VPERMILPS_EVEX (XMM, M32_1to4, I8) - Throughput and Uops (IACA 3.0)
With a non-indexed addressing mode
With 1 independent instruction
Throughput Analysis Report
--------------------------
Block Throughput: 1.00 Cycles Throughput Bottleneck: Dependency chains
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 | 0.0 | 0.5 0.5 | 0.5 0.5 | 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 | | | 0.5 0.5 | 0.5 0.5 | | 1.0 | | | vpermilps xmm0, dword ptr [r14]{1to4}, 0x2
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 8.0 | 8.0 8.0 | 0.0 | 16.0 | 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 | | | vpermilps xmm0, dword ptr [r14]{1to4}, 0x2
| 2 | | | | 1.0 1.0 | | 1.0 | | | vpermilps xmm1, dword ptr [r14+0x4]{1to4}, 0x2
| 2 | | | 1.0 1.0 | | | 1.0 | | | vpermilps xmm2, dword ptr [r14+0x8]{1to4}, 0x2
| 2 | | | | 1.0 1.0 | | 1.0 | | | vpermilps xmm3, dword ptr [r14+0xc]{1to4}, 0x2
| 2 | | | 1.0 1.0 | | | 1.0 | | | vpermilps xmm4, dword ptr [r14+0x10]{1to4}, 0x2
| 2 | | | | 1.0 1.0 | | 1.0 | | | vpermilps xmm5, dword ptr [r14+0x14]{1to4}, 0x2
| 2 | | | 1.0 1.0 | | | 1.0 | | | vpermilps xmm6, dword ptr [r14+0x18]{1to4}, 0x2
| 2 | | | | 1.0 1.0 | | 1.0 | | | vpermilps xmm7, dword ptr [r14+0x1c]{1to4}, 0x2
| 2 | | | 1.0 1.0 | | | 1.0 | | | vpermilps xmm8, dword ptr [r14+0x20]{1to4}, 0x2
| 2 | | | | 1.0 1.0 | | 1.0 | | | vpermilps xmm9, dword ptr [r14+0x24]{1to4}, 0x2
| 2 | | | 1.0 1.0 | | | 1.0 | | | vpermilps xmm10, dword ptr [r14+0x28]{1to4}, 0x2
| 2 | | | | 1.0 1.0 | | 1.0 | | | vpermilps xmm11, dword ptr [r14+0x2c]{1to4}, 0x2
| 2 | | | 1.0 1.0 | | | 1.0 | | | vpermilps xmm12, dword ptr [r14+0x30]{1to4}, 0x2
| 2 | | | | 1.0 1.0 | | 1.0 | | | vpermilps xmm16, dword ptr [r14+0x34]{1to4}, 0x2
| 2 | | | 1.0 1.0 | | | 1.0 | | | vpermilps xmm17, dword ptr [r14+0x38]{1to4}, 0x2
| 2 | | | | 1.0 1.0 | | 1.0 | | | vpermilps xmm18, dword ptr [r14+0x3c]{1to4}, 0x2
Total Num Of Uops: 32
With an indexed addressing mode
With 1 independent instruction
Throughput Analysis Report
--------------------------
Block Throughput: 1.00 Cycles Throughput Bottleneck: Dependency chains
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 | 0.0 | 0.5 0.5 | 0.5 0.5 | 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 | | | 0.5 0.5 | 0.5 0.5 | | 1.0 | | | vpermilps xmm0, dword ptr [r14+r13*1]{1to4}, 0x2
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 8.0 | 8.0 8.0 | 0.0 | 16.0 | 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 | | | vpermilps xmm0, dword ptr [r14+r13*1]{1to4}, 0x2
| 2 | | | | 1.0 1.0 | | 1.0 | | | vpermilps xmm1, dword ptr [r14+r13*1+0x4]{1to4}, 0x2
| 2 | | | 1.0 1.0 | | | 1.0 | | | vpermilps xmm2, dword ptr [r14+r13*1+0x8]{1to4}, 0x2
| 2 | | | | 1.0 1.0 | | 1.0 | | | vpermilps xmm3, dword ptr [r14+r13*1+0xc]{1to4}, 0x2
| 2 | | | 1.0 1.0 | | | 1.0 | | | vpermilps xmm4, dword ptr [r14+r13*1+0x10]{1to4}, 0x2
| 2 | | | | 1.0 1.0 | | 1.0 | | | vpermilps xmm5, dword ptr [r14+r13*1+0x14]{1to4}, 0x2
| 2 | | | 1.0 1.0 | | | 1.0 | | | vpermilps xmm6, dword ptr [r14+r13*1+0x18]{1to4}, 0x2
| 2 | | | | 1.0 1.0 | | 1.0 | | | vpermilps xmm7, dword ptr [r14+r13*1+0x1c]{1to4}, 0x2
| 2 | | | 1.0 1.0 | | | 1.0 | | | vpermilps xmm8, dword ptr [r14+r13*1+0x20]{1to4}, 0x2
| 2 | | | | 1.0 1.0 | | 1.0 | | | vpermilps xmm9, dword ptr [r14+r13*1+0x24]{1to4}, 0x2
| 2 | | | 1.0 1.0 | | | 1.0 | | | vpermilps xmm10, dword ptr [r14+r13*1+0x28]{1to4}, 0x2
| 2 | | | | 1.0 1.0 | | 1.0 | | | vpermilps xmm11, dword ptr [r14+r13*1+0x2c]{1to4}, 0x2
| 2 | | | 1.0 1.0 | | | 1.0 | | | vpermilps xmm12, dword ptr [r14+r13*1+0x30]{1to4}, 0x2
| 2 | | | | 1.0 1.0 | | 1.0 | | | vpermilps xmm16, dword ptr [r14+r13*1+0x34]{1to4}, 0x2
| 2 | | | 1.0 1.0 | | | 1.0 | | | vpermilps xmm17, dword ptr [r14+r13*1+0x38]{1to4}, 0x2
| 2 | | | | 1.0 1.0 | | 1.0 | | | vpermilps xmm18, dword ptr [r14+r13*1+0x3c]{1to4}, 0x2
Total Num Of Uops: 32