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GH87798

Created 2 years agoDiff never expires

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Iterations: 100

Instructions: 600

Instructions: 500

Total Cycles: 309

Total Cycles: 209

Total uOps: 1000

Total uOps: 700

Dispatch Width: 4

uOps Per Cycle: 3.24

uOps Per Cycle: 3.35

IPC: 1.94

IPC: 2.39

Block RThroughput: 2.5

Block RThroughput: 1.8

Instruction Info:

[1]: #uOps

[2]: Latency

[3]: RThroughput

[4]: MayLoad

[5]: MayStore

[6]: HasSideEffects (U)

[1] [2] [3] [4] [5] [6] Instructions:

1 1 0.25 mov ecx, edi

1 1 0.50 lea ecx, [rsi - 1]

1 1 0.25 mov eax, 3

1 1 0.25 and ecx, esi

3 3 1.00 shl eax, cl

1 1 0.50 lea eax, [rcx - 1]

1 1 0.25 not eax

1 1 0.25 and eax, ecx

1 1 0.25 and eax, esi

3 7 1.00 U ret

Resources:

[0] - HWDivider

[1] - HWFPDivider

[2] - HWPort0

[3] - HWPort1

[4] - HWPort2

[5] - HWPort3

[6] - HWPort4

[7] - HWPort5

[8] - HWPort6

[9] - HWPort7

Resource pressure per iteration:

[0] [1] [2] [3] [4] [5] [6] [7] [8] [9]

- - 3.00 2.00 0.50 0.50 - 2.00 2.00 -

- - 1.50 1.50 0.50 0.50 - 1.50 1.50 -

Resource pressure by instruction:

[0] [1] [2] [3] [4] [5] [6] [7] [8] [9] Instructions:

- - - 0.99 - - - - 0.01 - mov ecx, edi

- - - 0.50 - - - 0.50 - - lea ecx, [rsi - 1]

- - 0.99 - - - - 0.01 - - mov eax, 3

- - - 0.50 - - - - 0.50 - and ecx, esi

- - 2.00 0.01 - - - 0.99 - - shl eax, cl

- - - - - - - 1.00 - - lea eax, [rcx - 1]

- - - 0.01 - - - - 0.99 - not eax

- - 1.00 - - - - - - - and eax, ecx

- - 0.01 0.99 - - - - - - and eax, esi

- - 0.50 0.50 0.50 0.50 - - 1.00 - ret

- - - - 0.50 0.50 - 1.00 1.00 - ret

warning: found a return instruction in the input assembly sequence.

note: program counter updates are ignored.

Saved diffs

Original text

Open file

Iterations:        100
Instructions:      600
Total Cycles:      309
Total uOps:        1000

Dispatch Width:    4
uOps Per Cycle:    3.24
IPC:               1.94
Block RThroughput: 2.5

Instruction Info:
[1]: #uOps
[2]: Latency
[3]: RThroughput
[4]: MayLoad
[5]: MayStore
[6]: HasSideEffects (U)

[1]    [2]    [3]    [4]    [5]    [6]    Instructions:
 1      1     0.25                        mov	ecx, edi
 1      1     0.25                        mov	eax, 3
 3      3     1.00                        shl	eax, cl
 1      1     0.25                        not	eax
 1      1     0.25                        and	eax, esi
 3      7     1.00                  U     ret

Resources:
[0]   - HWDivider
[1]   - HWFPDivider
[2]   - HWPort0
[3]   - HWPort1
[4]   - HWPort2
[5]   - HWPort3
[6]   - HWPort4
[7]   - HWPort5
[8]   - HWPort6
[9]   - HWPort7

Resource pressure per iteration:
[0]    [1]    [2]    [3]    [4]    [5]    [6]    [7]    [8]    [9]    
 -      -     3.00   2.00   0.50   0.50    -     2.00   2.00    -

Resource pressure by instruction:
[0]    [1]    [2]    [3]    [4]    [5]    [6]    [7]    [8]    [9]    Instructions:
 -      -      -     0.99    -      -      -      -     0.01    -     mov	ecx, edi
 -      -     0.99    -      -      -      -     0.01    -      -     mov	eax, 3
 -      -     2.00   0.01    -      -      -     0.99    -      -     shl	eax, cl
 -      -      -     0.01    -      -      -      -     0.99    -     not	eax
 -      -     0.01   0.99    -      -      -      -      -      -     and	eax, esi
 -      -      -      -     0.50   0.50    -     1.00   1.00    -     ret
warning: found a return instruction in the input assembly sequence.
note: program counter updates are ignored.

Changed text

Open file

Iterations:        100
Instructions:      500
Total Cycles:      209
Total uOps:        700

Dispatch Width:    4
uOps Per Cycle:    3.35
IPC:               2.39
Block RThroughput: 1.8

Instruction Info:
[1]: #uOps
[2]: Latency
[3]: RThroughput
[4]: MayLoad
[5]: MayStore
[6]: HasSideEffects (U)

[1]    [2]    [3]    [4]    [5]    [6]    Instructions:
 1      1     0.50                        lea	ecx, [rsi - 1]
 1      1     0.25                        and	ecx, esi
 1      1     0.50                        lea	eax, [rcx - 1]
 1      1     0.25                        and	eax, ecx
 3      7     1.00                  U     ret

Resources:
[0]   - HWDivider
[1]   - HWFPDivider
[2]   - HWPort0
[3]   - HWPort1
[4]   - HWPort2
[5]   - HWPort3
[6]   - HWPort4
[7]   - HWPort5
[8]   - HWPort6
[9]   - HWPort7

Resource pressure per iteration:
[0]    [1]    [2]    [3]    [4]    [5]    [6]    [7]    [8]    [9]    
 -      -     1.50   1.50   0.50   0.50    -     1.50   1.50    -

Resource pressure by instruction:
[0]    [1]    [2]    [3]    [4]    [5]    [6]    [7]    [8]    [9]    Instructions:
 -      -      -     0.50    -      -      -     0.50    -      -     lea	ecx, [rsi - 1]
 -      -      -     0.50    -      -      -      -     0.50    -     and	ecx, esi
 -      -      -      -      -      -      -     1.00    -      -     lea	eax, [rcx - 1]
 -      -     1.00    -      -      -      -      -      -      -     and	eax, ecx
 -      -     0.50   0.50   0.50   0.50    -      -     1.00    -     ret
warning: found a return instruction in the input assembly sequence.
note: program counter updates are ignored.