Details

Time bar (total: 18.0s)

sample78.0ms

Algorithm
intervals
Results
46.0ms668×body80valid

simplify2.4s

Counts
1 → 1
Iterations
IterNodes
done5001
72849
6771
5316
4187
384
239
118
07

prune5.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 7.3b

localize16.0ms

Local error

Found 3 expressions with local error:

0.0b
(cosh x)
0.0b
(* (cosh x) (/ y x))
6.9b
(/ (* (cosh x) (/ y x)) z)

rewrite32.0ms

Algorithm
rewrite-expression-head
Rules
18×add-sqr-sqrt
17×add-cbrt-cube add-exp-log
13×*-un-lft-identity times-frac associate-*r* add-cube-cbrt
pow1 cbrt-undiv cosh-def div-exp
prod-exp cbrt-unprod
expm1-log1p-u associate-/r* associate-*l* log1p-expm1-u add-log-exp associate-/l/
frac-times associate-*l/ associate-*r/ div-inv unswap-sqr
clear-num frac-2neg pow-prod-down *-commutative associate-/l*
Counts
3 → 74
Calls
3 calls:
1.0ms
(cosh x)
13.0ms
(* (cosh x) (/ y x))
13.0ms
(/ (* (cosh x) (/ y x)) z)

series311.0ms

Counts
3 → 9
Calls
3 calls:
56.0ms
(cosh x)
98.0ms
(* (cosh x) (/ y x))
157.0ms
(/ (* (cosh x) (/ y x)) z)

simplify1.2s

Counts
83 → 83
Iterations
IterNodes
done5001
21438
1386
0156

prune529.0ms

Pruning

6 alts after pruning (6 fresh and 0 done)

Merged error: 0.0b

localize18.0ms

Local error

Found 4 expressions with local error:

0.0b
(fma (exp x) 1/2 (/ 1/2 (exp x)))
0.0b
(* (fma (exp x) 1/2 (/ 1/2 (exp x))) (/ y z))
0.0b
(/ 1/2 (exp x))
4.8b
(/ (* (fma (exp x) 1/2 (/ 1/2 (exp x))) (/ y z)) x)

rewrite44.0ms

Algorithm
rewrite-expression-head
Rules
27×add-sqr-sqrt
22×*-un-lft-identity times-frac add-cube-cbrt
20×add-cbrt-cube
19×add-exp-log
13×associate-*r*
pow1 cbrt-undiv associate-/r* div-exp
expm1-log1p-u prod-exp cbrt-unprod log1p-expm1-u associate-/l* add-log-exp
associate-*l* div-inv
clear-num frac-2neg associate-*r/ unswap-sqr
pow-prod-down *-commutative fma-udef associate-/l/
Counts
4 → 99
Calls
4 calls:
0.0ms
(fma (exp x) 1/2 (/ 1/2 (exp x)))
18.0ms
(* (fma (exp x) 1/2 (/ 1/2 (exp x))) (/ y z))
9.0ms
(/ 1/2 (exp x))
13.0ms
(/ (* (fma (exp x) 1/2 (/ 1/2 (exp x))) (/ y z)) x)

series353.0ms

Counts
4 → 12
Calls
4 calls:
42.0ms
(fma (exp x) 1/2 (/ 1/2 (exp x)))
117.0ms
(* (fma (exp x) 1/2 (/ 1/2 (exp x))) (/ y z))
17.0ms
(/ 1/2 (exp x))
178.0ms
(/ (* (fma (exp x) 1/2 (/ 1/2 (exp x))) (/ y z)) x)

simplify1.6s

Counts
111 → 111
Iterations
IterNodes
done5000
21436
1445
0190

prune723.0ms

Pruning

7 alts after pruning (6 fresh and 1 done)

Merged error: 0b

localize24.0ms

Local error

Found 4 expressions with local error:

0.0b
(/ (fma 1/2 (exp x) (/ 1/2 (exp x))) z)
0.0b
(/ 1/2 (exp x))
0.2b
(* (/ (fma 1/2 (exp x) (/ 1/2 (exp x))) z) y)
4.8b
(/ (* (/ (fma 1/2 (exp x) (/ 1/2 (exp x))) z) y) x)

rewrite37.0ms

Algorithm
rewrite-expression-head
Rules
35×add-sqr-sqrt
31×times-frac
30×*-un-lft-identity add-cube-cbrt
22×add-cbrt-cube
21×add-exp-log
13×associate-*l*
associate-/r*
cbrt-undiv div-exp associate-/l*
pow1
expm1-log1p-u prod-exp cbrt-unprod log1p-expm1-u div-inv add-log-exp
clear-num frac-2neg associate-*r*
associate-*l/ unswap-sqr
pow-prod-down *-commutative associate-/l/
Counts
4 → 118
Calls
4 calls:
4.0ms
(/ (fma 1/2 (exp x) (/ 1/2 (exp x))) z)
5.0ms
(/ 1/2 (exp x))
12.0ms
(* (/ (fma 1/2 (exp x) (/ 1/2 (exp x))) z) y)
12.0ms
(/ (* (/ (fma 1/2 (exp x) (/ 1/2 (exp x))) z) y) x)

series370.0ms

Counts
4 → 12
Calls
4 calls:
93.0ms
(/ (fma 1/2 (exp x) (/ 1/2 (exp x))) z)
18.0ms
(/ 1/2 (exp x))
120.0ms
(* (/ (fma 1/2 (exp x) (/ 1/2 (exp x))) z) y)
140.0ms
(/ (* (/ (fma 1/2 (exp x) (/ 1/2 (exp x))) z) y) x)

simplify2.2s

Counts
130 → 130
Iterations
IterNodes
done5000
21670
1470
0208

prune907.0ms

Pruning

7 alts after pruning (5 fresh and 2 done)

Merged error: 0b

localize37.0ms

Local error

Found 4 expressions with local error:

0.0b
(fma 1/2 (exp x) (/ 1/2 (exp x)))
0.0b
(/ (fma 1/2 (exp x) (/ 1/2 (exp x))) z)
0.0b
(/ 1/2 (exp x))
6.6b
(/ (/ (fma 1/2 (exp x) (/ 1/2 (exp x))) z) (/ x y))

rewrite82.0ms

Algorithm
rewrite-expression-head
Rules
439×times-frac
216×add-sqr-sqrt *-un-lft-identity add-cube-cbrt
31×div-inv
20×add-cbrt-cube
19×associate-/r* add-exp-log associate-/l*
10×cbrt-undiv div-exp
expm1-log1p-u pow1 log1p-expm1-u add-log-exp
clear-num frac-2neg
associate-/r/ fma-udef associate-/l/
Counts
4 → 285
Calls
4 calls:
1.0ms
(fma 1/2 (exp x) (/ 1/2 (exp x)))
8.0ms
(/ (fma 1/2 (exp x) (/ 1/2 (exp x))) z)
10.0ms
(/ 1/2 (exp x))
29.0ms
(/ (/ (fma 1/2 (exp x) (/ 1/2 (exp x))) z) (/ x y))

series385.0ms

Counts
4 → 12
Calls
4 calls:
78.0ms
(fma 1/2 (exp x) (/ 1/2 (exp x)))
117.0ms
(/ (fma 1/2 (exp x) (/ 1/2 (exp x))) z)
19.0ms
(/ 1/2 (exp x))
171.0ms
(/ (/ (fma 1/2 (exp x) (/ 1/2 (exp x))) z) (/ x y))

simplify2.0s

Counts
297 → 297
Iterations
IterNodes
done5000
11540
0524

prune2.2s

Pruning

5 alts after pruning (4 fresh and 1 done)

Merged error: 0b

regimes235.0ms

Accuracy

93.7% (0.4b remaining)

Error of 0.5b against oracle of 0.1b and baseline of 6.9b

bsearch170.0ms

Steps
ItersRangePoint
8
2.2109201577283574e+46
1.7322668861585903e+49
2.2322067363708056e+46
10
-9.52971775302429e-34
-1.0556828637573711e-50
-9.31808310867496e-34

simplify4.0ms

Iterations
IterNodes
done34
134
023

end0.0ms

sample2.1s

Algorithm
intervals
Results
1.4s22172×body80valid