VGATHERQPD (YMM, VSIB_YMM, YMM) - Throughput and Uops (IACA 2.3)


With 1 independent instruction

Throughput Analysis Report
--------------------------
Block Throughput: 18.19 Cycles       Throughput Bottleneck: Dependency chains (possibly between iterations)

Port Binding In Cycles Per Iteration:
---------------------------------------------------------------------------------------
|  Port  |  0   -  DV  |  1   |  2   -  D   |  3   -  D   |  4   |  5   |  6   |  7   |
---------------------------------------------------------------------------------------
| Cycles | 0.3    0.0  | 0.3  | 2.0    2.0  | 2.0    2.0  | 0.0  | 3.0  | 0.3  | 0.0  |
---------------------------------------------------------------------------------------


| Num Of |                    Ports pressure in cycles                     |    |
|  Uops  |  0  - DV  |  1  |  2  -  D  |  3  -  D  |  4  |  5  |  6  |  7  |    |
---------------------------------------------------------------------------------
|   8    | 0.3       | 0.3 | 2.0   2.0 | 2.0   2.0 |     | 3.0 | 0.3 |     | CP | vgatherqpd ymm0, ymmword ptr [r14+ymm14*1], ymm1
Total Num Of Uops: 8

With 6 independent instructions


Throughput Analysis Report
--------------------------
Block Throughput: 36.00 Cycles       Throughput Bottleneck: FrontEnd (bubbles)

Port Binding In Cycles Per Iteration:
---------------------------------------------------------------------------------------
|  Port  |  0   -  DV  |  1   |  2   -  D   |  3   -  D   |  4   |  5   |  6   |  7   |
---------------------------------------------------------------------------------------
| Cycles | 2.0    0.0  | 2.0  | 12.0   12.0 | 12.0   12.0 | 0.0  | 18.0 | 2.0  | 0.0  |
---------------------------------------------------------------------------------------


| Num Of |                    Ports pressure in cycles                     |    |
|  Uops  |  0  - DV  |  1  |  2  -  D  |  3  -  D  |  4  |  5  |  6  |  7  |    |
---------------------------------------------------------------------------------
|   8    | 1.0       |     | 2.0   2.0 | 2.0   2.0 |     | 3.0 |     |     |    | vgatherqpd ymm0, ymmword ptr [r14+ymm14*1], ymm1
|   8    |           | 1.0 | 2.0   2.0 | 2.0   2.0 |     | 3.0 |     |     |    | vgatherqpd ymm2, ymmword ptr [r14+ymm14*1+0x8], ymm3
|   8    |           |     | 2.0   2.0 | 2.0   2.0 |     | 3.0 | 1.0 |     |    | vgatherqpd ymm4, ymmword ptr [r14+ymm14*1+0x10], ymm5
|   8    | 1.0       |     | 2.0   2.0 | 2.0   2.0 |     | 3.0 |     |     |    | vgatherqpd ymm6, ymmword ptr [r14+ymm14*1+0x18], ymm7
|   8    |           | 1.0 | 2.0   2.0 | 2.0   2.0 |     | 3.0 |     |     |    | vgatherqpd ymm8, ymmword ptr [r14+ymm14*1+0x20], ymm9
|   8    |           |     | 2.0   2.0 | 2.0   2.0 |     | 3.0 | 1.0 |     |    | vgatherqpd ymm10, ymmword ptr [r14+ymm14*1+0x28], ymm11
Total Num Of Uops: 48