VCVTPS2PD (ZMM, YMM) - Port Usage (IACA 3.0)
With blocking instructions for port '0':
Throughput Analysis Report
--------------------------
Block Throughput: 9.95 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 | 10.0 0.0 | 0.0 | 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 | | | | | | | | movd r8d, mmx0
| 1 | 1.0 | | | | | | | | movd r9d, mmx0
| 1 | 1.0 | | | | | | | | movd r10d, mmx0
| 1 | 1.0 | | | | | | | | movd r11d, mmx0
| 1 | 1.0 | | | | | | | | movd r12d, mmx0
| 1 | 1.0 | | | | | | | | movd ebx, mmx0
| 1 | 1.0 | | | | | | | | movd ecx, mmx0
| 1 | 1.0 | | | | | | | | movd edx, mmx0
| 1 | 1.0 | | | | | | | | movd r8d, mmx0
| 1 | 1.0 | | | | | | | | movd r9d, mmx0
| 2 | | | | | | 2.0 | | | vcvtps2pd zmm0, ymm1
Total Num Of Uops: 12
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 | 1.0 0.0 | 0.0 | 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 | | | movd mmx0, r8d
| 1 | | | | | | 1.0 | | | movd mmx1, r8d
| 1 | | | | | | 1.0 | | | movd mmx2, r8d
| 1 | | | | | | 1.0 | | | movd mmx3, r8d
| 1 | | | | | | 1.0 | | | movd mmx4, r8d
| 1 | | | | | | 1.0 | | | movd mmx5, r8d
| 1 | | | | | | 1.0 | | | movd mmx6, r8d
| 1 | | | | | | 1.0 | | | movd mmx7, r8d
| 1 | | | | | | 1.0 | | | movd mmx0, r8d
| 1 | | | | | | 1.0 | | | movd mmx1, r8d
| 2 | 1.0 | | | | | 1.0 | | | vcvtps2pd zmm0, ymm1
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: 5.53 Cycles Throughput Bottleneck: FrontEnd
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 |
-----------------------------------------------------------------------------------------
| 2 | | 1.0 | | | | | | | vcvtph2ps xmm2, xmm3
| 2 | 1.0 | | | | | | | | vcvtph2ps xmm4, xmm3
| 2 | | 1.0 | | | | | | | vcvtph2ps xmm5, xmm3
| 2 | 1.0 | | | | | | | | vcvtph2ps xmm6, xmm3
| 2 | | 1.0 | | | | | | | vcvtph2ps xmm7, xmm3
| 2 | 1.0 | | | | | | | | vcvtph2ps xmm8, xmm3
| 2 | | 1.0 | | | | | | | vcvtph2ps xmm9, xmm3
| 2 | 1.0 | | | | | | | | vcvtph2ps xmm10, xmm3
| 2 | | 1.0 | | | | | | | vcvtph2ps xmm11, xmm3
| 2 | 1.0 | | | | | | | | vcvtph2ps xmm12, xmm3
| 2 | | | | | | 2.0 | | | vcvtps2pd zmm0, ymm1
Total Num Of Uops: 22
With blocking instructions for ports {'0', '5'}:
Throughput Analysis Report
--------------------------
Block Throughput: 6.00 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 | 6.0 0.0 | 0.0 | 0.0 0.0 | 0.0 0.0 | 0.0 | 6.0 | 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 | | | | | | | | movq mmx0, mmx1
| 1 | | | | | | 1.0 | | | movq mmx2, mmx1
| 1 | 1.0 | | | | | | | | movq mmx3, mmx1
| 1 | | | | | | 1.0 | | | movq mmx4, mmx1
| 1 | 1.0 | | | | | | | | movq mmx5, mmx1
| 1 | | | | | | 1.0 | | | movq mmx6, mmx1
| 1 | 1.0 | | | | | | | | movq mmx7, mmx1
| 1 | | | | | | 1.0 | | | movq mmx0, mmx1
| 1 | 1.0 | | | | | | | | movq mmx2, mmx1
| 1 | | | | | | 1.0 | | | movq mmx3, mmx1
| 2 | 1.0 | | | | | 1.0 | | | vcvtps2pd zmm0, ymm1
Total Num Of Uops: 12
⇨ One μop that can only use ports {'0', '5'}