ADC (RAX, I32) - Throughput and Uops (IACA 2.2)
Throughput Analysis Report
--------------------------
Block Throughput: 2.00 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 | |
---------------------------------------------------------------------
| 2 | 0.6 | 0.6 | | | | 0.7 | CP | adc rax, 0x1000000
Total Num Of Uops: 2
With additional dependency-breaking instructions
Throughput Analysis Report
--------------------------
Block Throughput: 1.00 Cycles Throughput Bottleneck: Port0, Port1, Port5
Port Binding In Cycles Per Iteration:
-------------------------------------------------------------------------
| Port | 0 - DV | 1 | 2 - D | 3 - D | 4 | 5 |
-------------------------------------------------------------------------
| Cycles | 1.0 0.0 | 1.0 | 0.0 0.0 | 0.0 0.0 | 0.0 | 1.0 |
-------------------------------------------------------------------------
| Num Of | Ports pressure in cycles | |
| Uops | 0 - DV | 1 | 2 - D | 3 - D | 4 | 5 | |
---------------------------------------------------------------------
| 2 | 1.0 | 1.0 | | | | | CP | adc rax, 0x1000000
| 1 | | | | | | 1.0 | CP | xor rax, rax
Total Num Of Uops: 3
With the -no_interiteration flag
Throughput Analysis Report
--------------------------
Block Throughput: 0.70 Cycles Throughput Bottleneck: Port5
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 | |
---------------------------------------------------------------------
| 2 | 0.6 | 0.6 | | | | 0.7 | CP | adc rax, 0x1000000
Total Num Of Uops: 2