VPMULLQ (YMM, K, YMM, YMM) - Throughput and Uops (IACA 2.3)


With different registers for different operands

With 1 independent instruction

Throughput Analysis Report
--------------------------
Block Throughput: 11.43 Cycles       Throughput Bottleneck: FrontEnd

Port Binding In Cycles Per Iteration:
---------------------------------------------------------------------------------------
|  Port  |  0   -  DV  |  1   |  2   -  D   |  3   -  D   |  4   |  5   |  6   |  7   |
---------------------------------------------------------------------------------------
| Cycles | 1.0    0.0  | 1.0  | 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  |    |
---------------------------------------------------------------------------------
|   3    | 1.0       | 1.0 |           |           |     | 1.0 |     |     | CP | vpmullq ymm0{k1}, ymm1, ymm2
Total Num Of Uops: 3

With 16 independent instructions


Throughput Analysis Report
--------------------------
Block Throughput: 16.00 Cycles       Throughput Bottleneck: Backend. Port0, Port1, Port5

Port Binding In Cycles Per Iteration:
---------------------------------------------------------------------------------------
|  Port  |  0   -  DV  |  1   |  2   -  D   |  3   -  D   |  4   |  5   |  6   |  7   |
---------------------------------------------------------------------------------------
| Cycles | 16.0   0.0  | 16.0 | 0.0    0.0  | 0.0    0.0  | 0.0  | 16.0 | 0.0  | 0.0  |
---------------------------------------------------------------------------------------


| Num Of |                    Ports pressure in cycles                     |    |
|  Uops  |  0  - DV  |  1  |  2  -  D  |  3  -  D  |  4  |  5  |  6  |  7  |    |
---------------------------------------------------------------------------------
|   3    | 1.0       | 1.0 |           |           |     | 1.0 |     |     | CP | vpmullq ymm0{k1}, ymm1, ymm2
|   3    | 1.0       | 1.0 |           |           |     | 1.0 |     |     | CP | vpmullq ymm3{k1}, ymm1, ymm2
|   3    | 1.0       | 1.0 |           |           |     | 1.0 |     |     | CP | vpmullq ymm4{k1}, ymm1, ymm2
|   3    | 1.0       | 1.0 |           |           |     | 1.0 |     |     | CP | vpmullq ymm5{k1}, ymm1, ymm2
|   3    | 1.0       | 1.0 |           |           |     | 1.0 |     |     | CP | vpmullq ymm6{k1}, ymm1, ymm2
|   3    | 1.0       | 1.0 |           |           |     | 1.0 |     |     | CP | vpmullq ymm7{k1}, ymm1, ymm2
|   3    | 1.0       | 1.0 |           |           |     | 1.0 |     |     | CP | vpmullq ymm8{k1}, ymm1, ymm2
|   3    | 1.0       | 1.0 |           |           |     | 1.0 |     |     | CP | vpmullq ymm9{k1}, ymm1, ymm2
|   3    | 1.0       | 1.0 |           |           |     | 1.0 |     |     | CP | vpmullq ymm10{k1}, ymm1, ymm2
|   3    | 1.0       | 1.0 |           |           |     | 1.0 |     |     | CP | vpmullq ymm11{k1}, ymm1, ymm2
|   3    | 1.0       | 1.0 |           |           |     | 1.0 |     |     | CP | vpmullq ymm12{k1}, ymm1, ymm2
|   3    | 1.0       | 1.0 |           |           |     | 1.0 |     |     | CP | vpmullq ymm16{k1}, ymm1, ymm2
|   3    | 1.0       | 1.0 |           |           |     | 1.0 |     |     | CP | vpmullq ymm17{k1}, ymm1, ymm2
|   3    | 1.0       | 1.0 |           |           |     | 1.0 |     |     | CP | vpmullq ymm18{k1}, ymm1, ymm2
|   3    | 1.0       | 1.0 |           |           |     | 1.0 |     |     | CP | vpmullq ymm19{k1}, ymm1, ymm2
|   3    | 1.0       | 1.0 |           |           |     | 1.0 |     |     | CP | vpmullq ymm20{k1}, ymm1, ymm2
Total Num Of Uops: 48

With the same register for for different operands

Throughput Analysis Report
--------------------------
Block Throughput: 11.43 Cycles       Throughput Bottleneck: FrontEnd

Port Binding In Cycles Per Iteration:
---------------------------------------------------------------------------------------
|  Port  |  0   -  DV  |  1   |  2   -  D   |  3   -  D   |  4   |  5   |  6   |  7   |
---------------------------------------------------------------------------------------
| Cycles | 1.0    0.0  | 1.0  | 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  |    |
---------------------------------------------------------------------------------
|   3    | 1.0       | 1.0 |           |           |     | 1.0 |     |     | CP | vpmullq ymm0{k1}, ymm0, ymm0
Total Num Of Uops: 3