VGATHERQPD (YMM, VSIB_YMM, YMM) - Throughput and Uops (IACA 2.1)


With 1 independent instruction

Throughput Analysis Report
--------------------------
Block Throughput: 9.00 Cycles       Throughput Bottleneck: InterIteration

Port Binding In Cycles Per Iteration:
---------------------------------------------------------------------------------------
|  Port  |  0   -  DV  |  1   |  2   -  D   |  3   -  D   |  4   |  5   |  6   |  7   |
---------------------------------------------------------------------------------------
| Cycles | 1.0    0.0  | 0.5  | 2.0    2.0  | 2.0    2.0  | 0.0  | 1.0  | 0.5  | 0.0  |
---------------------------------------------------------------------------------------


| Num Of |                    Ports pressure in cycles                     |    |
|  Uops  |  0  - DV  |  1  |  2  -  D  |  3  -  D  |  4  |  5  |  6  |  7  |    |
---------------------------------------------------------------------------------
|   5    | 1.0       | 0.5 | 2.0   2.0 | 2.0   2.0 |     | 1.0 | 0.5 |     | CP | vgatherqpd ymm0, qword ptr [r14+ymm14*1], ymm1
Total Num Of Uops: 5

With 6 independent instructions


Throughput Analysis Report
--------------------------
Block Throughput: 51.00 Cycles       Throughput Bottleneck: GatherTpt

Port Binding In Cycles Per Iteration:
---------------------------------------------------------------------------------------
|  Port  |  0   -  DV  |  1   |  2   -  D   |  3   -  D   |  4   |  5   |  6   |  7   |
---------------------------------------------------------------------------------------
| Cycles | 6.0    0.0  | 3.0  | 12.0   12.0 | 12.0   12.0 | 0.0  | 6.0  | 3.0  | 0.0  |
---------------------------------------------------------------------------------------


| Num Of |                    Ports pressure in cycles                     |    |
|  Uops  |  0  - DV  |  1  |  2  -  D  |  3  -  D  |  4  |  5  |  6  |  7  |    |
---------------------------------------------------------------------------------
|   5    | 1.0       | 1.0 | 2.0   2.0 | 2.0   2.0 |     | 1.0 |     |     |    | vgatherqpd ymm0, qword ptr [r14+ymm14*1], ymm1
|   5    | 1.0       |     | 2.0   2.0 | 2.0   2.0 |     | 1.0 | 1.0 |     |    | vgatherqpd ymm2, qword ptr [r14+ymm14*1+0x8], ymm3
|   5    | 1.0       | 1.0 | 2.0   2.0 | 2.0   2.0 |     | 1.0 |     |     |    | vgatherqpd ymm4, qword ptr [r14+ymm14*1+0x10], ymm5
|   5    | 1.0       |     | 2.0   2.0 | 2.0   2.0 |     | 1.0 | 1.0 |     |    | vgatherqpd ymm6, qword ptr [r14+ymm14*1+0x18], ymm7
|   5    | 1.0       | 1.0 | 2.0   2.0 | 2.0   2.0 |     | 1.0 |     |     |    | vgatherqpd ymm8, qword ptr [r14+ymm14*1+0x20], ymm9
|   5    | 1.0       |     | 2.0   2.0 | 2.0   2.0 |     | 1.0 | 1.0 |     | CP | vgatherqpd ymm10, qword ptr [r14+ymm14*1+0x28], ymm11
Total Num Of Uops: 30

With the -no_interiteration flag

Throughput Analysis Report
--------------------------
Block Throughput: 8.50 Cycles       Throughput Bottleneck: GatherTpt

Port Binding In Cycles Per Iteration:
---------------------------------------------------------------------------------------
|  Port  |  0   -  DV  |  1   |  2   -  D   |  3   -  D   |  4   |  5   |  6   |  7   |
---------------------------------------------------------------------------------------
| Cycles | 1.0    0.0  | 0.5  | 2.0    2.0  | 2.0    2.0  | 0.0  | 1.0  | 0.5  | 0.0  |
---------------------------------------------------------------------------------------


| Num Of |                    Ports pressure in cycles                     |    |
|  Uops  |  0  - DV  |  1  |  2  -  D  |  3  -  D  |  4  |  5  |  6  |  7  |    |
---------------------------------------------------------------------------------
|   5    | 1.0       | 0.5 | 2.0   2.0 | 2.0   2.0 |     | 1.0 | 0.5 |     | CP | vgatherqpd ymm0, qword ptr [r14+ymm14*1], ymm1
Total Num Of Uops: 5