Details

Time bar (total: 17.5s)

sample145.0ms

Algorithm
intervals
Results
94.0ms181×body1280valid
13.0ms43×body640valid
11.0ms251×body80valid
3.0ms17×body320valid
1.0ms10×body160valid

simplify2.6s

Counts
1 → 1
Iterations
IterNodes
done5000
102899
9809
8249
788
671
562
456
340
226
114
07

prune19.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 29.9b

localize22.0ms

Local error

Found 3 expressions with local error:

0.0b
(- (exp x) 2.0)
0.0b
(/ -1 (exp x))
3.4b
(- (- (exp x) 2.0) (/ -1 (exp x)))

rewrite120.0ms

Algorithm
rewrite-expression-head
Rules
18×add-sqr-sqrt *-un-lft-identity
11×add-cube-cbrt
10×times-frac add-log-exp
add-cbrt-cube
diff-log add-exp-log distribute-lft-out--
pow1 associate-/r* sub-neg flip3-- flip-- associate-/l* difference-of-squares
associate--l+ frac-sub
associate--l- cbrt-undiv clear-num frac-2neg div-exp div-inv
Counts
3 → 63
Calls
3 calls:
8.0ms
(- (exp x) 2.0)
5.0ms
(/ -1 (exp x))
105.0ms
(- (- (exp x) 2.0) (/ -1 (exp x)))

series127.0ms

Counts
3 → 9
Calls
3 calls:
20.0ms
(- (exp x) 2.0)
21.0ms
(/ -1 (exp x))
85.0ms
(- (- (exp x) 2.0) (/ -1 (exp x)))

simplify2.0s

Counts
72 → 72
Iterations
IterNodes
done5000
33945
2765
1275
0129

prune382.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 0.0b

localize45.0ms

Local error

Found 4 expressions with local error:

0.1b
(* (* x (* x x)) 1/360)
0.1b
(* x (* x x))
0.1b
(* x (* x x))
0.2b
(* (* x x) 1/12)

rewrite133.0ms

Algorithm
rewrite-expression-head
Rules
46×pow1
28×add-cbrt-cube add-exp-log
15×pow-prod-down prod-exp cbrt-unprod
11×add-sqr-sqrt
10×pow-prod-up
*-un-lft-identity associate-*r* associate-*l* add-cube-cbrt
*-commutative add-log-exp
unswap-sqr
pow2 pow-plus cube-unmult pow-sqr
Counts
4 → 88
Calls
4 calls:
77.0ms
(* (* x (* x x)) 1/360)
17.0ms
(* x (* x x))
17.0ms
(* x (* x x))
17.0ms
(* (* x x) 1/12)

series200.0ms

Counts
4 → 12
Calls
4 calls:
61.0ms
(* (* x (* x x)) 1/360)
36.0ms
(* x (* x x))
50.0ms
(* x (* x x))
53.0ms
(* (* x x) 1/12)

simplify2.4s

Counts
100 → 100
Iterations
IterNodes
done5001
22251
1253
087

prune416.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 0.0b

localize62.0ms

Local error

Found 4 expressions with local error:

0.1b
(* x (* x x))
0.1b
(* x (* x x))
0.2b
(* (* x x) 1/12)
3.3b
(log (exp (* (* x x) 1/12)))

rewrite80.0ms

Algorithm
rewrite-expression-head
Rules
38×pow1
19×add-cbrt-cube add-exp-log
11×add-sqr-sqrt
10×pow-prod-up
pow-prod-down prod-exp cbrt-unprod
*-un-lft-identity add-cube-cbrt
associate-*l*
associate-*r* add-log-exp
log-prod log-pow *-commutative unswap-sqr
pow2 pow-plus cube-unmult pow-sqr
exp-prod exp-to-pow rem-log-exp
Counts
4 → 81
Calls
4 calls:
14.0ms
(* x (* x x))
29.0ms
(* x (* x x))
29.0ms
(* (* x x) 1/12)
6.0ms
(log (exp (* (* x x) 1/12)))

series181.0ms

Counts
4 → 12
Calls
4 calls:
43.0ms
(* x (* x x))
60.0ms
(* x (* x x))
39.0ms
(* (* x x) 1/12)
39.0ms
(log (exp (* (* x x) 1/12)))

simplify1.8s

Counts
93 → 93
Iterations
IterNodes
done5001
21608
1195
078

prune374.0ms

Pruning

2 alts after pruning (1 fresh and 1 done)

Merged error: 0.0b

localize20.0ms

Local error

Found 2 expressions with local error:

0.0b
(- (exp x) 2.0)
4.4b
(+ (- (exp x) 2.0) (exp (- x)))

rewrite93.0ms

Algorithm
rewrite-expression-head
Rules
*-un-lft-identity add-log-exp
add-sqr-sqrt frac-add
flip3-- flip--
neg-sub0 exp-neg pow1 associate-+l+ sum-log sub-neg add-cbrt-cube exp-diff diff-log add-exp-log add-cube-cbrt distribute-lft-out distribute-lft-out--
+-commutative flip3-+ associate-+l- flip-+ difference-of-squares
Counts
2 → 35
Calls
2 calls:
14.0ms
(- (exp x) 2.0)
78.0ms
(+ (- (exp x) 2.0) (exp (- x)))

series92.0ms

Counts
2 → 6
Calls
2 calls:
24.0ms
(- (exp x) 2.0)
68.0ms
(+ (- (exp x) 2.0) (exp (- x)))

simplify949.0ms

Counts
41 → 41
Iterations
IterNodes
done5001
2825
1215
093

prune141.0ms

Pruning

2 alts after pruning (0 fresh and 2 done)

Merged error: 0.0b

regimes81.0ms

Accuracy

0% (0.5b remaining)

Error of 0.6b against oracle of 0.0b and baseline of 0.6b

bsearch0.0ms

simplify6.0ms

Iterations
IterNodes
done20
120
013

end0.0ms

sample5.1s

Algorithm
intervals
Results
3.6s5650×body1280valid
432.0ms8188×body80valid
340.0ms1220×body640valid
214.0ms636×body320valid
38.0ms333×body160valid