| # NOTE: Assertions have been autogenerated by utils/update_mca_test_checks.py |
| # RUN: llvm-mca -mtriple=x86_64-unknown-unknown -mcpu=btver2 -timeline -timeline-max-iterations=3 -iterations=1500 < %s | FileCheck %s |
| |
| # perf stat reports an IPC of 2.00 for this block of code. |
| |
| # All of the vector packed compares from this test are dependency breaking |
| # instructions. That means, there is no RAW dependency between any of the |
| # instructions, and the code can be fully parallelized in hardware. |
| |
| vpcmpeqb %xmm0, %xmm0, %xmm1 |
| vpcmpeqw %xmm1, %xmm1, %xmm2 |
| vpcmpeqd %xmm2, %xmm2, %xmm3 |
| vpcmpeqq %xmm3, %xmm3, %xmm0 |
| |
| # CHECK: Iterations: 1500 |
| # CHECK-NEXT: Instructions: 6000 |
| # CHECK-NEXT: Total Cycles: 3003 |
| # CHECK-NEXT: Dispatch Width: 2 |
| # CHECK-NEXT: IPC: 2.00 |
| # CHECK-NEXT: Block RThroughput: 2.0 |
| |
| # CHECK: Instruction Info: |
| # CHECK-NEXT: [1]: #uOps |
| # CHECK-NEXT: [2]: Latency |
| # CHECK-NEXT: [3]: RThroughput |
| # CHECK-NEXT: [4]: MayLoad |
| # CHECK-NEXT: [5]: MayStore |
| # CHECK-NEXT: [6]: HasSideEffects (U) |
| |
| # CHECK: [1] [2] [3] [4] [5] [6] Instructions: |
| # CHECK-NEXT: 1 1 0.50 vpcmpeqb %xmm0, %xmm0, %xmm1 |
| # CHECK-NEXT: 1 1 0.50 vpcmpeqw %xmm1, %xmm1, %xmm2 |
| # CHECK-NEXT: 1 1 0.50 vpcmpeqd %xmm2, %xmm2, %xmm3 |
| # CHECK-NEXT: 1 1 0.50 vpcmpeqq %xmm3, %xmm3, %xmm0 |
| |
| # CHECK: Resources: |
| # CHECK-NEXT: [0] - JALU0 |
| # CHECK-NEXT: [1] - JALU1 |
| # CHECK-NEXT: [2] - JDiv |
| # CHECK-NEXT: [3] - JFPA |
| # CHECK-NEXT: [4] - JFPM |
| # CHECK-NEXT: [5] - JFPU0 |
| # CHECK-NEXT: [6] - JFPU1 |
| # CHECK-NEXT: [7] - JLAGU |
| # CHECK-NEXT: [8] - JMul |
| # CHECK-NEXT: [9] - JSAGU |
| # CHECK-NEXT: [10] - JSTC |
| # CHECK-NEXT: [11] - JVALU0 |
| # CHECK-NEXT: [12] - JVALU1 |
| # CHECK-NEXT: [13] - JVIMUL |
| |
| # CHECK: Resource pressure per iteration: |
| # CHECK-NEXT: [0] [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12] [13] |
| # CHECK-NEXT: - - - - - 2.00 2.00 - - - - 2.00 2.00 - |
| |
| # CHECK: Resource pressure by instruction: |
| # CHECK-NEXT: [0] [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12] [13] Instructions: |
| # CHECK-NEXT: - - - - - - 1.00 - - - - - 1.00 - vpcmpeqb %xmm0, %xmm0, %xmm1 |
| # CHECK-NEXT: - - - - - 1.00 - - - - - 1.00 - - vpcmpeqw %xmm1, %xmm1, %xmm2 |
| # CHECK-NEXT: - - - - - - 1.00 - - - - - 1.00 - vpcmpeqd %xmm2, %xmm2, %xmm3 |
| # CHECK-NEXT: - - - - - 1.00 - - - - - 1.00 - - vpcmpeqq %xmm3, %xmm3, %xmm0 |
| |
| # CHECK: Timeline view: |
| # CHECK-NEXT: Index 012345678 |
| |
| # CHECK: [0,0] DeER . . vpcmpeqb %xmm0, %xmm0, %xmm1 |
| # CHECK-NEXT: [0,1] DeER . . vpcmpeqw %xmm1, %xmm1, %xmm2 |
| # CHECK-NEXT: [0,2] .DeER. . vpcmpeqd %xmm2, %xmm2, %xmm3 |
| # CHECK-NEXT: [0,3] .DeER. . vpcmpeqq %xmm3, %xmm3, %xmm0 |
| # CHECK-NEXT: [1,0] . DeER . vpcmpeqb %xmm0, %xmm0, %xmm1 |
| # CHECK-NEXT: [1,1] . DeER . vpcmpeqw %xmm1, %xmm1, %xmm2 |
| # CHECK-NEXT: [1,2] . DeER . vpcmpeqd %xmm2, %xmm2, %xmm3 |
| # CHECK-NEXT: [1,3] . DeER . vpcmpeqq %xmm3, %xmm3, %xmm0 |
| # CHECK-NEXT: [2,0] . DeER. vpcmpeqb %xmm0, %xmm0, %xmm1 |
| # CHECK-NEXT: [2,1] . DeER. vpcmpeqw %xmm1, %xmm1, %xmm2 |
| # CHECK-NEXT: [2,2] . DeER vpcmpeqd %xmm2, %xmm2, %xmm3 |
| # CHECK-NEXT: [2,3] . DeER vpcmpeqq %xmm3, %xmm3, %xmm0 |
| |
| # CHECK: Average Wait times (based on the timeline view): |
| # CHECK-NEXT: [0]: Executions |
| # CHECK-NEXT: [1]: Average time spent waiting in a scheduler's queue |
| # CHECK-NEXT: [2]: Average time spent waiting in a scheduler's queue while ready |
| # CHECK-NEXT: [3]: Average time elapsed from WB until retire stage |
| |
| # CHECK: [0] [1] [2] [3] |
| # CHECK-NEXT: 0. 3 1.0 1.0 0.0 vpcmpeqb %xmm0, %xmm0, %xmm1 |
| # CHECK-NEXT: 1. 3 1.0 1.0 0.0 vpcmpeqw %xmm1, %xmm1, %xmm2 |
| # CHECK-NEXT: 2. 3 1.0 1.0 0.0 vpcmpeqd %xmm2, %xmm2, %xmm3 |
| # CHECK-NEXT: 3. 3 1.0 1.0 0.0 vpcmpeqq %xmm3, %xmm3, %xmm0 |
