VCVTPD2PS (XMM, YMM) - Throughput and Uops (IACA 2.2)
With different registers for different operands
With 1 independent instruction
Throughput Analysis Report
--------------------------
Block Throughput: 1.00 Cycles Throughput Bottleneck: Port1, Port5
Port Binding In Cycles Per Iteration:
-------------------------------------------------------------------------
| Port | 0 - DV | 1 | 2 - D | 3 - D | 4 | 5 |
-------------------------------------------------------------------------
| Cycles | 0.0 0.0 | 1.0 | 0.0 0.0 | 0.0 0.0 | 0.0 | 1.0 |
-------------------------------------------------------------------------
| Num Of | Ports pressure in cycles | |
| Uops | 0 - DV | 1 | 2 - D | 3 - D | 4 | 5 | |
---------------------------------------------------------------------
| 2 | | 1.0 | | | | 1.0 | CP | vcvtpd2ps xmm0, ymm1
Total Num Of Uops: 2
With 12 independent instructions
Throughput Analysis Report
--------------------------
Block Throughput: 12.00 Cycles Throughput Bottleneck: Port1, Port5
Port Binding In Cycles Per Iteration:
-------------------------------------------------------------------------
| Port | 0 - DV | 1 | 2 - D | 3 - D | 4 | 5 |
-------------------------------------------------------------------------
| Cycles | 0.0 0.0 | 12.0 | 0.0 0.0 | 0.0 0.0 | 0.0 | 12.0 |
-------------------------------------------------------------------------
| Num Of | Ports pressure in cycles | |
| Uops | 0 - DV | 1 | 2 - D | 3 - D | 4 | 5 | |
---------------------------------------------------------------------
| 2 | | 1.0 | | | | 1.0 | CP | vcvtpd2ps xmm0, ymm1
| 2 | | 1.0 | | | | 1.0 | CP | vcvtpd2ps xmm2, ymm1
| 2 | | 1.0 | | | | 1.0 | CP | vcvtpd2ps xmm3, ymm1
| 2 | | 1.0 | | | | 1.0 | CP | vcvtpd2ps xmm4, ymm1
| 2 | | 1.0 | | | | 1.0 | CP | vcvtpd2ps xmm5, ymm1
| 2 | | 1.0 | | | | 1.0 | CP | vcvtpd2ps xmm6, ymm1
| 2 | | 1.0 | | | | 1.0 | CP | vcvtpd2ps xmm7, ymm1
| 2 | | 1.0 | | | | 1.0 | CP | vcvtpd2ps xmm8, ymm1
| 2 | | 1.0 | | | | 1.0 | CP | vcvtpd2ps xmm9, ymm1
| 2 | | 1.0 | | | | 1.0 | CP | vcvtpd2ps xmm10, ymm1
| 2 | | 1.0 | | | | 1.0 | CP | vcvtpd2ps xmm11, ymm1
| 2 | | 1.0 | | | | 1.0 | CP | 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: 4.00 Cycles Throughput Bottleneck: Dependency chains (possibly between iterations)
Port Binding In Cycles Per Iteration:
-------------------------------------------------------------------------
| Port | 0 - DV | 1 | 2 - D | 3 - D | 4 | 5 |
-------------------------------------------------------------------------
| Cycles | 0.0 0.0 | 1.0 | 0.0 0.0 | 0.0 0.0 | 0.0 | 1.0 |
-------------------------------------------------------------------------
| Num Of | Ports pressure in cycles | |
| Uops | 0 - DV | 1 | 2 - D | 3 - D | 4 | 5 | |
---------------------------------------------------------------------
| 2 | | 1.0 | | | | 1.0 | CP | vcvtpd2ps xmm0, ymm0
Total Num Of Uops: 2
With 13 independent instructions
Throughput Analysis Report
--------------------------
Block Throughput: 13.00 Cycles Throughput Bottleneck: Port1, Port5
Port Binding In Cycles Per Iteration:
-------------------------------------------------------------------------
| Port | 0 - DV | 1 | 2 - D | 3 - D | 4 | 5 |
-------------------------------------------------------------------------
| Cycles | 0.0 0.0 | 13.0 | 0.0 0.0 | 0.0 0.0 | 0.0 | 13.0 |
-------------------------------------------------------------------------
| Num Of | Ports pressure in cycles | |
| Uops | 0 - DV | 1 | 2 - D | 3 - D | 4 | 5 | |
---------------------------------------------------------------------
| 2 | | 1.0 | | | | 1.0 | CP | vcvtpd2ps xmm0, ymm0
| 2 | | 1.0 | | | | 1.0 | CP | vcvtpd2ps xmm1, ymm1
| 2 | | 1.0 | | | | 1.0 | CP | vcvtpd2ps xmm2, ymm2
| 2 | | 1.0 | | | | 1.0 | CP | vcvtpd2ps xmm3, ymm3
| 2 | | 1.0 | | | | 1.0 | CP | vcvtpd2ps xmm4, ymm4
| 2 | | 1.0 | | | | 1.0 | CP | vcvtpd2ps xmm5, ymm5
| 2 | | 1.0 | | | | 1.0 | CP | vcvtpd2ps xmm6, ymm6
| 2 | | 1.0 | | | | 1.0 | CP | vcvtpd2ps xmm7, ymm7
| 2 | | 1.0 | | | | 1.0 | CP | vcvtpd2ps xmm8, ymm8
| 2 | | 1.0 | | | | 1.0 | CP | vcvtpd2ps xmm9, ymm9
| 2 | | 1.0 | | | | 1.0 | CP | vcvtpd2ps xmm10, ymm10
| 2 | | 1.0 | | | | 1.0 | CP | vcvtpd2ps xmm11, ymm11
| 2 | | 1.0 | | | | 1.0 | CP | vcvtpd2ps xmm12, ymm12
Total Num Of Uops: 26
With the -no_interiteration flag
Throughput Analysis Report
--------------------------
Block Throughput: 1.00 Cycles Throughput Bottleneck: Port1, Port5
Port Binding In Cycles Per Iteration:
-------------------------------------------------------------------------
| Port | 0 - DV | 1 | 2 - D | 3 - D | 4 | 5 |
-------------------------------------------------------------------------
| Cycles | 0.0 0.0 | 1.0 | 0.0 0.0 | 0.0 0.0 | 0.0 | 1.0 |
-------------------------------------------------------------------------
| Num Of | Ports pressure in cycles | |
| Uops | 0 - DV | 1 | 2 - D | 3 - D | 4 | 5 | |
---------------------------------------------------------------------
| 2 | | 1.0 | | | | 1.0 | CP | vcvtpd2ps xmm0, ymm1
Total Num Of Uops: 2