uops-again.info

LFENCE;SUB RAX,RBX;CMC on Ivy Bridge (more architectures)

(open in new window) (raw data)
AssemblyLFENCE;SUB RAX,RBX;CMC
Architecture CodenameIvy Bridge
Port Eligibility Instr. 1None
Port Eligibility Instr. 21*p015 (3019 other cmds. with the same port eligibility for instr. 2)
Port Eligibility Instr. 31*p015 (3019 other cmds. with the same port eligibility for instr. 3)
(883 other cmds. with the same port eligibility for both instr. 2 and instr. 3)
Total Instr. Length (bytes)7
Cutoff 12050 (2 other commands with the same cutoff)
Cutoff 24079
Instruction 1LFENCE
Swap 🔄 Instruction 2 SUB RAX,RBX (444 other commands with the same Instruction 2)
Instruction 3CMC (444 other commands with the same Instruction 3)
Number of instructions3
Graph Generationpython3 unroll_csv.py -a IVB -asm "LFENCE;SUB RAX,RBX;CMC" && python3 normalize_cycles.py
Length Instruction 1 (bytes)3
Length Instruction 2 (bytes)3
Length Instruction 3 (bytes)1
Regioningtrue
Region Characterization Type0 (642 other commands with the same type)
Element Order Changes Regioning Effectfalse
Element Order Change DescriptionSame Pattern

LFENCE;SUB RAX,RBX;CMC on additional architectures:

Other commands where Cutoff 1 = 2050:

2 instructions, click for details

Other commands where Instruction 2 = SUB RAX,RBX:

444 instructions, click for details

Other commands where Instruction 3 = CMC:

444 instructions, click for details

Other commands where Region Characterization = Type0:

642 instructions, click for details

Other commands where the port eligibility for Instruction 2 is 1*p015:

3019 instructions, click for details

Other commands where the port eligibility for Instruction 3 is 1*p015:

3019 instructions, click for details

Other commands where the port eligibility for Instruction 2 is 1*p015 and for Instruction 3 is 1*p015: