VPSRLW (YMM, YMM, XMM) - Throughput and Uops (IACA 2.3)


With different registers for different operands

With 1 independent instruction

Throughput Analysis Report
--------------------------
Block Throughput: 1.00 Cycles       Throughput Bottleneck: FrontEnd

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  | 1.0  | 0.0  | 0.0  |
---------------------------------------------------------------------------------------


| Num Of |                    Ports pressure in cycles                     |    |
|  Uops  |  0  - DV  |  1  |  2  -  D  |  3  -  D  |  4  |  5  |  6  |  7  |    |
---------------------------------------------------------------------------------
|   2    | 0.5       | 0.5 |           |           |     | 1.0 |     |     | CP | vpsrlw ymm0, ymm1, xmm2
Total Num Of Uops: 2

With 11 independent instructions


Throughput Analysis Report
--------------------------
Block Throughput: 11.00 Cycles       Throughput Bottleneck: Backend. Port5

Port Binding In Cycles Per Iteration:
---------------------------------------------------------------------------------------
|  Port  |  0   -  DV  |  1   |  2   -  D   |  3   -  D   |  4   |  5   |  6   |  7   |
---------------------------------------------------------------------------------------
| Cycles | 5.5    0.0  | 5.5  | 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  |    |
---------------------------------------------------------------------------------
|   2    | 0.5       | 0.5 |           |           |     | 1.0 |     |     | CP | vpsrlw ymm0, ymm1, xmm2
|   2    | 0.5       | 0.5 |           |           |     | 1.0 |     |     | CP | vpsrlw ymm3, ymm1, xmm2
|   2    | 0.5       | 0.5 |           |           |     | 1.0 |     |     | CP | vpsrlw ymm4, ymm1, xmm2
|   2    | 0.5       | 0.5 |           |           |     | 1.0 |     |     | CP | vpsrlw ymm5, ymm1, xmm2
|   2    | 0.5       | 0.5 |           |           |     | 1.0 |     |     | CP | vpsrlw ymm6, ymm1, xmm2
|   2    | 0.5       | 0.5 |           |           |     | 1.0 |     |     | CP | vpsrlw ymm7, ymm1, xmm2
|   2    | 0.5       | 0.5 |           |           |     | 1.0 |     |     | CP | vpsrlw ymm8, ymm1, xmm2
|   2    | 0.5       | 0.5 |           |           |     | 1.0 |     |     | CP | vpsrlw ymm9, ymm1, xmm2
|   2    | 0.5       | 0.5 |           |           |     | 1.0 |     |     | CP | vpsrlw ymm10, ymm1, xmm2
|   2    | 0.5       | 0.5 |           |           |     | 1.0 |     |     | CP | vpsrlw ymm11, ymm1, xmm2
|   2    | 0.5       | 0.5 |           |           |     | 1.0 |     |     | CP | vpsrlw ymm12, ymm1, xmm2
Total Num Of Uops: 22

With the same register for for different operands

With 1 independent instruction

Throughput Analysis Report
--------------------------
Block Throughput: 3.81 Cycles       Throughput Bottleneck: FrontEnd

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  | 1.0  | 0.0  | 0.0  |
---------------------------------------------------------------------------------------


| Num Of |                    Ports pressure in cycles                     |    |
|  Uops  |  0  - DV  |  1  |  2  -  D  |  3  -  D  |  4  |  5  |  6  |  7  |    |
---------------------------------------------------------------------------------
|   2    | 0.5       | 0.5 |           |           |     | 1.0 |     |     | CP | vpsrlw ymm0, ymm0, xmm0
Total Num Of Uops: 2

With 13 independent instructions


Throughput Analysis Report
--------------------------
Block Throughput: 13.00 Cycles       Throughput Bottleneck: Backend. Port5

Port Binding In Cycles Per Iteration:
---------------------------------------------------------------------------------------
|  Port  |  0   -  DV  |  1   |  2   -  D   |  3   -  D   |  4   |  5   |  6   |  7   |
---------------------------------------------------------------------------------------
| Cycles | 6.5    0.0  | 6.5  | 0.0    0.0  | 0.0    0.0  | 0.0  | 13.0 | 0.0  | 0.0  |
---------------------------------------------------------------------------------------


| Num Of |                    Ports pressure in cycles                     |    |
|  Uops  |  0  - DV  |  1  |  2  -  D  |  3  -  D  |  4  |  5  |  6  |  7  |    |
---------------------------------------------------------------------------------
|   2    | 0.5       | 0.5 |           |           |     | 1.0 |     |     | CP | vpsrlw ymm0, ymm0, xmm0
|   2    | 0.5       | 0.5 |           |           |     | 1.0 |     |     | CP | vpsrlw ymm1, ymm1, xmm1
|   2    | 0.5       | 0.5 |           |           |     | 1.0 |     |     | CP | vpsrlw ymm2, ymm2, xmm2
|   2    | 0.5       | 0.5 |           |           |     | 1.0 |     |     | CP | vpsrlw ymm3, ymm3, xmm3
|   2    | 0.5       | 0.5 |           |           |     | 1.0 |     |     | CP | vpsrlw ymm4, ymm4, xmm4
|   2    | 0.5       | 0.5 |           |           |     | 1.0 |     |     | CP | vpsrlw ymm5, ymm5, xmm5
|   2    | 0.5       | 0.5 |           |           |     | 1.0 |     |     | CP | vpsrlw ymm6, ymm6, xmm6
|   2    | 0.5       | 0.5 |           |           |     | 1.0 |     |     | CP | vpsrlw ymm7, ymm7, xmm7
|   2    | 0.5       | 0.5 |           |           |     | 1.0 |     |     | CP | vpsrlw ymm8, ymm8, xmm8
|   2    | 0.5       | 0.5 |           |           |     | 1.0 |     |     | CP | vpsrlw ymm9, ymm9, xmm9
|   2    | 0.5       | 0.5 |           |           |     | 1.0 |     |     | CP | vpsrlw ymm10, ymm10, xmm10
|   2    | 0.5       | 0.5 |           |           |     | 1.0 |     |     | CP | vpsrlw ymm11, ymm11, xmm11
|   2    | 0.5       | 0.5 |           |           |     | 1.0 |     |     | CP | vpsrlw ymm12, ymm12, xmm12
Total Num Of Uops: 26