CVTSI2SS (XMM, R32) - Port Usage (IACA 2.3)
With blocking instructions for port '5':
Throughput Analysis Report
--------------------------
Block Throughput: 11.00 Cycles Throughput Bottleneck: Backend. Port5
Port Binding In Cycles Per Iteration:
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| Port | 0 - DV | 1 | 2 - D | 3 - D | 4 | 5 | 6 | 7 |
---------------------------------------------------------------------------------------
| Cycles | 0.5 0.0 | 0.5 | 0.0 0.0 | 0.0 0.0 | 0.0 | 11.0 | 0.0 | 0.0 |
---------------------------------------------------------------------------------------
| Num Of | Ports pressure in cycles | |
| Uops | 0 - DV | 1 | 2 - D | 3 - D | 4 | 5 | 6 | 7 | |
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| 1 | | | | | | 1.0 | | | CP | insertps xmm1, xmm2, 0x2
| 1 | | | | | | 1.0 | | | CP | insertps xmm3, xmm2, 0x2
| 1 | | | | | | 1.0 | | | CP | insertps xmm4, xmm2, 0x2
| 1 | | | | | | 1.0 | | | CP | insertps xmm5, xmm2, 0x2
| 1 | | | | | | 1.0 | | | CP | insertps xmm6, xmm2, 0x2
| 1 | | | | | | 1.0 | | | CP | insertps xmm7, xmm2, 0x2
| 1 | | | | | | 1.0 | | | CP | insertps xmm8, xmm2, 0x2
| 1 | | | | | | 1.0 | | | CP | insertps xmm9, xmm2, 0x2
| 1 | | | | | | 1.0 | | | CP | insertps xmm10, xmm2, 0x2
| 1 | | | | | | 1.0 | | | CP | insertps xmm11, xmm2, 0x2
| 2 | 0.5 | 0.5 | | | | 1.0 | | | CP | cvtsi2ss xmm0, r8d
Total Num Of Uops: 12
⇨ One μop that can only use port '5'
With blocking instructions for ports {'0', '1'}:
Throughput Analysis Report
--------------------------
Block Throughput: 5.00 Cycles Throughput Bottleneck: Backend. Port0, Port1
Port Binding In Cycles Per Iteration:
---------------------------------------------------------------------------------------
| Port | 0 - DV | 1 | 2 - D | 3 - D | 4 | 5 | 6 | 7 |
---------------------------------------------------------------------------------------
| Cycles | 5.0 0.0 | 5.0 | 0.0 0.0 | 0.0 0.0 | 0.0 | 2.0 | 0.0 | 0.0 |
---------------------------------------------------------------------------------------
| Num Of | Ports pressure in cycles | |
| Uops | 0 - DV | 1 | 2 - D | 3 - D | 4 | 5 | 6 | 7 | |
---------------------------------------------------------------------------------
| 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
| 2 | | | | | | 2.0 | | | | cvtsi2ss xmm0, r8d
Total Num Of Uops: 12
With blocking instructions for ports {'0', '1', '5'}:
Throughput Analysis Report
--------------------------
Block Throughput: 4.00 Cycles Throughput Bottleneck: Backend. Port0, Port1, Port5
Port Binding In Cycles Per Iteration:
---------------------------------------------------------------------------------------
| Port | 0 - DV | 1 | 2 - D | 3 - D | 4 | 5 | 6 | 7 |
---------------------------------------------------------------------------------------
| Cycles | 4.0 0.0 | 4.0 | 0.0 0.0 | 0.0 0.0 | 0.0 | 4.0 | 0.0 | 0.0 |
---------------------------------------------------------------------------------------
| Num Of | Ports pressure in cycles | |
| Uops | 0 - DV | 1 | 2 - D | 3 - D | 4 | 5 | 6 | 7 | |
---------------------------------------------------------------------------------
| 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
| 2 | | 1.0 | | | | 1.0 | | | CP | cvtsi2ss xmm0, r8d
Total Num Of Uops: 12
⇨ One μop that can only use ports {'0', '1', '5'}