Intel® VTune™ Amplifier
CPU Metrics Reference
Assists
Available Core Time
Average Latency (cycles)
Average Loop Trip Count
Back-End Bound
BACLEARS
Bad Speculation
Bad Speculation
Branch Mispredict
Bus Lock
Cache Bound
Clockticks per Instructions Retired (CPI)
Core Bound
Core Frequency
CPU Frequency Ratio
CPU Time
CPU Usage
CPU Utilization
CPU Utilization (OpenMP)
Cycles of 0 Ports Utilized
Cycles of 1 Port Utilized
Cycles of 2 Ports Utilized
Cycles of 3+ Ports Utilized
Divider
DRAM Bandwidth Bound
DRAM Bound
DRAM Bound (HPC)
DTLB Store Overhead
Effective Time
Elapsed Time
Estimated BB Execution Count
Estimated Call Count
Estimated Ideal Time
Execution Stalls
False Sharing
Flags Merge Stalls
Floating Point
FPU Utilization
Front-End Bandwidth
Front-End Bandwidth DSB
Front-End Bandwidth LSD
Front-End Bandwidth MITE
Front-End Bound
Front-End Latency
General Retirement
Hardware Event Count
Hardware Event Sample Count
GFLOPS
ICache Line Fetch
Imbalance or Serial Spinning
Instruction Starvation
Interrupt Time
Integer
I/O Wait Time
IPC
L1 Bound
L1 Hit Rate
L1D Replacement Percentage
L1D Replacements
L1I Stall Cycles
L2 Bound
L2 Hit Bound
L2 Hit Rate
L2 Miss Bound
L2 Replacement Percentage
L2 Replacements
L3 Bound
LLC Load Misses Serviced By Remote DRAM
LLC Miss Count
LLC Replacement Percentage
LLC Replacements
Loads
Local DRAM
Local DRAM Access Count
Loop Characterization
Loop Entry Count
Machine Clears
Max DRAM Single-Package Bandwidth
Max DRAM System Bandwidth
MCDRAM Cache Bandwidth Bound
MCDRAM Flat Bandwidth Bound
Memory Bandwidth
Memory Bound
Memory Bus Transactions
Memory Efficiency
Microcode Sequencer
MO Machine Clear Overhead
MS Entry
MUX Reliability
NUMA: % of Remote Accesses
OpenMP Analysis. Collection Time
OpenMP Potential Gain
OpenMP Potential Gain (% of Collection Time)
OpenMP Region Time
Other
Overhead Time
Overhead and Spin Time
Packed GFLOPS
Parallel Region Time
Paused Time
Precise Clockticks
Remote Cache
Remote Cache Access Count
Remote DRAM
Remote DRAM Access Count
Remote / Local DRAM Ratio
Retire Stalls
Retiring
Scalar GFLOPS
Serial Time
Serial Time (outside any parallel region)
SIMD Assists
SIMD Compute-to-L1 Access Ratio
SIMD Compute-to-L2 Access Ratio
Slow LEA Stalls
SMC Machine Clear
Spin Time
Split Loads (KNL)
Split Stores
Store Bound
Store Latency
Thread Concurrency
Thread Oversubscription
Total Iteration Count
Uncore Bound
Vector Instruction Set
VPU Utilization
Wait Count
Wait Rate