VMOVDQA (M256, YMM) - Throughput and Uops (IACA 3.0)


With a non-indexed addressing mode

With 1 independent instruction

Throughput Analysis Report
--------------------------
Block Throughput: 0.91 Cycles       Throughput Bottleneck: Backend
Loop Count:  56
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  |  0.0  |  0.0  |  0.3  |
--------------------------------------------------------------------------------------------------

| Num Of   |                    Ports pressure in cycles                         |      |
|  Uops    |  0  - DV    |  1   |  2  -  D    |  3  -  D    |  4   |  5   |  6   |  7   |
-----------------------------------------------------------------------------------------
|   2^     |             |      | 0.3         | 0.3         | 1.0  |      |      | 0.3  | vmovdqa ymmword ptr [r14], ymm0
Total Num Of Uops: 2

With 16 independent instructions


Throughput Analysis Report
--------------------------
Block Throughput: 16.00 Cycles       Throughput Bottleneck: Backend
Loop Count:  22
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  |  5.4     0.0  | 16.0  |  0.0  |  0.0  |  5.3  |
--------------------------------------------------------------------------------------------------

| Num Of   |                    Ports pressure in cycles                         |      |
|  Uops    |  0  - DV    |  1   |  2  -  D    |  3  -  D    |  4   |  5   |  6   |  7   |
-----------------------------------------------------------------------------------------
|   2^     |             |      | 0.3         | 0.4         | 1.0  |      |      | 0.3  | vmovdqa ymmword ptr [r14], ymm0
|   2^     |             |      | 0.3         | 0.3         | 1.0  |      |      | 0.4  | vmovdqa ymmword ptr [r14+0x20], ymm0
|   2^     |             |      | 0.4         | 0.3         | 1.0  |      |      | 0.3  | vmovdqa ymmword ptr [r14+0x40], ymm0
|   2^     |             |      | 0.3         | 0.4         | 1.0  |      |      | 0.3  | vmovdqa ymmword ptr [r14+0x60], ymm0
|   2^     |             |      | 0.3         | 0.3         | 1.0  |      |      | 0.4  | vmovdqa ymmword ptr [r14+0x80], ymm0
|   2^     |             |      | 0.4         | 0.3         | 1.0  |      |      | 0.3  | vmovdqa ymmword ptr [r14+0xa0], ymm0
|   2^     |             |      | 0.3         | 0.4         | 1.0  |      |      | 0.3  | vmovdqa ymmword ptr [r14+0xc0], ymm0
|   2^     |             |      | 0.3         | 0.3         | 1.0  |      |      | 0.4  | vmovdqa ymmword ptr [r14+0xe0], ymm0
|   2^     |             |      | 0.4         | 0.3         | 1.0  |      |      | 0.3  | vmovdqa ymmword ptr [r14+0x100], ymm0
|   2^     |             |      | 0.3         | 0.4         | 1.0  |      |      | 0.3  | vmovdqa ymmword ptr [r14+0x120], ymm0
|   2^     |             |      | 0.3         | 0.3         | 1.0  |      |      | 0.4  | vmovdqa ymmword ptr [r14+0x140], ymm0
|   2^     |             |      | 0.4         | 0.3         | 1.0  |      |      | 0.3  | vmovdqa ymmword ptr [r14+0x160], ymm0
|   2^     |             |      | 0.3         | 0.4         | 1.0  |      |      | 0.3  | vmovdqa ymmword ptr [r14+0x180], ymm0
|   2^     |             |      | 0.3         | 0.3         | 1.0  |      |      | 0.4  | vmovdqa ymmword ptr [r14+0x1a0], ymm0
|   2^     |             |      | 0.4         | 0.3         | 1.0  |      |      | 0.3  | vmovdqa ymmword ptr [r14+0x1c0], ymm0
|   2^     |             |      | 0.3         | 0.4         | 1.0  |      |      | 0.3  | vmovdqa ymmword ptr [r14+0x1e0], ymm0
Total Num Of Uops: 32

With an indexed addressing mode

With 1 independent instruction

Throughput Analysis Report
--------------------------
Block Throughput: 0.84 Cycles       Throughput Bottleneck: Dependency chains
Loop Count:  34
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  |  0.0  |  0.0  |  0.0  |
--------------------------------------------------------------------------------------------------

| Num Of   |                    Ports pressure in cycles                         |      |
|  Uops    |  0  - DV    |  1   |  2  -  D    |  3  -  D    |  4   |  5   |  6   |  7   |
-----------------------------------------------------------------------------------------
|   2      |             |      | 0.5         | 0.5         | 1.0  |      |      |      | vmovdqa ymmword ptr [r14+r13*1], ymm0
Total Num Of Uops: 2

With 16 independent instructions


Throughput Analysis Report
--------------------------
Block Throughput: 16.00 Cycles       Throughput Bottleneck: Backend
Loop Count:  22
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  |  0.0  |  0.0  |  0.0  |
--------------------------------------------------------------------------------------------------

| Num Of   |                    Ports pressure in cycles                         |      |
|  Uops    |  0  - DV    |  1   |  2  -  D    |  3  -  D    |  4   |  5   |  6   |  7   |
-----------------------------------------------------------------------------------------
|   2      |             |      | 1.0         |             | 1.0  |      |      |      | vmovdqa ymmword ptr [r14+r13*1], ymm0
|   2      |             |      |             | 1.0         | 1.0  |      |      |      | vmovdqa ymmword ptr [r14+r13*1+0x20], ymm0
|   2      |             |      | 1.0         |             | 1.0  |      |      |      | vmovdqa ymmword ptr [r14+r13*1+0x40], ymm0
|   2      |             |      |             | 1.0         | 1.0  |      |      |      | vmovdqa ymmword ptr [r14+r13*1+0x60], ymm0
|   2      |             |      | 1.0         |             | 1.0  |      |      |      | vmovdqa ymmword ptr [r14+r13*1+0x80], ymm0
|   2      |             |      |             | 1.0         | 1.0  |      |      |      | vmovdqa ymmword ptr [r14+r13*1+0xa0], ymm0
|   2      |             |      | 1.0         |             | 1.0  |      |      |      | vmovdqa ymmword ptr [r14+r13*1+0xc0], ymm0
|   2      |             |      |             | 1.0         | 1.0  |      |      |      | vmovdqa ymmword ptr [r14+r13*1+0xe0], ymm0
|   2      |             |      | 1.0         |             | 1.0  |      |      |      | vmovdqa ymmword ptr [r14+r13*1+0x100], ymm0
|   2      |             |      |             | 1.0         | 1.0  |      |      |      | vmovdqa ymmword ptr [r14+r13*1+0x120], ymm0
|   2      |             |      | 1.0         |             | 1.0  |      |      |      | vmovdqa ymmword ptr [r14+r13*1+0x140], ymm0
|   2      |             |      |             | 1.0         | 1.0  |      |      |      | vmovdqa ymmword ptr [r14+r13*1+0x160], ymm0
|   2      |             |      | 1.0         |             | 1.0  |      |      |      | vmovdqa ymmword ptr [r14+r13*1+0x180], ymm0
|   2      |             |      |             | 1.0         | 1.0  |      |      |      | vmovdqa ymmword ptr [r14+r13*1+0x1a0], ymm0
|   2      |             |      | 1.0         |             | 1.0  |      |      |      | vmovdqa ymmword ptr [r14+r13*1+0x1c0], ymm0
|   2      |             |      |             | 1.0         | 1.0  |      |      |      | vmovdqa ymmword ptr [r14+r13*1+0x1e0], ymm0
Total Num Of Uops: 32