bug329 (missed optimization)

Time bar (total: 875.0ms)

start0.0ms (0%)

Memory
0.1MiB live, 0.1MiB allocated; 0ms collecting garbage

analyze8.0ms (0.9%)

Memory
13.6MiB live, 13.6MiB allocated; 0ms collecting garbage
Algorithm
1×search
Search
ProbabilityValidUnknownPreconditionInfiniteDomainCan'tIter
0%0%50%50%0%0%0%0
0%0%50%50%0%0%0%1
50%25%25%50%0%0%0%2
50%25%25%50%0%0%0%3
75%37.5%12.5%50%0%0%0%4
75%37.5%12.5%50%0%0%0%5
87.5%43.7%6.2%50%0%0%0%6
87.5%43.7%6.2%50%0%0%0%7
93.8%46.8%3.1%50%0%0%0%8
93.8%46.8%3.1%50%0%0%0%9
96.9%48.4%1.6%50%0%0%0%10
96.9%48.4%1.6%50%0%0%0%11
98.4%49.2%0.8%50%0%0%0%12
Compiler

Compiled 8 to 7 computations (12.5% saved)

sample706.0ms (80.8%)

Memory
-6.4MiB live, 849.4MiB allocated; 168ms collecting garbage
Samples
457.0ms8 256×0valid
Precisions
Click to see histograms. Total time spent on operations: 234.0ms
ival-div: 93.0ms (39.7% of total)
ival->=: 69.0ms (29.5% of total)
ival-atan: 58.0ms (24.8% of total)
exact: 7.0ms (3% of total)
ival-assert: 4.0ms (1.7% of total)
adjust: 3.0ms (1.3% of total)
Bogosity

explain68.0ms (7.8%)

Memory
9.9MiB live, 56.3MiB allocated; 4ms collecting garbage
FPErrors
Click to see full error table
Ground TruthOverpredictionsExampleUnderpredictionsExampleSubexpression
00-0-(/.f64 y x)
00-0-y
00-0-(atan.f64 (/.f64 y x))
00-0-x
Confusion
Predicted +Predicted -
+00
-0256
Precision
0/0
Recall
0/0
Confusion?
Predicted +Predicted MaybePredicted -
+000
-00256
Precision?
0/0
Recall?
0/0
Freqs
test
numberfreq
0256
Total Confusion?
Predicted +Predicted MaybePredicted -
+000
-001
Precision?
0/0
Recall?
0/0
Samples
19.0ms512×0valid
Compiler

Compiled 26 to 16 computations (38.5% saved)

Precisions
Click to see histograms. Total time spent on operations: 8.0ms
ival-div: 4.0ms (50.8% of total)
ival-atan: 3.0ms (38.1% of total)
ival-true: 0.0ms (0% of total)
adjust: 0.0ms (0% of total)
ival-assert: 0.0ms (0% of total)

preprocess16.0ms (1.9%)

Memory
-28.1MiB live, 19.2MiB allocated; 2ms collecting garbage
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
01226
11426
044
064
064
Stop Event
1×iter limit
1×saturated
1×iter limit
1×saturated
Calls
Call 1
Inputs
(atan.f64 (/.f64 y x))
Outputs
(atan.f64 (/.f64 y x))
Compiler

Compiled 4 to 4 computations (0% saved)

eval0.0ms (0%)

Memory
0.1MiB live, 0.1MiB allocated; 0ms collecting garbage
Compiler

Compiled 0 to 2 computations (-∞% saved)

prune0.0ms (0%)

Memory
0.8MiB live, 0.8MiB allocated; 0ms collecting garbage
Alt Table
Click to see full alt table
StatusAccuracyProgram
▶100.0%
(atan.f64 (/.f64 y x))
Compiler

Compiled 4 to 4 computations (0% saved)

simplify3.0ms (0.3%)

Memory
3.7MiB live, 3.7MiB allocated; 0ms collecting garbage
Localize:

Found 2 expressions of interest:

NewMetricScoreProgram
cost-diff0
(/.f64 y x)
cost-diff0
(atan.f64 (/.f64 y x))
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
049
069
069
Stop Event
1×iter limit
1×saturated
1×iter limit
Calls
Call 1
Inputs
(atan.f64 (/.f64 y x))
(/.f64 y x)
y
x
Outputs
(atan.f64 (/.f64 y x))
(/.f64 y x)
y
x

localize13.0ms (1.5%)

