VCVTPD2PS (XMM, YMM) - Throughput and Uops (IACA 3.0)

With different registers for different operands

With 1 independent instruction

Throughput Analysis Report
--------------------------
Block Throughput: 0.97 Cycles       Throughput Bottleneck: Dependency chains
Loop Count:  36
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  |  1.0  |  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  |      |      | vcvtpd2ps xmm0, ymm1
Total Num Of Uops: 2

With 12 independent instructions

Throughput Analysis Report
--------------------------
Block Throughput: 11.95 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  | 12.0  |  0.0     0.0  |  0.0     0.0  |  0.0  | 12.0  |  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  |      |      | vcvtpd2ps xmm0, ymm1
|   2      |             | 1.0  |             |             |      | 1.0  |      |      | vcvtpd2ps xmm2, ymm1
|   2      |             | 1.0  |             |             |      | 1.0  |      |      | vcvtpd2ps xmm3, ymm1
|   2      |             | 1.0  |             |             |      | 1.0  |      |      | vcvtpd2ps xmm4, ymm1
|   2      |             | 1.0  |             |             |      | 1.0  |      |      | vcvtpd2ps xmm5, ymm1
|   2      |             | 1.0  |             |             |      | 1.0  |      |      | vcvtpd2ps xmm6, ymm1
|   2      |             | 1.0  |             |             |      | 1.0  |      |      | vcvtpd2ps xmm7, ymm1
|   2      |             | 1.0  |             |             |      | 1.0  |      |      | vcvtpd2ps xmm8, ymm1
|   2      |             | 1.0  |             |             |      | 1.0  |      |      | vcvtpd2ps xmm9, ymm1
|   2      |             | 1.0  |             |             |      | 1.0  |      |      | vcvtpd2ps xmm10, ymm1
|   2      |             | 1.0  |             |             |      | 1.0  |      |      | vcvtpd2ps xmm11, ymm1
|   2      |             | 1.0  |             |             |      | 1.0  |      |      | vcvtpd2ps xmm12, ymm1
Total Num Of Uops: 24

With the same register for for different operands

With 1 independent instruction

Throughput Analysis Report
--------------------------
Block Throughput: 5.85 Cycles       Throughput Bottleneck: Backend
Loop Count:  42
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  |  1.0  |  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  |      |      | vcvtpd2ps xmm0, ymm0
Total Num Of Uops: 2

With 13 independent instructions

Throughput Analysis Report
--------------------------
Block Throughput: 12.95 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  | 13.0  |  0.0     0.0  |  0.0     0.0  |  0.0  | 13.0  |  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  |      |      | vcvtpd2ps xmm0, ymm0
|   2      |             | 1.0  |             |             |      | 1.0  |      |      | vcvtpd2ps xmm1, ymm1
|   2      |             | 1.0  |             |             |      | 1.0  |      |      | vcvtpd2ps xmm2, ymm2
|   2      |             | 1.0  |             |             |      | 1.0  |      |      | vcvtpd2ps xmm3, ymm3
|   2      |             | 1.0  |             |             |      | 1.0  |      |      | vcvtpd2ps xmm4, ymm4
|   2      |             | 1.0  |             |             |      | 1.0  |      |      | vcvtpd2ps xmm5, ymm5
|   2      |             | 1.0  |             |             |      | 1.0  |      |      | vcvtpd2ps xmm6, ymm6
|   2      |             | 1.0  |             |             |      | 1.0  |      |      | vcvtpd2ps xmm7, ymm7
|   2      |             | 1.0  |             |             |      | 1.0  |      |      | vcvtpd2ps xmm8, ymm8
|   2      |             | 1.0  |             |             |      | 1.0  |      |      | vcvtpd2ps xmm9, ymm9
|   2      |             | 1.0  |             |             |      | 1.0  |      |      | vcvtpd2ps xmm10, ymm10
|   2      |             | 1.0  |             |             |      | 1.0  |      |      | vcvtpd2ps xmm11, ymm11
|   2      |             | 1.0  |             |             |      | 1.0  |      |      | vcvtpd2ps xmm12, ymm12
Total Num Of Uops: 26