PDEP (R32, R32, R32) - Throughput and Uops (IACA 2.1)

With different registers for different operands

With 1 independent instruction

Throughput Analysis Report
--------------------------
Block Throughput: 3.00 Cycles       Throughput Bottleneck: InterIteration

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


| Num Of |                    Ports pressure in cycles                     |    |
|  Uops  |  0  - DV  |  1  |  2  -  D  |  3  -  D  |  4  |  5  |  6  |  7  |    |
---------------------------------------------------------------------------------
|   1    |           | 1.0 |           |           |     |     |     |     | CP | pdep r8d, r9d, r10d
Total Num Of Uops: 1

With 11 independent instructions

Throughput Analysis Report
--------------------------
Block Throughput: 11.00 Cycles       Throughput Bottleneck: Port1

Port Binding In Cycles Per Iteration:
---------------------------------------------------------------------------------------
|  Port  |  0   -  DV  |  1   |  2   -  D   |  3   -  D   |  4   |  5   |  6   |  7   |
---------------------------------------------------------------------------------------
| Cycles | 0.0    0.0  | 11.0 | 0.0    0.0  | 0.0    0.0  | 0.0  | 0.0  | 0.0  | 0.0  |
---------------------------------------------------------------------------------------


| Num Of |                    Ports pressure in cycles                     |    |
|  Uops  |  0  - DV  |  1  |  2  -  D  |  3  -  D  |  4  |  5  |  6  |  7  |    |
---------------------------------------------------------------------------------
|   1    |           | 1.0 |           |           |     |     |     |     | CP | pdep r8d, r9d, r10d
|   1    |           | 1.0 |           |           |     |     |     |     | CP | pdep r11d, r9d, r10d
|   1    |           | 1.0 |           |           |     |     |     |     | CP | pdep r12d, r9d, r10d
|   1    |           | 1.0 |           |           |     |     |     |     | CP | pdep r13d, r9d, r10d
|   1    |           | 1.0 |           |           |     |     |     |     | CP | pdep r14d, r9d, r10d
|   1    |           | 1.0 |           |           |     |     |     |     | CP | pdep ebx, r9d, r10d
|   1    |           | 1.0 |           |           |     |     |     |     | CP | pdep ecx, r9d, r10d
|   1    |           | 1.0 |           |           |     |     |     |     | CP | pdep edx, r9d, r10d
|   1    |           | 1.0 |           |           |     |     |     |     | CP | pdep edi, r9d, r10d
|   1    |           | 1.0 |           |           |     |     |     |     | CP | pdep esi, r9d, r10d
|   1    |           | 1.0 |           |           |     |     |     |     | CP | pdep ebp, r9d, r10d
Total Num Of Uops: 11

With the same register for for different operands

Throughput Analysis Report
--------------------------
Block Throughput: 3.00 Cycles       Throughput Bottleneck: InterIteration

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


| Num Of |                    Ports pressure in cycles                     |    |
|  Uops  |  0  - DV  |  1  |  2  -  D  |  3  -  D  |  4  |  5  |  6  |  7  |    |
---------------------------------------------------------------------------------
|   1    |           | 1.0 |           |           |     |     |     |     | CP | pdep r8d, r8d, r8d
Total Num Of Uops: 1

With the -no_interiteration flag

Throughput Analysis Report
--------------------------
Block Throughput: 1.00 Cycles       Throughput Bottleneck: Port1

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


| Num Of |                    Ports pressure in cycles                     |    |
|  Uops  |  0  - DV  |  1  |  2  -  D  |  3  -  D  |  4  |  5  |  6  |  7  |    |
---------------------------------------------------------------------------------
|   1    |           | 1.0 |           |           |     |     |     |     | CP | pdep r8d, r9d, r10d
Total Num Of Uops: 1