VPCOMPRESSD (M512, K, ZMM) - Throughput and Uops (IACA 2.3)


With a non-indexed addressing mode

With 1 independent instruction

Throughput Analysis Report
--------------------------
Block Throughput: 2.00 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  | 0.3    0.0  | 0.3    0.0  | 1.0  | 2.0  | 0.0  | 0.3  |
---------------------------------------------------------------------------------------


| Num Of |                    Ports pressure in cycles                     |    |
|  Uops  |  0  - DV  |  1  |  2  -  D  |  3  -  D  |  4  |  5  |  6  |  7  |    |
---------------------------------------------------------------------------------
|   4^   |           |     | 0.3       | 0.3       | 1.0 | 2.0 |     | 0.3 | CP | vpcompressd zmmword ptr [r14]{k1}, zmm0
Total Num Of Uops: 4

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  | 5.3    0.0  | 5.3    0.0  | 16.0 | 32.0 | 0.0  | 5.3  |
---------------------------------------------------------------------------------------


| Num Of |                    Ports pressure in cycles                     |    |
|  Uops  |  0  - DV  |  1  |  2  -  D  |  3  -  D  |  4  |  5  |  6  |  7  |    |
---------------------------------------------------------------------------------
|   4^   |           |     | 0.3       | 0.3       | 1.0 | 2.0 |     | 0.3 | CP | vpcompressd zmmword ptr [r14]{k1}, zmm0
|   4^   |           |     | 0.3       | 0.3       | 1.0 | 2.0 |     | 0.3 | CP | vpcompressd zmmword ptr [r14+0x40]{k1}, zmm0
|   4^   |           |     | 0.3       | 0.3       | 1.0 | 2.0 |     | 0.3 | CP | vpcompressd zmmword ptr [r14+0x80]{k1}, zmm0
|   4^   |           |     | 0.3       | 0.3       | 1.0 | 2.0 |     | 0.3 | CP | vpcompressd zmmword ptr [r14+0xc0]{k1}, zmm0
|   4^   |           |     | 0.3       | 0.3       | 1.0 | 2.0 |     | 0.3 | CP | vpcompressd zmmword ptr [r14+0x100]{k1}, zmm0
|   4^   |           |     | 0.3       | 0.3       | 1.0 | 2.0 |     | 0.3 | CP | vpcompressd zmmword ptr [r14+0x140]{k1}, zmm0
|   4^   |           |     | 0.3       | 0.3       | 1.0 | 2.0 |     | 0.3 | CP | vpcompressd zmmword ptr [r14+0x180]{k1}, zmm0
|   4^   |           |     | 0.3       | 0.3       | 1.0 | 2.0 |     | 0.3 | CP | vpcompressd zmmword ptr [r14+0x1c0]{k1}, zmm0
|   4^   |           |     | 0.3       | 0.3       | 1.0 | 2.0 |     | 0.3 | CP | vpcompressd zmmword ptr [r14+0x200]{k1}, zmm0
|   4^   |           |     | 0.3       | 0.3       | 1.0 | 2.0 |     | 0.3 | CP | vpcompressd zmmword ptr [r14+0x240]{k1}, zmm0
|   4^   |           |     | 0.3       | 0.3       | 1.0 | 2.0 |     | 0.3 | CP | vpcompressd zmmword ptr [r14+0x280]{k1}, zmm0
|   4^   |           |     | 0.3       | 0.3       | 1.0 | 2.0 |     | 0.3 | CP | vpcompressd zmmword ptr [r14+0x2c0]{k1}, zmm0
|   4^   |           |     | 0.3       | 0.3       | 1.0 | 2.0 |     | 0.3 | CP | vpcompressd zmmword ptr [r14+0x300]{k1}, zmm0
|   4^   |           |     | 0.3       | 0.3       | 1.0 | 2.0 |     | 0.3 | CP | vpcompressd zmmword ptr [r14+0x340]{k1}, zmm0
|   4^   |           |     | 0.3       | 0.3       | 1.0 | 2.0 |     | 0.3 | CP | vpcompressd zmmword ptr [r14+0x380]{k1}, zmm0
|   4^   |           |     | 0.3       | 0.3       | 1.0 | 2.0 |     | 0.3 | CP | vpcompressd zmmword ptr [r14+0x3c0]{k1}, zmm0
Total Num Of Uops: 64

With an indexed addressing mode

With 1 independent instruction

Throughput Analysis Report
--------------------------
Block Throughput: 2.00 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  | 0.5    0.0  | 0.5    0.0  | 1.0  | 2.0  | 0.0  | 0.0  |
---------------------------------------------------------------------------------------


| Num Of |                    Ports pressure in cycles                     |    |
|  Uops  |  0  - DV  |  1  |  2  -  D  |  3  -  D  |  4  |  5  |  6  |  7  |    |
---------------------------------------------------------------------------------
|   4    |           |     | 0.5       | 0.5       | 1.0 | 2.0 |     |     | CP | vpcompressd zmmword ptr [r14+r13*1]{k1}, zmm0
Total Num Of Uops: 4

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  | 8.0    0.0  | 8.0    0.0  | 16.0 | 32.0 | 0.0  | 0.0  |
---------------------------------------------------------------------------------------


| Num Of |                    Ports pressure in cycles                     |    |
|  Uops  |  0  - DV  |  1  |  2  -  D  |  3  -  D  |  4  |  5  |  6  |  7  |    |
---------------------------------------------------------------------------------
|   4    |           |     | 1.0       |           | 1.0 | 2.0 |     |     | CP | vpcompressd zmmword ptr [r14+r13*1]{k1}, zmm0
|   4    |           |     |           | 1.0       | 1.0 | 2.0 |     |     | CP | vpcompressd zmmword ptr [r14+r13*1+0x40]{k1}, zmm0
|   4    |           |     | 1.0       |           | 1.0 | 2.0 |     |     | CP | vpcompressd zmmword ptr [r14+r13*1+0x80]{k1}, zmm0
|   4    |           |     |           | 1.0       | 1.0 | 2.0 |     |     | CP | vpcompressd zmmword ptr [r14+r13*1+0xc0]{k1}, zmm0
|   4    |           |     | 1.0       |           | 1.0 | 2.0 |     |     | CP | vpcompressd zmmword ptr [r14+r13*1+0x100]{k1}, zmm0
|   4    |           |     |           | 1.0       | 1.0 | 2.0 |     |     | CP | vpcompressd zmmword ptr [r14+r13*1+0x140]{k1}, zmm0
|   4    |           |     | 1.0       |           | 1.0 | 2.0 |     |     | CP | vpcompressd zmmword ptr [r14+r13*1+0x180]{k1}, zmm0
|   4    |           |     |           | 1.0       | 1.0 | 2.0 |     |     | CP | vpcompressd zmmword ptr [r14+r13*1+0x1c0]{k1}, zmm0
|   4    |           |     | 1.0       |           | 1.0 | 2.0 |     |     | CP | vpcompressd zmmword ptr [r14+r13*1+0x200]{k1}, zmm0
|   4    |           |     |           | 1.0       | 1.0 | 2.0 |     |     | CP | vpcompressd zmmword ptr [r14+r13*1+0x240]{k1}, zmm0
|   4    |           |     | 1.0       |           | 1.0 | 2.0 |     |     | CP | vpcompressd zmmword ptr [r14+r13*1+0x280]{k1}, zmm0
|   4    |           |     |           | 1.0       | 1.0 | 2.0 |     |     | CP | vpcompressd zmmword ptr [r14+r13*1+0x2c0]{k1}, zmm0
|   4    |           |     | 1.0       |           | 1.0 | 2.0 |     |     | CP | vpcompressd zmmword ptr [r14+r13*1+0x300]{k1}, zmm0
|   4    |           |     |           | 1.0       | 1.0 | 2.0 |     |     | CP | vpcompressd zmmword ptr [r14+r13*1+0x340]{k1}, zmm0
|   4    |           |     | 1.0       |           | 1.0 | 2.0 |     |     | CP | vpcompressd zmmword ptr [r14+r13*1+0x380]{k1}, zmm0
|   4    |           |     |           | 1.0       | 1.0 | 2.0 |     |     | CP | vpcompressd zmmword ptr [r14+r13*1+0x3c0]{k1}, zmm0
Total Num Of Uops: 64