| Assembly | LFENCE;POPCNT RAX,RBX;CRC32 RAX,RBX | |
|---|---|---|
| Architecture Codename | Ivy Bridge | |
| Port Eligibility Instr. 1 | None | |
| Port Eligibility Instr. 2 | 1*p1 (2358 other cmds. with the same port eligibility for instr. 2) | |
| Port Eligibility Instr. 3 | None (644 other cmds. with the same port eligibility for instr. 3) | |
| (76 other cmds. with the same port eligibility for both instr. 2 and instr. 3) | ||
| Total Instr. Length (bytes) | 14 | |
| Cutoff 1 | 3344 (2 other commands with the same cutoff) | |
| Cutoff 2 | 6514 | |
| Instruction 1 | LFENCE | |
| Swap 🔄 | Instruction 2 | POPCNT RAX,RBX (444 other commands with the same Instruction 2) |
| Instruction 3 | CRC32 RAX,RBX (444 other commands with the same Instruction 3) | |
| Number of instructions | 3 | |
| Graph Generation | python3 unroll_csv.py -a IVB -asm "LFENCE;POPCNT RAX,RBX;CRC32 RAX,RBX" && python3 normalize_cycles.py | |
| Length Instruction 1 (bytes) | 3 | |
| Length Instruction 2 (bytes) | 5 | |
| Length Instruction 3 (bytes) | 6 | |
| Regioning | true | |
| Region Characterization | Type2 (312 other commands with the same type) | |
| Element Order Changes Regioning Effect | true | |
| Element Order Change Description | Different pattern of Type30 | |