ADD (AL, I8) - Throughput and Uops (IACA 2.2)
Throughput Analysis Report
--------------------------
Block Throughput: 1.00 Cycles Throughput Bottleneck: Dependency chains (possibly between iterations)
Port Binding In Cycles Per Iteration:
-------------------------------------------------------------------------
| Port | 0 - DV | 1 | 2 - D | 3 - D | 4 | 5 |
-------------------------------------------------------------------------
| Cycles | 0.3 0.0 | 0.3 | 0.0 0.0 | 0.0 0.0 | 0.0 | 0.3 |
-------------------------------------------------------------------------
| Num Of | Ports pressure in cycles | |
| Uops | 0 - DV | 1 | 2 - D | 3 - D | 4 | 5 | |
---------------------------------------------------------------------
| 1 | 0.3 | 0.3 | | | | 0.3 | CP | add al, 0x2
Total Num Of Uops: 1
With additional dependency-breaking instructions
Throughput Analysis Report
--------------------------
Block Throughput: 1.00 Cycles Throughput Bottleneck: Dependency chains (possibly between iterations)
Port Binding In Cycles Per Iteration:
-------------------------------------------------------------------------
| Port | 0 - DV | 1 | 2 - D | 3 - D | 4 | 5 |
-------------------------------------------------------------------------
| Cycles | 0.6 0.0 | 0.6 | 0.0 0.0 | 0.0 0.0 | 0.0 | 0.7 |
-------------------------------------------------------------------------
| Num Of | Ports pressure in cycles | |
| Uops | 0 - DV | 1 | 2 - D | 3 - D | 4 | 5 | |
---------------------------------------------------------------------
| 1 | 0.3 | 0.3 | | | | 0.3 | CP | add al, 0x2
| 1 | 0.3 | 0.3 | | | | 0.3 | | xor rax, rax
Total Num Of Uops: 2
With the -no_interiteration flag
Throughput Analysis Report
--------------------------
Block Throughput: 0.35 Cycles Throughput Bottleneck: Port1, Port5
Port Binding In Cycles Per Iteration:
-------------------------------------------------------------------------
| Port | 0 - DV | 1 | 2 - D | 3 - D | 4 | 5 |
-------------------------------------------------------------------------
| Cycles | 0.3 0.0 | 0.3 | 0.0 0.0 | 0.0 0.0 | 0.0 | 0.3 |
-------------------------------------------------------------------------
| Num Of | Ports pressure in cycles | |
| Uops | 0 - DV | 1 | 2 - D | 3 - D | 4 | 5 | |
---------------------------------------------------------------------
| 1 | 0.3 | 0.3 | | | | 0.3 | CP | add al, 0x2
Total Num Of Uops: 1