Kahan's exp quotient

Time bar (total: 544.0ms)

start0.0ms (0%)

Memory
0.0MiB live, 0.0MiB allocated

analyze1.0ms (0.2%)

Memory
0.3MiB live, 0.3MiB allocated
Algorithm
1×search
Search
ProbabilityValidUnknownPreconditionInfiniteDomainCan'tIter
0%0%100%0%0%0%0%0
0%0%100%0%0%0%0%1
50%50%50%0%0%0%0%2
75%75%25%0%0%0%0%3
87.5%87.5%12.5%0%0%0%0%4
93.8%93.7%6.2%0%0%0%0%5
96.9%96.8%3.1%0%0%0%0%6
98.4%98.4%1.6%0%0%0%0%7
99.2%99.2%0.8%0%0%0%0%8
99.6%99.6%0.4%0%0%0%0%9
99.8%99.8%0.2%0%0%0%0%10
99.9%99.9%0.1%0%0%0%0%11
100%99.9%0%0%0%0%0%12
Compiler

Compiled 8 to 5 computations (37.5% saved)

sample12.0ms (2.2%)

Memory
4.3MiB live, 4.3MiB allocated
Samples
7.0ms260×0valid
Precisions
Click to see histograms. Total time spent on operations: 3.0ms
ival-div: 2.0ms (58% of total)
ival-expm1: 2.0ms (58% of total)
ival-true: 0.0ms (0% of total)
ival-assert: 0.0ms (0% of total)
Bogosity

explain462.0ms (85%)

Memory
1.7MiB live, 335.5MiB allocated
FPErrors
Click to see full error table
Ground TruthOverpredictionsExampleUnderpredictionsExampleSubexpression
1170-0-(-.f64 (exp.f64 x) #s(literal 1 binary64))
00-0-(/.f64 (-.f64 (exp.f64 x) #s(literal 1 binary64)) x)
00-0-#s(literal 1 binary64)
00-0-(exp.f64 x)
00-0-x
Explanations
Click to see full explanations table
OperatorSubexpressionExplanationCount
-.f64(-.f64 (exp.f64 x) #s(literal 1 binary64))cancellation1170
Confusion
Predicted +Predicted -
+1170
-0139
Precision
1.0
Recall
1.0
Confusion?
Predicted +Predicted MaybePredicted -
+11700
-00139
Precision?
1.0
Recall?
1.0
2:
4:
8:
16:
32:
64:
128:
256:
512:
1024:
2048:
Freqs
test
numberfreq
0139
1117
Total Confusion?
Predicted +Predicted MaybePredicted -
+100
-000
Precision?
1.0
Recall?
1.0
Total Time
3.635986328125
Average Time
0.014203071594238281
Samples
117.0ms3 072×0valid
Compiler

Compiled 600 to 264 computations (56% saved)

Precisions
Click to see histograms. Total time spent on operations: 62.0ms
ival-div: 20.0ms (32.3% of total)
ival-exp: 19.0ms (30.6% of total)
ival-expm1: 19.0ms (30.6% of total)
ival-true: 2.0ms (3.2% of total)
exact: 2.0ms (3.2% of total)
ival-assert: 1.0ms (1.6% of total)

preprocess45.0ms (8.2%)

Memory
-1.2MiB live, 6.3MiB allocated
Algorithm
1×egg-herbie
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
0717
12715
27014
320914
452314
566914
679014
782514
882614
056
086
1166
2196
3256
4346
5466
6666
71106
81736
93216
104756
115696
126366
138446
148516
158526
08524
Stop Event
1×iter limit
1×saturated
1×iter limit
1×saturated
Calls
Call 1
Inputs
(/.f64 (-.f64 (exp.f64 x) #s(literal 1 binary64)) x)
Outputs
(/.f64 (-.f64 (exp.f64 x) #s(literal 1 binary64)) x)
(/.f64 (expm1.f64 x) x)
Compiler

Compiled 6 to 5 computations (16.7% saved)

eval0.0ms (0%)

Memory
0.0MiB live, 0.0MiB allocated
Compiler

Compiled 0 to 1 computations (-∞% saved)

prune1.0ms (0.1%)

Memory
0.4MiB live, 0.4MiB allocated
Alt Table
Click to see full alt table
StatusAccuracyProgram
57.3%
(/.f64 (-.f64 (exp.f64 x) #s(literal 1 binary64)) x)
Compiler

Compiled 12 to 10 computations (16.7% saved)

simplify21.0ms (3.8%)

Memory
0.8MiB live, 18.1MiB allocated
Algorithm
1×egg-herbie
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
056
1106
2146
3176
4206
5236
Stop Event
1×saturated
Calls
Call 1
Inputs
(/.f64 (-.f64 (exp.f64 x) #s(literal 1 binary64)) x)
Outputs
(/.f64 (-.f64 (exp.f64 x) #s(literal 1 binary64)) x)

soundness0.0ms (0%)

Memory
0.2MiB live, 0.2MiB allocated
Stop Event
1×fuel
Compiler

Compiled 6 to 5 computations (16.7% saved)

preprocess2.0ms (0.4%)

Memory
1.4MiB live, 1.4MiB allocated
Compiler

Compiled 68 to 44 computations (35.3% saved)

end0.0ms (0%)

Memory
0.0MiB live, 0.0MiB allocated

Profiling

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