CVTSI2SS (XMM, R32) - Port Usage (IACA 2.3)
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 | 0.0 0.0 | 11.0 | 0.0 0.0 | 0.0 0.0 | 0.0 | 2.0 |
-------------------------------------------------------------------------
| Num Of | Ports pressure in cycles | |
| Uops | 0 - DV | 1 | 2 - D | 3 - D | 4 | 5 | |
---------------------------------------------------------------------
| 1 | | 1.0 | | | | | CP | addpd xmm1, xmm2
| 1 | | 1.0 | | | | | CP | addpd xmm3, xmm2
| 1 | | 1.0 | | | | | CP | addpd xmm4, xmm2
| 1 | | 1.0 | | | | | CP | addpd xmm5, xmm2
| 1 | | 1.0 | | | | | CP | addpd xmm6, xmm2
| 1 | | 1.0 | | | | | CP | addpd xmm7, xmm2
| 1 | | 1.0 | | | | | CP | addpd xmm8, xmm2
| 1 | | 1.0 | | | | | CP | addpd xmm9, xmm2
| 1 | | 1.0 | | | | | CP | addpd xmm10, xmm2
| 1 | | 1.0 | | | | | CP | addpd xmm11, xmm2
| 3 | | 1.0 | | | | 2.0 | CP | cvtsi2ss xmm0, r8d
Total Num Of Uops: 13
⇨ One μop that can only use port '1'
With blocking instructions for port '5':
Throughput Analysis Report
--------------------------
Block Throughput: 12.00 Cycles Throughput Bottleneck: Backend. Port5
Port Binding In Cycles Per Iteration:
-------------------------------------------------------------------------
| Port | 0 - DV | 1 | 2 - D | 3 - D | 4 | 5 |
-------------------------------------------------------------------------
| Cycles | 0.0 0.0 | 1.0 | 0.0 0.0 | 0.0 0.0 | 0.0 | 12.0 |
-------------------------------------------------------------------------
| Num Of | Ports pressure in cycles | |
| Uops | 0 - DV | 1 | 2 - D | 3 - D | 4 | 5 | |
---------------------------------------------------------------------
| 1 | | | | | | 1.0 | CP | andnpd xmm1, xmm2
| 1 | | | | | | 1.0 | CP | andnpd xmm3, xmm2
| 1 | | | | | | 1.0 | CP | andnpd xmm4, xmm2
| 1 | | | | | | 1.0 | CP | andnpd xmm5, xmm2
| 1 | | | | | | 1.0 | CP | andnpd xmm6, xmm2
| 1 | | | | | | 1.0 | CP | andnpd xmm7, xmm2
| 1 | | | | | | 1.0 | CP | andnpd xmm8, xmm2
| 1 | | | | | | 1.0 | CP | andnpd xmm9, xmm2
| 1 | | | | | | 1.0 | CP | andnpd xmm10, xmm2
| 1 | | | | | | 1.0 | CP | andnpd xmm11, xmm2
| 3 | | 1.0 | | | | 2.0 | CP | cvtsi2ss xmm0, r8d
Total Num Of Uops: 13
⇨ 2 μops that can only use port '5'