uops-again.info

LFENCE;SHL RAX,1;MOVZX RAX,AX on Comet Lake ð“…¢ (more architectures)

AssemblyLFENCE;SHL RAX,1;MOVZX RAX,AX
Architecture CodenameComet Lake
Port Eligibility Instr. 1None
Port Eligibility Instr. 21*p06
Port Eligibility Instr. 31*p0156
Total Instr. Length (bytes)10
Cutoff 11447 (1 other commands with the same cutoff)
Cutoff 22856
Graph (open in new window) (raw data)
Instruction 1LFENCE
Swap 🔄 Instruction 2 SHL RAX,1 (60 other commands with the same Instruction 2)
Instruction 3MOVZX RAX,AX (60 other commands with the same Instruction 3)
Number of instructions3
Graph Generationpython3 unroll_csv.py -a CML -asm "LFENCE;SHL RAX,1;MOVZX RAX,AX" && python3 normalize_cycles.py
Length Instruction 1 (bytes)3
Length Instruction 2 (bytes)3
Length Instruction 3 (bytes)4
Regioningtrue
Region CharacterizationType15 ð“…¢ (94 other commands with the same type)
Element Order Changes Regioning Effectfalse
Element Order Change DescriptionSame Pattern

See this command on additional architectures:

Other commands where Cutoff 1 = 1447:

Other commands where Instruction 2 = SHL RAX,1:

Other commands where Instruction 3 = MOVZX RAX,AX:

Other commands where Region Characterization = Type15: