bottleneck-hints-3.s
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# NOTE: Assertions have been autogenerated by utils/update_mca_test_checks.py
# RUN: llvm-mca -mtriple=x86_64-unknown-unknown -mcpu=btver2 -iterations=1500 -noalias=false -timeline -timeline-max-iterations=1 -bottleneck-analysis < %s | FileCheck %s
vmovaps (%rsi), %xmm0
vmovaps %xmm0, (%rdi)
vmovaps 16(%rsi), %xmm0
vmovaps %xmm0, 16(%rdi)
vmovaps 32(%rsi), %xmm0
vmovaps %xmm0, 32(%rdi)
vmovaps 48(%rsi), %xmm0
vmovaps %xmm0, 48(%rdi)
# CHECK: Iterations: 1500
# CHECK-NEXT: Instructions: 12000
# CHECK-NEXT: Total Cycles: 36003
# CHECK-NEXT: Total uOps: 12000
# CHECK: Dispatch Width: 2
# CHECK-NEXT: uOps Per Cycle: 0.33
# CHECK-NEXT: IPC: 0.33
# CHECK-NEXT: Block RThroughput: 4.0
# CHECK: Cycles with backend pressure increase [ 99.89% ]
# CHECK-NEXT: Throughput Bottlenecks:
# CHECK-NEXT: Resource Pressure [ 0.00% ]
# CHECK-NEXT: Data Dependencies: [ 99.89% ]
# CHECK-NEXT: - Register Dependencies [ 83.24% ]
# CHECK-NEXT: - Memory Dependencies [ 99.89% ]
# CHECK: Critical sequence based on the simulation:
# CHECK: Instruction Dependency Information
# CHECK-NEXT: +----< 7. vmovaps %xmm0, 48(%rdi)
# CHECK-NEXT: |
# CHECK-NEXT: | < loop carried >
# CHECK-NEXT: |
# CHECK-NEXT: +----> 0. vmovaps (%rsi), %xmm0 ## MEMORY dependency.
# CHECK-NEXT: +----> 1. vmovaps %xmm0, (%rdi) ## REGISTER dependency: %xmm0
# CHECK-NEXT: +----> 2. vmovaps 16(%rsi), %xmm0 ## MEMORY dependency.
# CHECK-NEXT: +----> 3. vmovaps %xmm0, 16(%rdi) ## REGISTER dependency: %xmm0
# CHECK-NEXT: +----> 4. vmovaps 32(%rsi), %xmm0 ## MEMORY dependency.
# CHECK-NEXT: +----> 5. vmovaps %xmm0, 32(%rdi) ## REGISTER dependency: %xmm0
# CHECK-NEXT: +----> 6. vmovaps 48(%rsi), %xmm0 ## MEMORY dependency.
# CHECK-NEXT: +----> 7. vmovaps %xmm0, 48(%rdi) ## REGISTER dependency: %xmm0
# CHECK-NEXT: |
# CHECK-NEXT: | < loop carried >
# CHECK-NEXT: |
# CHECK-NEXT: +----> 0. vmovaps (%rsi), %xmm0 ## MEMORY dependency.
# 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 5 1.00 * vmovaps (%rsi), %xmm0
# CHECK-NEXT: 1 1 1.00 * vmovaps %xmm0, (%rdi)
# CHECK-NEXT: 1 5 1.00 * vmovaps 16(%rsi), %xmm0
# CHECK-NEXT: 1 1 1.00 * vmovaps %xmm0, 16(%rdi)
# CHECK-NEXT: 1 5 1.00 * vmovaps 32(%rsi), %xmm0
# CHECK-NEXT: 1 1 1.00 * vmovaps %xmm0, 32(%rdi)
# CHECK-NEXT: 1 5 1.00 * vmovaps 48(%rsi), %xmm0
# CHECK-NEXT: 1 1 1.00 * vmovaps %xmm0, 48(%rdi)
# 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: - - - - - - 4.00 4.00 - 4.00 4.00 - - -
# 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 - - - - - - vmovaps (%rsi), %xmm0
# CHECK-NEXT: - - - - - - 1.00 - - 1.00 1.00 - - - vmovaps %xmm0, (%rdi)
# CHECK-NEXT: - - - - - - - 1.00 - - - - - - vmovaps 16(%rsi), %xmm0
# CHECK-NEXT: - - - - - - 1.00 - - 1.00 1.00 - - - vmovaps %xmm0, 16(%rdi)
# CHECK-NEXT: - - - - - - - 1.00 - - - - - - vmovaps 32(%rsi), %xmm0
# CHECK-NEXT: - - - - - - 1.00 - - 1.00 1.00 - - - vmovaps %xmm0, 32(%rdi)
# CHECK-NEXT: - - - - - - - 1.00 - - - - - - vmovaps 48(%rsi), %xmm0
# CHECK-NEXT: - - - - - - 1.00 - - 1.00 1.00 - - - vmovaps %xmm0, 48(%rdi)
# CHECK: Timeline view:
# CHECK-NEXT: 0123456789
# CHECK-NEXT: Index 0123456789 0123456
# CHECK: [0,0] DeeeeeER . . . .. vmovaps (%rsi), %xmm0
# CHECK-NEXT: [0,1] D=====eER . . . .. vmovaps %xmm0, (%rdi)
# CHECK-NEXT: [0,2] .D=====eeeeeER . . .. vmovaps 16(%rsi), %xmm0
# CHECK-NEXT: [0,3] .D==========eER. . .. vmovaps %xmm0, 16(%rdi)
# CHECK-NEXT: [0,4] . D==========eeeeeER. .. vmovaps 32(%rsi), %xmm0
# CHECK-NEXT: [0,5] . D===============eER .. vmovaps %xmm0, 32(%rdi)
# CHECK-NEXT: [0,6] . D===============eeeeeER. vmovaps 48(%rsi), %xmm0
# CHECK-NEXT: [0,7] . D====================eER vmovaps %xmm0, 48(%rdi)
# 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. 1 1.0 1.0 0.0 vmovaps (%rsi), %xmm0
# CHECK-NEXT: 1. 1 6.0 0.0 0.0 vmovaps %xmm0, (%rdi)
# CHECK-NEXT: 2. 1 6.0 0.0 0.0 vmovaps 16(%rsi), %xmm0
# CHECK-NEXT: 3. 1 11.0 0.0 0.0 vmovaps %xmm0, 16(%rdi)
# CHECK-NEXT: 4. 1 11.0 0.0 0.0 vmovaps 32(%rsi), %xmm0
# CHECK-NEXT: 5. 1 16.0 0.0 0.0 vmovaps %xmm0, 32(%rdi)
# CHECK-NEXT: 6. 1 16.0 0.0 0.0 vmovaps 48(%rsi), %xmm0
# CHECK-NEXT: 7. 1 21.0 0.0 0.0 vmovaps %xmm0, 48(%rdi)
# CHECK-NEXT: 1 11.0 0.1 0.0 <total>