashed instructions issued system.cpu.iq.iqSquashedNonSpecRemoved 3 # Number of squashed non-spec instructions that were removed -system.cpu.iq.iqSquashedOperandsExamined 477 # Number of squashed operands that are examined and possibly removed from graph +system.cpu.iq.iqSquashedOperandsExamined 503 # Number of squashed operands that are examined and possibly removed from graph system.cpu.l2cache.ReadReq_accesses 274 # number of ReadReq accesses(hits+misses) system.cpu.l2cache.ReadReq_avg_miss_latency 2.018248 # average ReadReq miss latency system.cpu.l2cache.ReadReq_avg_mshr_miss_latency 1 # average ReadReq mshr miss latency |