VPCONFLICTQ (ZMM, ZMM) - Port Usage (IACA 3.0)


With blocking instructions for port '0':

Throughput Analysis Report
--------------------------
Block Throughput: 28.74 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 | 29.0     0.0  |  0.0  |  0.0     0.0  |  0.0     0.0  |  0.0  | 14.0  |  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
|   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
|   1      | 1.0         |      |             |             |      |      |      |      | movd r10d, mmx0
|   1      | 1.0         |      |             |             |      |      |      |      | movd r11d, mmx0
|   1      | 1.0         |      |             |             |      |      |      |      | movd r12d, mmx0
|   1      | 1.0         |      |             |             |      |      |      |      | movd ebx, mmx0
|  21      | 7.0         |      |             |             |      | 14.0 |      |      | vpconflictq zmm0, zmm1
Total Num Of Uops: 43
⇨ 7 μops that can only use port '0'

With blocking instructions for port '5':

Throughput Analysis Report
--------------------------
Block Throughput: 30.74 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 | 12.0     0.0  |  0.0  |  0.0     0.0  |  0.0     0.0  |  0.0  | 31.0  |  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
|   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
|   1      |             |      |             |             |      | 1.0  |      |      | movd mmx2, r8d
|   1      |             |      |             |             |      | 1.0  |      |      | movd mmx3, r8d
|   1      |             |      |             |             |      | 1.0  |      |      | movd mmx4, r8d
|   1      |             |      |             |             |      | 1.0  |      |      | movd mmx5, r8d
|  21      | 12.0        |      |             |             |      | 9.0  |      |      | vpconflictq zmm0, zmm1
Total Num Of Uops: 43
⇨ 9 μops that can only use port '5'

With blocking instructions for ports {'0', '1'}:

Throughput Analysis Report
--------------------------
Block Throughput: 27.00 Cycles       Throughput Bottleneck: Dependency chains
Loop Count:  22
Port Binding In Cycles Per Iteration:
--------------------------------------------------------------------------------------------------
|  Port  |   0   -  DV   |   1   |   2   -  D    |   3   -  D    |   4   |   5   |   6   |   7   |
--------------------------------------------------------------------------------------------------
| Cycles | 25.5     0.0  | 25.5  |  0.0     0.0  |  0.0     0.0  |  0.0  | 14.0  |  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      | 0.5         | 0.5  |             |             |      |      |      |      | vcvtph2ps xmm10, xmm3
|   2      | 0.5         | 0.5  |             |             |      |      |      |      | vcvtph2ps xmm11, xmm3
|   2      | 0.5         | 0.5  |             |             |      |      |      |      | vcvtph2ps xmm12, xmm3
|   2      | 0.5         | 0.5  |             |             |      |      |      |      | vcvtph2ps xmm2, xmm3
|   2      | 0.5         | 0.5  |             |             |      |      |      |      | vcvtph2ps xmm4, xmm3
|   2      | 0.5         | 0.5  |             |             |      |      |      |      | vcvtph2ps xmm5, xmm3
|   2      | 0.5         | 0.5  |             |             |      |      |      |      | vcvtph2ps xmm6, xmm3
|   2      | 0.5         | 0.5  |             |             |      |      |      |      | vcvtph2ps xmm7, xmm3
|   2      | 0.5         | 0.5  |             |             |      |      |      |      | vcvtph2ps xmm8, xmm3
|   2      | 0.5         | 0.5  |             |             |      |      |      |      | vcvtph2ps xmm9, xmm3
|   2      | 0.5         | 0.5  |             |             |      |      |      |      | vcvtph2ps xmm10, xmm3
|   2      | 0.5         | 0.5  |             |             |      |      |      |      | vcvtph2ps xmm11, xmm3
|   2      | 0.5         | 0.5  |             |             |      |      |      |      | vcvtph2ps xmm12, xmm3
|   2      | 0.5         | 0.5  |             |             |      |      |      |      | vcvtph2ps xmm2, xmm3
|   2      | 0.5         | 0.5  |             |             |      |      |      |      | vcvtph2ps xmm4, xmm3
|   2      | 0.5         | 0.5  |             |             |      |      |      |      | vcvtph2ps xmm5, xmm3
|   2      | 0.5         | 0.5  |             |             |      |      |      |      | vcvtph2ps xmm6, xmm3
|   2      | 0.5         | 0.5  |             |             |      |      |      |      | vcvtph2ps xmm7, xmm3
|   2      | 0.5         | 0.5  |             |             |      |      |      |      | vcvtph2ps xmm8, xmm3
|   2      | 0.5         | 0.5  |             |             |      |      |      |      | vcvtph2ps xmm9, xmm3
|   2      | 0.5         | 0.5  |             |             |      |      |      |      | vcvtph2ps xmm10, xmm3
|   2      | 0.5         | 0.5  |             |             |      |      |      |      | vcvtph2ps xmm11, xmm3
|   2      | 0.5         | 0.5  |             |             |      |      |      |      | vcvtph2ps xmm12, xmm3
|   2      | 0.5         | 0.5  |             |             |      |      |      |      | vcvtph2ps xmm2, xmm3
|   2      | 0.5         | 0.5  |             |             |      |      |      |      | vcvtph2ps xmm4, xmm3
|   2      | 0.5         | 0.5  |             |             |      |      |      |      | vcvtph2ps xmm5, xmm3
|   2      | 0.5         | 0.5  |             |             |      |      |      |      | vcvtph2ps xmm6, xmm3
|   2      | 0.5         | 0.5  |             |             |      |      |      |      | vcvtph2ps xmm7, xmm3
|   2      | 0.5         | 0.5  |             |             |      |      |      |      | vcvtph2ps xmm8, xmm3
|   2      | 0.5         | 0.5  |             |             |      |      |      |      | vcvtph2ps xmm9, xmm3
|   2      | 0.5         | 0.5  |             |             |      |      |      |      | vcvtph2ps xmm10, xmm3
|   2      | 0.5         | 0.5  |             |             |      |      |      |      | vcvtph2ps xmm11, xmm3
|   2      | 0.5         | 0.5  |             |             |      |      |      |      | vcvtph2ps xmm12, xmm3
|   2      | 0.5         | 0.5  |             |             |      |      |      |      | vcvtph2ps xmm2, xmm3
|   2      | 0.5         | 0.5  |             |             |      |      |      |      | vcvtph2ps xmm4, xmm3
|   2      | 0.5         | 0.5  |             |             |      |      |      |      | vcvtph2ps xmm5, xmm3
|   2      | 0.5         | 0.5  |             |             |      |      |      |      | vcvtph2ps xmm6, xmm3
|  21      | 7.0         |      |             |             |      | 14.0 |      |      | vpconflictq zmm0, zmm1
Total Num Of Uops: 109

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

Throughput Analysis Report
--------------------------
Block Throughput: 32.26 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 | 32.5     0.0  |  0.0  |  0.0     0.0  |  0.0     0.0  |  0.0  | 32.5  |  0.0  |  0.0  |
--------------------------------------------------------------------------------------------------

| Num Of   |                    Ports pressure in cycles                         |      |
|  Uops    |  0  - DV    |  1   |  2  -  D    |  3  -  D    |  4   |  5   |  6   |  7   |
-----------------------------------------------------------------------------------------
|   1      | 0.5         |      |             |             |      | 0.5  |      |      | movq mmx0, mmx1
|   1      | 0.5         |      |             |             |      | 0.5  |      |      | movq mmx2, mmx1
|   1      | 0.5         |      |             |             |      | 0.5  |      |      | movq mmx3, mmx1
|   1      | 0.5         |      |             |             |      | 0.5  |      |      | movq mmx4, mmx1
|   1      | 0.5         |      |             |             |      | 0.5  |      |      | movq mmx5, mmx1
|   1      | 0.5         |      |             |             |      | 0.5  |      |      | movq mmx6, mmx1
|   1      | 0.5         |      |             |             |      | 0.5  |      |      | movq mmx7, mmx1
|   1      | 0.5         |      |             |             |      | 0.5  |      |      | movq mmx0, mmx1
|   1      | 0.5         |      |             |             |      | 0.5  |      |      | movq mmx2, mmx1
|   1      | 0.5         |      |             |             |      | 0.5  |      |      | movq mmx3, mmx1
|   1      | 0.5         |      |             |             |      | 0.5  |      |      | movq mmx4, mmx1
|   1      | 0.5         |      |             |             |      | 0.5  |      |      | movq mmx5, mmx1
|   1      | 0.5         |      |             |             |      | 0.5  |      |      | movq mmx6, mmx1
|   1      | 0.5         |      |             |             |      | 0.5  |      |      | movq mmx7, mmx1
|   1      | 0.5         |      |             |             |      | 0.5  |      |      | movq mmx0, mmx1
|   1      | 0.5         |      |             |             |      | 0.5  |      |      | movq mmx2, mmx1
|   1      | 0.5         |      |             |             |      | 0.5  |      |      | movq mmx3, mmx1
|   1      | 0.5         |      |             |             |      | 0.5  |      |      | movq mmx4, mmx1
|   1      | 0.5         |      |             |             |      | 0.5  |      |      | movq mmx5, mmx1
|   1      | 0.5         |      |             |             |      | 0.5  |      |      | movq mmx6, mmx1
|   1      | 0.5         |      |             |             |      | 0.5  |      |      | movq mmx7, mmx1
|   1      | 0.5         |      |             |             |      | 0.5  |      |      | movq mmx0, mmx1
|   1      | 0.5         |      |             |             |      | 0.5  |      |      | movq mmx2, mmx1
|   1      | 0.5         |      |             |             |      | 0.5  |      |      | movq mmx3, mmx1
|   1      | 0.5         |      |             |             |      | 0.5  |      |      | movq mmx4, mmx1
|   1      | 0.5         |      |             |             |      | 0.5  |      |      | movq mmx5, mmx1
|   1      | 0.5         |      |             |             |      | 0.5  |      |      | movq mmx6, mmx1
|   1      | 0.5         |      |             |             |      | 0.5  |      |      | movq mmx7, mmx1
|   1      | 0.5         |      |             |             |      | 0.5  |      |      | movq mmx0, mmx1
|   1      | 0.5         |      |             |             |      | 0.5  |      |      | movq mmx2, mmx1
|   1      | 0.5         |      |             |             |      | 0.5  |      |      | movq mmx3, mmx1
|   1      | 0.5         |      |             |             |      | 0.5  |      |      | movq mmx4, mmx1
|   1      | 0.5         |      |             |             |      | 0.5  |      |      | movq mmx5, mmx1
|   1      | 0.5         |      |             |             |      | 0.5  |      |      | movq mmx6, mmx1
|   1      | 0.5         |      |             |             |      | 0.5  |      |      | movq mmx7, mmx1
|   1      | 0.5         |      |             |             |      | 0.5  |      |      | movq mmx0, mmx1
|   1      | 0.5         |      |             |             |      | 0.5  |      |      | movq mmx2, mmx1
|   1      | 0.5         |      |             |             |      | 0.5  |      |      | movq mmx3, mmx1
|   1      | 0.5         |      |             |             |      | 0.5  |      |      | movq mmx4, mmx1
|   1      | 0.5         |      |             |             |      | 0.5  |      |      | movq mmx5, mmx1
|   1      | 0.5         |      |             |             |      | 0.5  |      |      | movq mmx6, mmx1
|   1      | 0.5         |      |             |             |      | 0.5  |      |      | movq mmx7, mmx1
|   1      | 0.5         |      |             |             |      | 0.5  |      |      | movq mmx0, mmx1
|   1      | 0.5         |      |             |             |      | 0.5  |      |      | movq mmx2, mmx1
|  21      | 10.5        |      |             |             |      | 10.5 |      |      | vpconflictq zmm0, zmm1
Total Num Of Uops: 65
⇨ 5 μops that can only use ports {'0', '5'}