MUL (R32) - Port Usage (IACA 2.3)
With blocking instructions for port '0':
Throughput Analysis Report
--------------------------
Block Throughput: 11.00 Cycles Throughput Bottleneck: Backend. Port0
Port Binding In Cycles Per Iteration:
-------------------------------------------------------------------------
| Port | 0 - DV | 1 | 2 - D | 3 - D | 4 | 5 |
-------------------------------------------------------------------------
| Cycles | 11.0 0.0 | 1.0 | 0.0 0.0 | 0.0 0.0 | 0.0 | 0.0 |
-------------------------------------------------------------------------
| Num Of | Ports pressure in cycles | |
| Uops | 0 - DV | 1 | 2 - D | 3 - D | 4 | 5 | |
---------------------------------------------------------------------
| 1 | 1.0 | | | | | | CP | cvtss2sd xmm0, xmm1
| 1 | 1.0 | | | | | | CP | cvtss2sd xmm2, xmm1
| 1 | 1.0 | | | | | | CP | cvtss2sd xmm3, xmm1
| 1 | 1.0 | | | | | | CP | cvtss2sd xmm4, xmm1
| 1 | 1.0 | | | | | | CP | cvtss2sd xmm5, xmm1
| 1 | 1.0 | | | | | | CP | cvtss2sd xmm6, xmm1
| 1 | 1.0 | | | | | | CP | cvtss2sd xmm7, xmm1
| 1 | 1.0 | | | | | | CP | cvtss2sd xmm8, xmm1
| 1 | 1.0 | | | | | | CP | cvtss2sd xmm9, xmm1
| 1 | 1.0 | | | | | | CP | cvtss2sd xmm10, xmm1
| 2 | 1.0 | 1.0 | | | | | CP | mul r8d
Total Num Of Uops: 12
⇨ One μop that can only use port '0'
With blocking instructions for port '1':
Throughput Analysis Report
--------------------------
Block Throughput: 11.00 Cycles Throughput Bottleneck: Backend. Port1
Port Binding In Cycles Per Iteration:
-------------------------------------------------------------------------
| Port | 0 - DV | 1 | 2 - D | 3 - D | 4 | 5 |
-------------------------------------------------------------------------
| Cycles | 1.0 0.0 | 11.0 | 0.0 0.0 | 0.0 0.0 | 0.0 | 0.0 |
-------------------------------------------------------------------------
| Num Of | Ports pressure in cycles | |
| Uops | 0 - DV | 1 | 2 - D | 3 - D | 4 | 5 | |
---------------------------------------------------------------------
| 1 | | 1.0 | | | | | CP | addpd xmm0, xmm1
| 1 | | 1.0 | | | | | CP | addpd xmm2, xmm1
| 1 | | 1.0 | | | | | CP | addpd xmm3, xmm1
| 1 | | 1.0 | | | | | CP | addpd xmm4, xmm1
| 1 | | 1.0 | | | | | CP | addpd xmm5, xmm1
| 1 | | 1.0 | | | | | CP | addpd xmm6, xmm1
| 1 | | 1.0 | | | | | CP | addpd xmm7, xmm1
| 1 | | 1.0 | | | | | CP | addpd xmm8, xmm1
| 1 | | 1.0 | | | | | CP | addpd xmm9, xmm1
| 1 | | 1.0 | | | | | CP | addpd xmm10, xmm1
| 2 | 1.0 | 1.0 | | | | | CP | mul r8d
Total Num Of Uops: 12
⇨ One μop that can only use port '1'