VPSRLW (YMM, YMM, XMM) - Throughput and Uops (IACA 3.0)


With different registers for different operands

With 1 independent instruction

Throughput Analysis Report
--------------------------
Block Throughput: 0.97 Cycles       Throughput Bottleneck: Dependency chains
Loop Count:  32
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  |  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      | 1.0         |      |             |             |      | 1.0  |      |      | vpsrlw ymm0, ymm1, xmm2
Total Num Of Uops: 2

With 11 independent instructions


Throughput Analysis Report
--------------------------
Block Throughput: 10.95 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 | 11.0     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   |
-----------------------------------------------------------------------------------------
|   2      | 1.0         |      |             |             |      | 1.0  |      |      | vpsrlw ymm0, ymm1, xmm2
|   2      | 1.0         |      |             |             |      | 1.0  |      |      | vpsrlw ymm3, ymm1, xmm2
|   2      | 1.0         |      |             |             |      | 1.0  |      |      | vpsrlw ymm4, ymm1, xmm2
|   2      | 1.0         |      |             |             |      | 1.0  |      |      | vpsrlw ymm5, ymm1, xmm2
|   2      | 1.0         |      |             |             |      | 1.0  |      |      | vpsrlw ymm6, ymm1, xmm2
|   2      | 1.0         |      |             |             |      | 1.0  |      |      | vpsrlw ymm7, ymm1, xmm2
|   2      | 1.0         |      |             |             |      | 1.0  |      |      | vpsrlw ymm8, ymm1, xmm2
|   2      | 1.0         |      |             |             |      | 1.0  |      |      | vpsrlw ymm9, ymm1, xmm2
|   2      | 1.0         |      |             |             |      | 1.0  |      |      | vpsrlw ymm10, ymm1, xmm2
|   2      | 1.0         |      |             |             |      | 1.0  |      |      | vpsrlw ymm11, ymm1, xmm2
|   2      | 1.0         |      |             |             |      | 1.0  |      |      | 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: 3.90 Cycles       Throughput Bottleneck: Backend
Loop Count:  43
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  |  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      | 1.0         |      |             |             |      | 1.0  |      |      | vpsrlw ymm0, ymm0, xmm0
Total Num Of Uops: 2

With 13 independent instructions


Throughput Analysis Report
--------------------------
Block Throughput: 12.95 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 | 13.0     0.0  |  0.0  |  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      | 1.0         |      |             |             |      | 1.0  |      |      | vpsrlw ymm0, ymm0, xmm0
|   2      | 1.0         |      |             |             |      | 1.0  |      |      | vpsrlw ymm1, ymm1, xmm1
|   2      | 1.0         |      |             |             |      | 1.0  |      |      | vpsrlw ymm2, ymm2, xmm2
|   2      | 1.0         |      |             |             |      | 1.0  |      |      | vpsrlw ymm3, ymm3, xmm3
|   2      | 1.0         |      |             |             |      | 1.0  |      |      | vpsrlw ymm4, ymm4, xmm4
|   2      | 1.0         |      |             |             |      | 1.0  |      |      | vpsrlw ymm5, ymm5, xmm5
|   2      | 1.0         |      |             |             |      | 1.0  |      |      | vpsrlw ymm6, ymm6, xmm6
|   2      | 1.0         |      |             |             |      | 1.0  |      |      | vpsrlw ymm7, ymm7, xmm7
|   2      | 1.0         |      |             |             |      | 1.0  |      |      | vpsrlw ymm8, ymm8, xmm8
|   2      | 1.0         |      |             |             |      | 1.0  |      |      | vpsrlw ymm9, ymm9, xmm9
|   2      | 1.0         |      |             |             |      | 1.0  |      |      | vpsrlw ymm10, ymm10, xmm10
|   2      | 1.0         |      |             |             |      | 1.0  |      |      | vpsrlw ymm11, ymm11, xmm11
|   2      | 1.0         |      |             |             |      | 1.0  |      |      | vpsrlw ymm12, ymm12, xmm12
Total Num Of Uops: 26