1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
| # NOTE: Assertions have been autogenerated by utils/update_mca_test_checks.py
# RUN: llvm-mca -mtriple=x86_64-unknown-unknown -mcpu=x86-64 -timeline -timeline-max-iterations=3 -register-file-stats < %s | FileCheck %s
xor %rsi, %rsi
add %rcx, %rcx
add %rcx, %rcx
add %rcx, %rcx
add %rcx, %rcx
mov %esi, %ecx
# CHECK: Iterations: 100
# CHECK-NEXT: Instructions: 600
# CHECK-NEXT: Total Cycles: 172
# CHECK-NEXT: Total uOps: 600
# CHECK: Dispatch Width: 4
# CHECK-NEXT: uOps Per Cycle: 3.49
# CHECK-NEXT: IPC: 3.49
# CHECK-NEXT: Block RThroughput: 1.7
# 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 0 0.25 xorq %rsi, %rsi
# CHECK-NEXT: 1 1 0.33 addq %rcx, %rcx
# CHECK-NEXT: 1 1 0.33 addq %rcx, %rcx
# CHECK-NEXT: 1 1 0.33 addq %rcx, %rcx
# CHECK-NEXT: 1 1 0.33 addq %rcx, %rcx
# CHECK-NEXT: 1 1 0.33 movl %esi, %ecx
# CHECK: Register File statistics:
# CHECK-NEXT: Total number of mappings created: 1100
# CHECK-NEXT: Max number of mappings used: 141
# CHECK: Resources:
# CHECK-NEXT: [0] - SBDivider
# CHECK-NEXT: [1] - SBFPDivider
# CHECK-NEXT: [2] - SBPort0
# CHECK-NEXT: [3] - SBPort1
# CHECK-NEXT: [4] - SBPort4
# CHECK-NEXT: [5] - SBPort5
# CHECK-NEXT: [6.0] - SBPort23
# CHECK-NEXT: [6.1] - SBPort23
# CHECK: Resource pressure per iteration:
# CHECK-NEXT: [0] [1] [2] [3] [4] [5] [6.0] [6.1]
# CHECK-NEXT: - - 1.66 1.67 - 1.67 - -
# CHECK: Resource pressure by instruction:
# CHECK-NEXT: [0] [1] [2] [3] [4] [5] [6.0] [6.1] Instructions:
# CHECK-NEXT: - - - - - - - - xorq %rsi, %rsi
# CHECK-NEXT: - - 0.66 0.33 - 0.01 - - addq %rcx, %rcx
# CHECK-NEXT: - - - 1.00 - - - - addq %rcx, %rcx
# CHECK-NEXT: - - - 0.33 - 0.67 - - addq %rcx, %rcx
# CHECK-NEXT: - - - 0.01 - 0.99 - - addq %rcx, %rcx
# CHECK-NEXT: - - 1.00 - - - - - movl %esi, %ecx
# CHECK: Timeline view:
# CHECK-NEXT: Index 0123456789
# CHECK: [0,0] DR . . xorq %rsi, %rsi
# CHECK-NEXT: [0,1] DeER . . addq %rcx, %rcx
# CHECK-NEXT: [0,2] D=eER. . addq %rcx, %rcx
# CHECK-NEXT: [0,3] D==eER . addq %rcx, %rcx
# CHECK-NEXT: [0,4] .D==eER . addq %rcx, %rcx
# CHECK-NEXT: [0,5] .DeE--R . movl %esi, %ecx
# CHECK-NEXT: [1,0] .D----R . xorq %rsi, %rsi
# CHECK-NEXT: [1,1] .D=eE-R . addq %rcx, %rcx
# CHECK-NEXT: [1,2] . D=eER . addq %rcx, %rcx
# CHECK-NEXT: [1,3] . D==eER . addq %rcx, %rcx
# CHECK-NEXT: [1,4] . D===eER. addq %rcx, %rcx
# CHECK-NEXT: [1,5] . DeE---R. movl %esi, %ecx
# CHECK-NEXT: [2,0] . D----R. xorq %rsi, %rsi
# CHECK-NEXT: [2,1] . DeE--R. addq %rcx, %rcx
# CHECK-NEXT: [2,2] . D=eE-R. addq %rcx, %rcx
# CHECK-NEXT: [2,3] . D==eER. addq %rcx, %rcx
# CHECK-NEXT: [2,4] . D==eER addq %rcx, %rcx
# CHECK-NEXT: [2,5] . DeE--R movl %esi, %ecx
# 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 0.0 0.0 2.7 xorq %rsi, %rsi
# CHECK-NEXT: 1. 3 1.3 0.3 1.0 addq %rcx, %rcx
# CHECK-NEXT: 2. 3 2.0 0.0 0.3 addq %rcx, %rcx
# CHECK-NEXT: 3. 3 3.0 0.0 0.0 addq %rcx, %rcx
# CHECK-NEXT: 4. 3 3.3 0.0 0.0 addq %rcx, %rcx
# CHECK-NEXT: 5. 3 1.0 1.0 2.3 movl %esi, %ecx
# CHECK-NEXT: 3 1.8 0.2 1.1 <total>
|