ADC (RAX, I32) - Port Usage (IACA 2.1)
With blocking instructions for ports {'0', '5'}:
Throughput Analysis Report
--------------------------
Block Throughput: 5.00 Cycles Throughput Bottleneck: Port0, Port5
Port Binding In Cycles Per Iteration:
-------------------------------------------------------------------------
| Port | 0 - DV | 1 | 2 - D | 3 - D | 4 | 5 |
-------------------------------------------------------------------------
| Cycles | 5.0 0.0 | 2.0 | 0.0 0.0 | 0.0 0.0 | 0.0 | 5.0 |
-------------------------------------------------------------------------
| Num Of | Ports pressure in cycles | |
| Uops | 0 - DV | 1 | 2 - D | 3 - D | 4 | 5 | |
---------------------------------------------------------------------
| 1 | 1.0 | | | | | | CP | pabsb mmx0, mmx1
| 1 | | | | | | 1.0 | CP | pabsb mmx2, mmx1
| 1 | 1.0 | | | | | | CP | pabsb mmx3, mmx1
| 1 | | | | | | 1.0 | CP | pabsb mmx4, mmx1
| 1 | 1.0 | | | | | | CP | pabsb mmx5, mmx1
| 1 | | | | | | 1.0 | CP | pabsb mmx6, mmx1
| 1 | 1.0 | | | | | | CP | pabsb mmx7, mmx1
| 1 | | | | | | 1.0 | CP | pabsb mmx0, mmx1
| 1 | 1.0 | | | | | | CP | pabsb mmx2, mmx1
| 1 | | | | | | 1.0 | CP | pabsb mmx3, mmx1
| 2 | | 2.0 | | | | | | adc rax, 0x1000000
Total Num Of Uops: 12
With blocking instructions for ports {'0', '1', '5'}:
Throughput Analysis Report
--------------------------
Block Throughput: 4.70 Cycles Throughput Bottleneck: Port0, Port1, Port5
Port Binding In Cycles Per Iteration:
-------------------------------------------------------------------------
| Port | 0 - DV | 1 | 2 - D | 3 - D | 4 | 5 |
-------------------------------------------------------------------------
| Cycles | 4.7 0.0 | 4.7 | 0.0 0.0 | 0.0 0.0 | 0.0 | 4.7 |
-------------------------------------------------------------------------
| Num Of | Ports pressure in cycles | |
| Uops | 0 - DV | 1 | 2 - D | 3 - D | 4 | 5 | |
---------------------------------------------------------------------
| 1 | 0.3 | 0.3 | | | | 0.3 | CP | movq xmm0, xmm1
| 1 | 0.3 | 0.3 | | | | 0.3 | CP | movq xmm2, xmm1
| 1 | 0.3 | 0.3 | | | | 0.3 | CP | movq xmm3, xmm1
| 1 | 0.3 | 0.4 | | | | 0.3 | CP | movq xmm4, xmm1
| 1 | 0.3 | 0.3 | | | | 0.3 | CP | movq xmm5, xmm1
| 1 | 0.3 | 0.3 | | | | 0.3 | CP | movq xmm6, xmm1
| 1 | 0.3 | 0.3 | | | | 0.3 | CP | movq xmm7, xmm1
| 1 | 0.3 | 0.3 | | | | 0.3 | CP | movq xmm8, xmm1
| 1 | 0.3 | 0.3 | | | | 0.3 | CP | movq xmm9, xmm1
| 1 | 0.3 | 0.3 | | | | 0.3 | CP | movq xmm10, xmm1
| 1 | 0.3 | 0.3 | | | | 0.3 | CP | movq xmm11, xmm1
| 1 | 0.3 | 0.3 | | | | 0.3 | CP | movq xmm12, xmm1
| 2 | 0.6 | 0.6 | | | | 0.7 | CP | adc rax, 0x1000000
Total Num Of Uops: 14
⇨ 2 μops that can only use ports {'0', '1', '5'}