PBLENDVB (XMM, XMM) - Port Usage (IACA 2.1)


With blocking instructions for port '0':

Throughput Analysis Report
--------------------------
Block Throughput: 10.00 Cycles       Throughput Bottleneck: Port0

Port Binding In Cycles Per Iteration:
-------------------------------------------------------------------------
|  Port  |  0   -  DV  |  1   |  2   -  D   |  3   -  D   |  4   |  5   |
-------------------------------------------------------------------------
| Cycles | 10.0   0.0  | 0.0  | 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 | movmskpd r8d, xmm3
|   1    | 1.0       |     |           |           |     |     | CP | movmskpd r9d, xmm3
|   1    | 1.0       |     |           |           |     |     | CP | movmskpd r10d, xmm3
|   1    | 1.0       |     |           |           |     |     | CP | movmskpd r11d, xmm3
|   1    | 1.0       |     |           |           |     |     | CP | movmskpd r12d, xmm3
|   1    | 1.0       |     |           |           |     |     | CP | movmskpd ebx, xmm3
|   1    | 1.0       |     |           |           |     |     | CP | movmskpd ecx, xmm3
|   1    | 1.0       |     |           |           |     |     | CP | movmskpd edx, xmm3
|   1    | 1.0       |     |           |           |     |     | CP | movmskpd r8d, xmm3
|   1    | 1.0       |     |           |           |     |     | CP | movmskpd r9d, xmm3
|   2    |           |     |           |           |     | 2.0 |    | pblendvb xmm1, xmm2
Total Num Of Uops: 12

With blocking instructions for port '5':

Throughput Analysis Report
--------------------------
Block Throughput: 10.00 Cycles       Throughput Bottleneck: Port5

Port Binding In Cycles Per Iteration:
-------------------------------------------------------------------------
|  Port  |  0   -  DV  |  1   |  2   -  D   |  3   -  D   |  4   |  5   |
-------------------------------------------------------------------------
| Cycles | 2.0    0.0  | 0.0  | 0.0    0.0  | 0.0    0.0  | 0.0  | 10.0 |
-------------------------------------------------------------------------


| Num Of |              Ports pressure in cycles               |    |
|  Uops  |  0  - DV  |  1  |  2  -  D  |  3  -  D  |  4  |  5  |    |
---------------------------------------------------------------------
|   1    |           |     |           |           |     | 1.0 | CP | andnpd xmm3, xmm4
|   1    |           |     |           |           |     | 1.0 | CP | andnpd xmm5, xmm4
|   1    |           |     |           |           |     | 1.0 | CP | andnpd xmm6, xmm4
|   1    |           |     |           |           |     | 1.0 | CP | andnpd xmm7, xmm4
|   1    |           |     |           |           |     | 1.0 | CP | andnpd xmm8, xmm4
|   1    |           |     |           |           |     | 1.0 | CP | andnpd xmm9, xmm4
|   1    |           |     |           |           |     | 1.0 | CP | andnpd xmm10, xmm4
|   1    |           |     |           |           |     | 1.0 | CP | andnpd xmm11, xmm4
|   1    |           |     |           |           |     | 1.0 | CP | andnpd xmm12, xmm4
|   1    |           |     |           |           |     | 1.0 | CP | andnpd xmm3, xmm4
|   2    | 2.0       |     |           |           |     |     |    | pblendvb xmm1, xmm2
Total Num Of Uops: 12

With blocking instructions for ports {'0', '5'}:

Throughput Analysis Report
--------------------------
Block Throughput: 6.00 Cycles       Throughput Bottleneck: Port0, Port5

Port Binding In Cycles Per Iteration:
-------------------------------------------------------------------------
|  Port  |  0   -  DV  |  1   |  2   -  D   |  3   -  D   |  4   |  5   |
-------------------------------------------------------------------------
| Cycles | 6.0    0.0  | 0.0  | 0.0    0.0  | 0.0    0.0  | 0.0  | 6.0  |
-------------------------------------------------------------------------


| Num Of |              Ports pressure in cycles               |    |
|  Uops  |  0  - DV  |  1  |  2  -  D  |  3  -  D  |  4  |  5  |    |
---------------------------------------------------------------------
|   1    | 1.0       |     |           |           |     |     | CP | pabsb mmx0, mmx1
|   1    |           |     |           |           |     | 1.0 | CP | pabsb mmx2, mmx1
|   1    | 1.0       |     |           |           |     |     | CP | pabsb mmx3, mmx1
|   1    |           |     |           |           |     | 1.0 | CP | pabsb mmx4, mmx1
|   1    | 1.0       |     |           |           |     |     | CP | pabsb mmx5, mmx1
|   1    |           |     |           |           |     | 1.0 | CP | pabsb mmx6, mmx1
|   1    | 1.0       |     |           |           |     |     | CP | pabsb mmx7, mmx1
|   1    |           |     |           |           |     | 1.0 | CP | pabsb mmx0, mmx1
|   1    | 1.0       |     |           |           |     |     | CP | pabsb mmx2, mmx1
|   1    |           |     |           |           |     | 1.0 | CP | pabsb mmx3, mmx1
|   2    | 1.0       |     |           |           |     | 1.0 | CP | pblendvb xmm1, xmm2
Total Num Of Uops: 12
⇨ 2 μops that can only use ports {'0', '5'}