From 49a56faee22b12b69ccccc0bed8d91ceeadfcde2 Mon Sep 17 00:00:00 2001 From: Simon Pilgrim Date: Thu, 15 Mar 2018 22:34:24 +0000 Subject: [PATCH] [X86][Btver2] Add test to show timeline of fpu instructions on different pipes/units Try to demonstrate the scheduling from fpu0/fpu1 pipes to the valu0/vimul/fpa or valu1/stc/fpm functional units llvm-svn: 327676 --- llvm/test/tools/llvm-mca/X86/BtVer2/pipes-fpu.s | 114 ++++++++++++++++++++++++ 1 file changed, 114 insertions(+) create mode 100644 llvm/test/tools/llvm-mca/X86/BtVer2/pipes-fpu.s diff --git a/llvm/test/tools/llvm-mca/X86/BtVer2/pipes-fpu.s b/llvm/test/tools/llvm-mca/X86/BtVer2/pipes-fpu.s new file mode 100644 index 0000000..0d7b5dc --- /dev/null +++ b/llvm/test/tools/llvm-mca/X86/BtVer2/pipes-fpu.s @@ -0,0 +1,114 @@ +# RUN: llvm-mca -mtriple=x86_64-unknown-unknown -mcpu=btver2 -timeline -timeline-max-iterations=2 < %s | FileCheck %s + +# VALU0/VALU1 +vpmulld %xmm0, %xmm1, %xmm2 +vpand %xmm0, %xmm1, %xmm2 + +# VIMUL/STC +vcvttps2dq %xmm0, %xmm1 +vpclmulqdq $0, %xmm0, %xmm1, %xmm2 + +# FPA/FPM +vaddps %xmm0, %xmm1, %xmm2 +vsqrtps %xmm0, %xmm1 + +# FPA/FPM YMM +vaddps %ymm0, %ymm1, %ymm2 +vsqrtps %ymm0, %ymm1 + + +# CHECK: Iterations: 70 +# CHECK-NEXT: Instructions: 560 +# CHECK-NEXT: Total Cycles: 3155 +# CHECK-NEXT: Dispatch Width: 2 +# CHECK-NEXT: IPC: 0.18 + + +# 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 + +# CHECK: [1] [2] [3] [4] [5] [6] Instructions: +# CHECK-NEXT: 1 2 1.00 vpmulld %xmm0, %xmm1, %xmm2 +# CHECK-NEXT: 1 1 0.50 vpand %xmm0, %xmm1, %xmm2 +# CHECK-NEXT: 1 3 1.00 vcvttps2dq %xmm0, %xmm1 +# CHECK-NEXT: 1 2 1.00 vpclmulqdq $0, %xmm0, %xmm1, %xmm2 +# CHECK-NEXT: 1 3 1.00 vaddps %xmm0, %xmm1, %xmm2 +# CHECK-NEXT: 1 21 21.00 vsqrtps %xmm0, %xmm1 +# CHECK-NEXT: 1 3 2.00 vaddps %ymm0, %ymm1, %ymm2 +# CHECK-NEXT: 1 42 42.00 vsqrtps %ymm0, %ymm1 + + +# 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: - - - - 21.00 5.00 45.00 - - - - - - 1.00 + +# 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 - - - - - - - - vpmulld %xmm0, %xmm1, %xmm2 +# CHECK-NEXT: - - - - - - 1.00 - - - - - - - vpand %xmm0, %xmm1, %xmm2 +# CHECK-NEXT: - - - - - - 1.00 - - - - - - - vcvttps2dq %xmm0, %xmm1 +# CHECK-NEXT: - - - - - 1.00 - - - - - - - 1.00 vpclmulqdq $0, %xmm0, %xmm1, %xmm2 +# CHECK-NEXT: - - - - - 1.00 - - - - - - - - vaddps %xmm0, %xmm1, %xmm2 +# CHECK-NEXT: - - - - 21.00 - 1.00 - - - - - - - vsqrtps %xmm0, %xmm1 +# CHECK-NEXT: - - - - - 2.00 - - - - - - - - vaddps %ymm0, %ymm1, %ymm2 +# CHECK-NEXT: - - - - - - 42.00 - - - - - - - vsqrtps %ymm0, %ymm1 + + +# CHECK: Timeline view: +# CHECK-NEXT: 0123456789 0123456789 0123456789 0 +# CHECK-NEXT: Index 0123456789 0123456789 0123456789 0123456789 + +# CHECK: [0,0] DeeER. . . . . . . . . . . . . . vpmulld %xmm0, %xmm1, %xmm2 +# CHECK-NEXT: [0,1] DeE-R. . . . . . . . . . . . . . vpand %xmm0, %xmm1, %xmm2 +# CHECK-NEXT: [0,2] .DeeeER . . . . . . . . . . . . . vcvttps2dq %xmm0, %xmm1 +# CHECK-NEXT: [0,3] .D===eeER . . . . . . . . . . . . . vpclmulqdq $0, %xmm0, %xmm1, %xmm2 +# CHECK-NEXT: [0,4] . D===eeeER . . . . . . . . . . . . vaddps %xmm0, %xmm1, %xmm2 +# CHECK-NEXT: [0,5] . DeeeeeeeeeeeeeeeeeeeeeER . . . . . . . . . vsqrtps %xmm0, %xmm1 +# CHECK-NEXT: [0,6] . D====================eeeER . . . . . . . . . vaddps %ymm0, %ymm1, %ymm2 +# CHECK-NEXT: [0,7] . DeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeER . . . . . vsqrtps %ymm0, %ymm1 + +# CHECK: [1,0] . D=========================================eeER. . . . . vpmulld %xmm0, %xmm1, %xmm2 +# CHECK-NEXT: [1,1] . D=========================================eE-R. . . . . vpand %xmm0, %xmm1, %xmm2 +# CHECK-NEXT: [1,2] . D=========================================eeeER . . . . vcvttps2dq %xmm0, %xmm1 +# CHECK-NEXT: [1,3] . D============================================eeER . . . . vpclmulqdq $0, %xmm0, %xmm1, %xmm2 +# CHECK-NEXT: [1,4] . .D============================================eeeER . . . vaddps %xmm0, %xmm1, %xmm2 +# CHECK-NEXT: [1,5] . .D=========================================eeeeeeeeeeeeeeeeeeeeeER vsqrtps %xmm0, %xmm1 + + +# 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. 2 21.5 0.5 0.0 vpmulld %xmm0, %xmm1, %xmm2 +# CHECK-NEXT: 1. 2 21.5 0.5 1.0 vpand %xmm0, %xmm1, %xmm2 +# CHECK-NEXT: 2. 2 21.5 21.5 0.0 vcvttps2dq %xmm0, %xmm1 +# CHECK-NEXT: 3. 2 24.5 0.0 0.0 vpclmulqdq $0, %xmm0, %xmm1, %xmm2 +# CHECK-NEXT: 4. 2 24.5 1.0 0.0 vaddps %xmm0, %xmm1, %xmm2 +# CHECK-NEXT: 5. 2 21.5 21.5 0.0 vsqrtps %xmm0, %xmm1 +# CHECK-NEXT: 6. 1 21.0 0.0 0.0 vaddps %ymm0, %ymm1, %ymm2 +# CHECK-NEXT: 7. 1 1.0 1.0 0.0 vsqrtps %ymm0, %ymm1 -- 2.7.4