Memory
24.3MiB live, 24.3MiB allocated; 0ms collecting garbage
Localize:

Found 2 expressions of interest:

NewMetricScoreProgram
accuracy0.0
(/.f64 y x)
accuracy0.0
(atan.f64 (/.f64 y x))
Samples
9.0ms256×0valid
Compiler

Compiled 11 to 6 computations (45.5% saved)

Precisions
Click to see histograms. Total time spent on operations: 4.0ms
ival-div: 2.0ms (52.4% of total)
ival-atan: 1.0ms (26.2% of total)
ival-true: 0.0ms (0% of total)
adjust: 0.0ms (0% of total)
ival-assert: 0.0ms (0% of total)

series3.0ms (0.4%)

Memory
6.7MiB live, 6.7MiB allocated; 0ms collecting garbage
Counts
2 → 2
Calls
Call 1
Inputs
(atan.f64 (/.f64 y x))
(/.f64 y x)
Outputs
#s(approx (atan (/ y x)) #s(hole binary64 (atan (/ y x))))
#s(approx (/ y x) #s(hole binary64 (/ y x)))
Calls

6 calls:

TimeVariablePointExpression
1.0ms
y
@inf
((atan (/ y x)) (/ y x))
1.0ms
x
@-inf
((atan (/ y x)) (/ y x))
1.0ms
y
@-inf
((atan (/ y x)) (/ y x))
0.0ms
x
@0
((atan (/ y x)) (/ y x))
0.0ms
x
@inf
((atan (/ y x)) (/ y x))

simplify19.0ms (2.2%)

Memory
-60.1MiB live, 5.2MiB allocated; 17ms collecting garbage
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
0616
0616
Stop Event
1×iter limit
1×saturated
Counts
2 → 2
Calls
Call 1
Inputs
#s(approx (atan (/ y x)) #s(hole binary64 (atan (/ y x))))
#s(approx (/ y x) #s(hole binary64 (/ y x)))
Outputs
#s(approx (atan (/ y x)) #s(hole binary64 (atan (/ y x))))
#s(approx (atan (/ y x)) (atan.f64 (/.f64 y x)))
#s(approx (/ y x) #s(hole binary64 (/ y x)))
#s(approx (/ y x) (/.f64 y x))

rewrite15.0ms (1.7%)

Memory
10.1MiB live, 10.1MiB allocated; 0ms collecting garbage
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
047
067
197
2167
3297
4307
0307
Stop Event
1×iter limit
1×saturated
1×iter limit
Counts
2 → 5
Calls
Call 1
Inputs
(atan.f64 (/.f64 y x))
(/.f64 y x)
Outputs
(neg.f64 (atan.f64 (/.f64 (neg.f64 y) x)))
(atan.f64 (/.f64 y x))
(/.f64 (neg.f64 y) (neg.f64 x))
(/.f64 y x)
(neg.f64 (/.f64 (neg.f64 y) x))

eval1.0ms (0.1%)

Memory
0.8MiB live, 0.8MiB allocated; 0ms collecting garbage
Compiler

Compiled 43 to 18 computations (58.1% saved)

prune1.0ms (0.1%)

Memory
1.0MiB live, 1.0MiB allocated; 0ms collecting garbage
Pruning

1 alts after pruning (0 fresh and 1 done)

PrunedKeptTotal
New707
Fresh000
Picked011
Done000
Total718
Accuracy
100.0%
Counts
8 → 1
Alt Table
Click to see full alt table
StatusAccuracyProgram
✓100.0%
(atan.f64 (/.f64 y x))
Compiler

Compiled 8 to 8 computations (0% saved)

simplify8.0ms (0.9%)

Memory
7.4MiB live, 7.4MiB allocated; 0ms collecting garbage
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
044
Stop Event
1×saturated
Calls
Call 1
Inputs
(atan.f64 (/.f64 y x))
Outputs
(atan.f64 (/.f64 y x))

derivations0.0ms (0%)

Memory
0.2MiB live, 0.2MiB allocated; 0ms collecting garbage
Stop Event
1×done
Compiler

Compiled 4 to 4 computations (0% saved)

preprocess13.0ms (1.4%)

Memory
12.7MiB live, 12.7MiB allocated; 0ms collecting garbage
Compiler

Compiled 22 to 22 computations (0% saved)

end0.0ms (0%)

Memory
0.0MiB live, 0.0MiB allocated; 0ms collecting garbage

Profiling

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