Intel® VTune™ Amplifier XE and Intel® VTune™ Amplifier for Systems Help
This metric represents a fraction of cycles during which CPU was stalled due to Length Changing Prefixes (LCPs). To avoid this issue, use proper compiler flags. Intel Compiler enables these flags by default.
This metric represents a fraction of cycles during which CPU was stalled due to Length Changing Prefixes (LCPs). To avoid this issue, use proper compiler flags. Intel Compiler enables these flags by default. See the "Length-Changing Prefixes (LCP)" section in the Intel 64 and IA-32 Architectures Optimization Reference Manual.