uops-again.info

LFENCE;MOV RAX,1;IMUL RAX,RBX on Skylake (more architectures)

(open in new window) (raw data)
AssemblyLFENCE;MOV RAX,1;IMUL RAX,RBX
Architecture CodenameSkylake
Port Eligibility Instr. 1None
Port Eligibility Instr. 21*p0156 (6662 other cmds. with the same port eligibility for instr. 2)
Port Eligibility Instr. 31*p1 (2358 other cmds. with the same port eligibility for instr. 3)
(650 other cmds. with the same port eligibility for both instr. 2 and instr. 3)
Total Instr. Length (bytes)12
Cutoff 1866 (67 other commands with the same cutoff)
Cutoff 21732
Instruction 1LFENCE
Swap 🔄 Instruction 2 MOV RAX,1 (444 other commands with the same Instruction 2)
Instruction 3IMUL RAX,RBX (444 other commands with the same Instruction 3)
Number of instructions3
Graph Generationpython3 unroll_csv.py -a SKL -asm "LFENCE;MOV RAX,1;IMUL RAX,RBX" && python3 normalize_cycles.py
Length Instruction 1 (bytes)3
Length Instruction 2 (bytes)5
Length Instruction 3 (bytes)4
Regioningtrue
Region Characterization Type51 (828 other commands with the same type)
Element Order Changes Regioning Effecttrue
Element Order Change DescriptionDifferent pattern of Type47

LFENCE;MOV RAX,1;IMUL RAX,RBX on additional architectures:

Other commands where Cutoff 1 = 866:

67 instructions, click for details

Other commands where Instruction 2 = MOV RAX,1:

444 instructions, click for details

Other commands where Instruction 3 = IMUL RAX,RBX:

444 instructions, click for details

Other commands where Region Characterization = Type51:

828 instructions, click for details

Other commands where the port eligibility for Instruction 2 is 1*p0156:

6662 instructions, click for details

Other commands where the port eligibility for Instruction 3 is 1*p1:

2358 instructions, click for details

Other commands where the port eligibility for Instruction 2 is 1*p0156 and for Instruction 3 is 1*p1: