VGATHERDPS (ZMM, K, VSIB_ZMM) - Throughput and Uops (IACA 2.3)


With 1 independent instruction

Throughput Analysis Report
--------------------------
Block Throughput: 23.81 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 | 1.0    0.0  | 0.0  | 8.0    8.0  | 8.0    8.0  | 0.0  | 1.0  | 1.0  | 0.0  |
---------------------------------------------------------------------------------------


| Num Of |                    Ports pressure in cycles                     |    |
|  Uops  |  0  - DV  |  1  |  2  -  D  |  3  -  D  |  4  |  5  |  6  |  7  |    |
---------------------------------------------------------------------------------
|   5    | 1.0       |     | 8.0   8.0 | 8.0   8.0 |     | 1.0 | 1.0 |     | CP | vgatherdps zmm0{k1}, zmmword ptr [r14+zmm14*1]
Total Num Of Uops: 5

With 7 independent instructions


Throughput Analysis Report
--------------------------
Block Throughput: 86.57 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 | 7.0    0.0  | 0.0  | 56.0   56.0 | 56.0   56.0 | 0.0  | 7.0  | 7.0  | 0.0  |
---------------------------------------------------------------------------------------


| Num Of |                    Ports pressure in cycles                     |    |
|  Uops  |  0  - DV  |  1  |  2  -  D  |  3  -  D  |  4  |  5  |  6  |  7  |    |
---------------------------------------------------------------------------------
|   5    | 1.0       |     | 8.0   8.0 | 8.0   8.0 |     | 1.0 | 1.0 |     |    | vgatherdps zmm0{k1}, zmmword ptr [r14+zmm14*1]
|   5    | 1.0       |     | 8.0   8.0 | 8.0   8.0 |     | 1.0 | 1.0 |     |    | vgatherdps zmm1{k2}, zmmword ptr [r14+zmm14*1+0x4]
|   5    | 1.0       |     | 8.0   8.0 | 8.0   8.0 |     | 1.0 | 1.0 |     |    | vgatherdps zmm2{k3}, zmmword ptr [r14+zmm14*1+0x8]
|   5    | 1.0       |     | 8.0   8.0 | 8.0   8.0 |     | 1.0 | 1.0 |     |    | vgatherdps zmm3{k4}, zmmword ptr [r14+zmm14*1+0xc]
|   5    | 1.0       |     | 8.0   8.0 | 8.0   8.0 |     | 1.0 | 1.0 |     |    | vgatherdps zmm4{k5}, zmmword ptr [r14+zmm14*1+0x10]
|   5    | 1.0       |     | 8.0   8.0 | 8.0   8.0 |     | 1.0 | 1.0 |     |    | vgatherdps zmm5{k6}, zmmword ptr [r14+zmm14*1+0x14]
|   5    | 1.0       |     | 8.0   8.0 | 8.0   8.0 |     | 1.0 | 1.0 |     |    | vgatherdps zmm6{k7}, zmmword ptr [r14+zmm14*1+0x18]
Total Num Of Uops: 35