VADDPD (ZMM, K, ZMM, ZMM) - Throughput and Uops (IACA 2.3)


With different registers for different operands

With 1 independent instruction

Throughput Analysis Report
--------------------------
Block Throughput: 2.86 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  | 0.0  | 0.0    0.0  | 0.0    0.0  | 0.0  | 0.5  | 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 |     |     | CP | vaddpd zmm0{k1}, zmm1, zmm2
Total Num Of Uops: 1

With 16 independent instructions


Throughput Analysis Report
--------------------------
Block Throughput: 8.00 Cycles       Throughput Bottleneck: Backend. Port0, Port5

Port Binding In Cycles Per Iteration:
---------------------------------------------------------------------------------------
|  Port  |  0   -  DV  |  1   |  2   -  D   |  3   -  D   |  4   |  5   |  6   |  7   |
---------------------------------------------------------------------------------------
| Cycles | 8.0    0.0  | 0.0  | 0.0    0.0  | 0.0    0.0  | 0.0  | 8.0  | 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       |     |           |           |     |     |     |     | CP | vaddpd zmm0{k1}, zmm1, zmm2
|   1    |           |     |           |           |     | 1.0 |     |     | CP | vaddpd zmm3{k1}, zmm1, zmm2
|   1    | 1.0       |     |           |           |     |     |     |     | CP | vaddpd zmm4{k1}, zmm1, zmm2
|   1    |           |     |           |           |     | 1.0 |     |     | CP | vaddpd zmm5{k1}, zmm1, zmm2
|   1    | 1.0       |     |           |           |     |     |     |     | CP | vaddpd zmm6{k1}, zmm1, zmm2
|   1    |           |     |           |           |     | 1.0 |     |     | CP | vaddpd zmm7{k1}, zmm1, zmm2
|   1    | 1.0       |     |           |           |     |     |     |     | CP | vaddpd zmm8{k1}, zmm1, zmm2
|   1    |           |     |           |           |     | 1.0 |     |     | CP | vaddpd zmm9{k1}, zmm1, zmm2
|   1    | 1.0       |     |           |           |     |     |     |     | CP | vaddpd zmm10{k1}, zmm1, zmm2
|   1    |           |     |           |           |     | 1.0 |     |     | CP | vaddpd zmm11{k1}, zmm1, zmm2
|   1    | 1.0       |     |           |           |     |     |     |     | CP | vaddpd zmm12{k1}, zmm1, zmm2
|   1    |           |     |           |           |     | 1.0 |     |     | CP | vaddpd zmm16{k1}, zmm1, zmm2
|   1    | 1.0       |     |           |           |     |     |     |     | CP | vaddpd zmm17{k1}, zmm1, zmm2
|   1    |           |     |           |           |     | 1.0 |     |     | CP | vaddpd zmm18{k1}, zmm1, zmm2
|   1    | 1.0       |     |           |           |     |     |     |     | CP | vaddpd zmm19{k1}, zmm1, zmm2
|   1    |           |     |           |           |     | 1.0 |     |     | CP | vaddpd zmm20{k1}, zmm1, zmm2
Total Num Of Uops: 16

With the same register for for different operands

Throughput Analysis Report
--------------------------
Block Throughput: 2.86 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  | 0.0  | 0.0    0.0  | 0.0    0.0  | 0.0  | 0.5  | 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 |     |     | CP | vaddpd zmm0{k1}, zmm0, zmm0
Total Num Of Uops: 1