CVTSI2SS (XMM, R32) - Port Usage (IACA 3.0)
With blocking instructions for port '5':
Throughput Analysis Report
--------------------------
Block Throughput: 11.00 Cycles Throughput Bottleneck: Backend
Loop Count: 22
Port Binding In Cycles Per Iteration:
--------------------------------------------------------------------------------------------------
| 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 |
-----------------------------------------------------------------------------------------
| 1 | | | | | | 1.0 | | | insertps xmm1, xmm2, 0x2
| 1 | | | | | | 1.0 | | | insertps xmm3, xmm2, 0x2
| 1 | | | | | | 1.0 | | | insertps xmm4, xmm2, 0x2
| 1 | | | | | | 1.0 | | | insertps xmm5, xmm2, 0x2
| 1 | | | | | | 1.0 | | | insertps xmm6, xmm2, 0x2
| 1 | | | | | | 1.0 | | | insertps xmm7, xmm2, 0x2
| 1 | | | | | | 1.0 | | | insertps xmm8, xmm2, 0x2
| 1 | | | | | | 1.0 | | | insertps xmm9, xmm2, 0x2
| 1 | | | | | | 1.0 | | | insertps xmm10, xmm2, 0x2
| 1 | | | | | | 1.0 | | | insertps xmm11, xmm2, 0x2
| 2 | 0.5 | 0.5 | | | | 1.0 | | | 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: 4.95 Cycles Throughput Bottleneck: Backend
Loop Count: 22
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 | | | | | | | | pabsb xmm1, xmm2
| 1 | | 1.0 | | | | | | | pabsb xmm3, xmm2
| 1 | 1.0 | | | | | | | | pabsb xmm4, xmm2
| 1 | | 1.0 | | | | | | | pabsb xmm5, xmm2
| 1 | 1.0 | | | | | | | | pabsb xmm6, xmm2
| 1 | | 1.0 | | | | | | | pabsb xmm7, xmm2
| 1 | 1.0 | | | | | | | | pabsb xmm8, xmm2
| 1 | | 1.0 | | | | | | | pabsb xmm9, xmm2
| 1 | 1.0 | | | | | | | | pabsb xmm10, xmm2
| 1 | | 1.0 | | | | | | | pabsb 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
Loop Count: 22
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 | | | | | | | | andnpd xmm1, xmm2
| 1 | | 1.0 | | | | | | | andnpd xmm3, xmm2
| 1 | | | | | | 1.0 | | | andnpd xmm4, xmm2
| 1 | 1.0 | | | | | | | | andnpd xmm5, xmm2
| 1 | | 1.0 | | | | | | | andnpd xmm6, xmm2
| 1 | | | | | | 1.0 | | | andnpd xmm7, xmm2
| 1 | 1.0 | | | | | | | | andnpd xmm8, xmm2
| 1 | | 1.0 | | | | | | | andnpd xmm9, xmm2
| 1 | | | | | | 1.0 | | | andnpd xmm10, xmm2
| 1 | 1.0 | | | | | | | | andnpd xmm11, xmm2
| 2 | | 1.0 | | | | 1.0 | | | cvtsi2ss xmm0, r8d
Total Num Of Uops: 12
⇨ One μop that can only use ports {'0', '1', '5'}