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


With a non-indexed addressing mode

With 1 independent instruction

Throughput Analysis Report
--------------------------
Block Throughput: 0.51 Cycles       Throughput Bottleneck: Backend
Loop Count:  62
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  |  0.5     0.5  |  0.5     0.5  |  0.0  |  0.3  |  0.0  |  0.0  |
--------------------------------------------------------------------------------------------------

| Num Of   |                    Ports pressure in cycles                         |      |
|  Uops    |  0  - DV    |  1   |  2  -  D    |  3  -  D    |  4   |  5   |  6   |  7   |
-----------------------------------------------------------------------------------------
|   2^     | 0.3         | 0.3  | 0.5     0.5 | 0.5     0.5 |      | 0.3  |      |      | vpaddd ymm0, ymm1, ymmword ptr [r14]
Total Num Of Uops: 2

With 12 independent instructions


Throughput Analysis Report
--------------------------
Block Throughput: 6.00 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 |  4.0     0.0  |  4.0  |  6.0     6.0  |  6.0     6.0  |  0.0  |  4.0  |  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     1.0 |             |      |      |      |      | vpaddd ymm0, ymm1, ymmword ptr [r14]
|   2^     |             | 1.0  |             | 1.0     1.0 |      |      |      |      | vpaddd ymm2, ymm1, ymmword ptr [r14+0x20]
|   2^     |             |      | 1.0     1.0 |             |      | 1.0  |      |      | vpaddd ymm3, ymm1, ymmword ptr [r14+0x40]
|   2^     | 1.0         |      |             | 1.0     1.0 |      |      |      |      | vpaddd ymm4, ymm1, ymmword ptr [r14+0x60]
|   2^     |             | 1.0  | 1.0     1.0 |             |      |      |      |      | vpaddd ymm5, ymm1, ymmword ptr [r14+0x80]
|   2^     |             |      |             | 1.0     1.0 |      | 1.0  |      |      | vpaddd ymm6, ymm1, ymmword ptr [r14+0xa0]
|   2^     | 1.0         |      | 1.0     1.0 |             |      |      |      |      | vpaddd ymm7, ymm1, ymmword ptr [r14+0xc0]
|   2^     |             | 1.0  |             | 1.0     1.0 |      |      |      |      | vpaddd ymm8, ymm1, ymmword ptr [r14+0xe0]
|   2^     |             |      | 1.0     1.0 |             |      | 1.0  |      |      | vpaddd ymm9, ymm1, ymmword ptr [r14+0x100]
|   2^     | 1.0         |      |             | 1.0     1.0 |      |      |      |      | vpaddd ymm10, ymm1, ymmword ptr [r14+0x120]
|   2^     |             | 1.0  | 1.0     1.0 |             |      |      |      |      | vpaddd ymm11, ymm1, ymmword ptr [r14+0x140]
|   2^     |             |      |             | 1.0     1.0 |      | 1.0  |      |      | vpaddd ymm12, ymm1, ymmword ptr [r14+0x160]
Total Num Of Uops: 24

With an indexed addressing mode

With 1 independent instruction

Throughput Analysis Report
--------------------------
Block Throughput: 0.51 Cycles       Throughput Bottleneck: FrontEnd
Loop Count:  40
Port Binding In Cycles Per Iteration:
--------------------------------------------------------------------------------------------------
|  Port  |   0   -  DV   |   1   |   2   -  D    |   3   -  D    |   4   |   5   |   6   |   7   |
--------------------------------------------------------------------------------------------------
| Cycles |  0.3     0.0  |  0.4  |  0.5     0.5  |  0.5     0.5  |  0.0  |  0.3  |  0.0  |  0.0  |
--------------------------------------------------------------------------------------------------

| Num Of   |                    Ports pressure in cycles                         |      |
|  Uops    |  0  - DV    |  1   |  2  -  D    |  3  -  D    |  4   |  5   |  6   |  7   |
-----------------------------------------------------------------------------------------
|   2      | 0.3         | 0.4  | 0.5     0.5 | 0.5     0.5 |      | 0.3  |      |      | vpaddd ymm0, ymm1, ymmword ptr [r14+r13*1]
Total Num Of Uops: 2

With 12 independent instructions


Throughput Analysis Report
--------------------------
Block Throughput: 6.00 Cycles       Throughput Bottleneck: Dependency chains
Loop Count:  22
Port Binding In Cycles Per Iteration:
--------------------------------------------------------------------------------------------------
|  Port  |   0   -  DV   |   1   |   2   -  D    |   3   -  D    |   4   |   5   |   6   |   7   |
--------------------------------------------------------------------------------------------------
| Cycles |  4.0     0.0  |  4.0  |  6.0     6.0  |  6.0     6.0  |  0.0  |  4.0  |  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     1.0 |             |      |      |      |      | vpaddd ymm0, ymm1, ymmword ptr [r14+r13*1]
|   2      |             | 1.0  |             | 1.0     1.0 |      |      |      |      | vpaddd ymm2, ymm1, ymmword ptr [r14+r13*1+0x20]
|   2      |             |      | 1.0     1.0 |             |      | 1.0  |      |      | vpaddd ymm3, ymm1, ymmword ptr [r14+r13*1+0x40]
|   2      | 1.0         |      |             | 1.0     1.0 |      |      |      |      | vpaddd ymm4, ymm1, ymmword ptr [r14+r13*1+0x60]
|   2      |             | 1.0  | 1.0     1.0 |             |      |      |      |      | vpaddd ymm5, ymm1, ymmword ptr [r14+r13*1+0x80]
|   2      |             |      |             | 1.0     1.0 |      | 1.0  |      |      | vpaddd ymm6, ymm1, ymmword ptr [r14+r13*1+0xa0]
|   2      | 1.0         |      | 1.0     1.0 |             |      |      |      |      | vpaddd ymm7, ymm1, ymmword ptr [r14+r13*1+0xc0]
|   2      |             | 1.0  |             | 1.0     1.0 |      |      |      |      | vpaddd ymm8, ymm1, ymmword ptr [r14+r13*1+0xe0]
|   2      |             |      | 1.0     1.0 |             |      | 1.0  |      |      | vpaddd ymm9, ymm1, ymmword ptr [r14+r13*1+0x100]
|   2      | 1.0         |      |             | 1.0     1.0 |      |      |      |      | vpaddd ymm10, ymm1, ymmword ptr [r14+r13*1+0x120]
|   2      |             | 1.0  | 1.0     1.0 |             |      |      |      |      | vpaddd ymm11, ymm1, ymmword ptr [r14+r13*1+0x140]
|   2      |             |      |             | 1.0     1.0 |      | 1.0  |      |      | vpaddd ymm12, ymm1, ymmword ptr [r14+r13*1+0x160]
Total Num Of Uops: 24