VPSADBW (ZMM, ZMM, ZMM) - 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 | 0.0    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  |    |
---------------------------------------------------------------------------------
|   1    |           |     |           |           |     | 1.0 |     |     | CP | vpsadbw zmm0, zmm1, zmm2
Total Num Of Uops: 1

With 16 independent instructions

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

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