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

With different registers for different operands

With 1 independent instruction

Throughput Analysis Report
--------------------------
Block Throughput: 5.76 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  | 2.0  | 0.0  | 0.0  |
---------------------------------------------------------------------------------------


| Num Of |                    Ports pressure in cycles                     |    |
|  Uops  |  0  - DV  |  1  |  2  -  D  |  3  -  D  |  4  |  5  |  6  |  7  |    |
---------------------------------------------------------------------------------
|   2    |           |     |           |           |     | 2.0 |     |     | CP | vpcompressd zmm0{k1}, zmm1
Total Num Of Uops: 2

With 16 independent instructions

Throughput Analysis Report
--------------------------
Block Throughput: 32.00 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  | 32.0 | 0.0  | 0.0  |
---------------------------------------------------------------------------------------


| Num Of |                    Ports pressure in cycles                     |    |
|  Uops  |  0  - DV  |  1  |  2  -  D  |  3  -  D  |  4  |  5  |  6  |  7  |    |
---------------------------------------------------------------------------------
|   2    |           |     |           |           |     | 2.0 |     |     | CP | vpcompressd zmm0{k1}, zmm1
|   2    |           |     |           |           |     | 2.0 |     |     | CP | vpcompressd zmm2{k1}, zmm1
|   2    |           |     |           |           |     | 2.0 |     |     | CP | vpcompressd zmm3{k1}, zmm1
|   2    |           |     |           |           |     | 2.0 |     |     | CP | vpcompressd zmm4{k1}, zmm1
|   2    |           |     |           |           |     | 2.0 |     |     | CP | vpcompressd zmm5{k1}, zmm1
|   2    |           |     |           |           |     | 2.0 |     |     | CP | vpcompressd zmm6{k1}, zmm1
|   2    |           |     |           |           |     | 2.0 |     |     | CP | vpcompressd zmm7{k1}, zmm1
|   2    |           |     |           |           |     | 2.0 |     |     | CP | vpcompressd zmm8{k1}, zmm1
|   2    |           |     |           |           |     | 2.0 |     |     | CP | vpcompressd zmm9{k1}, zmm1
|   2    |           |     |           |           |     | 2.0 |     |     | CP | vpcompressd zmm10{k1}, zmm1
|   2    |           |     |           |           |     | 2.0 |     |     | CP | vpcompressd zmm11{k1}, zmm1
|   2    |           |     |           |           |     | 2.0 |     |     | CP | vpcompressd zmm12{k1}, zmm1
|   2    |           |     |           |           |     | 2.0 |     |     | CP | vpcompressd zmm16{k1}, zmm1
|   2    |           |     |           |           |     | 2.0 |     |     | CP | vpcompressd zmm17{k1}, zmm1
|   2    |           |     |           |           |     | 2.0 |     |     | CP | vpcompressd zmm18{k1}, zmm1
|   2    |           |     |           |           |     | 2.0 |     |     | CP | vpcompressd zmm19{k1}, zmm1
Total Num Of Uops: 32

With the same register for for different operands

Throughput Analysis Report
--------------------------
Block Throughput: 5.76 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  | 2.0  | 0.0  | 0.0  |
---------------------------------------------------------------------------------------


| Num Of |                    Ports pressure in cycles                     |    |
|  Uops  |  0  - DV  |  1  |  2  -  D  |  3  -  D  |  4  |  5  |  6  |  7  |    |
---------------------------------------------------------------------------------
|   2    |           |     |           |           |     | 2.0 |     |     | CP | vpcompressd zmm0{k1}, zmm0
Total Num Of Uops: 2