Details

Time bar (total: 17.4s)

sample92.0ms

Algorithm
intervals
Results
39.0ms51×body2560valid
12.0ms35×body1280valid
11.0ms42×body640valid
7.0ms36×body320valid
7.0ms77×body80valid
2.0ms15×body160valid

simplify28.0ms

Counts
1 → 1
Iterations
IterNodes
done28
428
326
221
113
06

prune7.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 29.4b

localize19.0ms

Local error

Found 2 expressions with local error:

1.4b
(- 1.0 (cos x))
15.6b
(/ (- 1.0 (cos x)) (* x x))

rewrite52.0ms

Algorithm
rewrite-expression-head
Rules
17×add-sqr-sqrt *-un-lft-identity
11×add-cube-cbrt
prod-diff
add-cbrt-cube add-exp-log
times-frac associate-/l*
add-log-exp
fma-neg distribute-lft-out-- difference-of-squares
expm1-log1p-u pow1 cbrt-undiv flip3-- div-exp log1p-expm1-u flip-- associate-/l/
clear-num associate-/r* sub-neg frac-2neg diff-log div-sub prod-exp cbrt-unprod div-inv
Counts
2 → 58
Calls
2 calls:
6.0ms
(- 1.0 (cos x))
21.0ms
(/ (- 1.0 (cos x)) (* x x))

series100.0ms

Counts
2 → 6
Calls
2 calls:
20.0ms
(- 1.0 (cos x))
80.0ms
(/ (- 1.0 (cos x)) (* x x))

simplify2.5s

Counts
64 → 64
Iterations
IterNodes
done5000
34103
2936
1290
0116

prune297.0ms

Pruning

8 alts after pruning (8 fresh and 0 done)

Merged error: 0.1b

localize19.0ms

Local error

Found 3 expressions with local error:

0.1b
(/ (/ (- 1.0 (cos x)) x) x)
0.1b
(/ (- 1.0 (cos x)) x)
1.4b
(- 1.0 (cos x))

rewrite53.0ms

Algorithm
rewrite-expression-head
Rules
132×times-frac
110×add-sqr-sqrt *-un-lft-identity
76×add-cube-cbrt
24×associate-/l*
17×distribute-lft-out-- difference-of-squares
10×add-cbrt-cube add-exp-log
prod-diff
associate-/r* div-inv
add-log-exp
cbrt-undiv div-exp
expm1-log1p-u pow1 fma-neg div-sub log1p-expm1-u associate-/l/
clear-num frac-2neg flip3-- flip--
sub-neg diff-log
Counts
3 → 165
Calls
3 calls:
27.0ms
(/ (/ (- 1.0 (cos x)) x) x)
14.0ms
(/ (- 1.0 (cos x)) x)
6.0ms
(- 1.0 (cos x))

series166.0ms

Counts
3 → 9
Calls
3 calls:
68.0ms
(/ (/ (- 1.0 (cos x)) x) x)
60.0ms
(/ (- 1.0 (cos x)) x)
37.0ms
(- 1.0 (cos x))

simplify1.9s

Counts
174 → 174
Iterations
IterNodes
done5003
21582
1604
0259

prune869.0ms

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 0.1b

localize44.0ms

Local error

Found 4 expressions with local error:

0.2b
(/ (- (pow 1.0 3) (pow (cos x) 3)) (* (fma (+ 1.0 (cos x)) (cos x) (* 1.0 1.0)) x))
0.4b
(pow (cos x) 3)
0.5b
(+ 1.0 (cos x))
1.2b
(- (pow 1.0 3) (pow (cos x) 3))

rewrite143.0ms

Algorithm
rewrite-expression-head
Rules
157×add-sqr-sqrt
144×prod-diff
117×*-un-lft-identity
114×unpow-prod-down cube-prod
85×add-cube-cbrt
50×sqr-pow
48×difference-of-squares
26×cube-mult unpow3
25×times-frac associate-/l*
15×distribute-lft-out--
12×fma-neg
10×add-cbrt-cube add-exp-log
add-log-exp
pow1
expm1-log1p-u log1p-expm1-u
difference-cubes pow-unpow fma-def
cbrt-undiv flip3-- div-exp flip-- associate-/l/
pow-to-exp +-commutative clear-num associate-/r* sum-log sub-neg pow-pow frac-2neg flip3-+ diff-log div-sub pow-exp prod-exp cbrt-unprod flip-+ div-inv distribute-lft-out rem-cube-cbrt
Counts
4 → 304
Calls
4 calls:
92.0ms
(/ (- (pow 1.0 3) (pow (cos x) 3)) (* (fma (+ 1.0 (cos x)) (cos x) (* 1.0 1.0)) x))
3.0ms
(pow (cos x) 3)
5.0ms
(+ 1.0 (cos x))
31.0ms
(- (pow 1.0 3) (pow (cos x) 3))

series372.0ms

Counts
4 → 12
Calls
4 calls:
244.0ms
(/ (- (pow 1.0 3) (pow (cos x) 3)) (* (fma (+ 1.0 (cos x)) (cos x) (* 1.0 1.0)) x))
43.0ms
(pow (cos x) 3)
14.0ms
(+ 1.0 (cos x))
70.0ms
(- (pow 1.0 3) (pow (cos x) 3))

simplify2.2s

Counts
316 → 316
Iterations
IterNodes
done5024
22541
1853
0337

prune1.0s

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 0.0b

localize63.0ms

Local error

Found 4 expressions with local error:

0.3b
(* (cos x) (cos x))
0.5b
(+ 1.0 (cos x))
1.2b
(- (* 1.0 (* 1.0 1.0)) (* (* (cos x) (cos x)) (cos x)))
1.3b
(log (exp (- (* 1.0 (* 1.0 1.0)) (* (* (cos x) (cos x)) (cos x)))))

rewrite181.0ms

Algorithm
rewrite-expression-head
Rules
13×add-sqr-sqrt *-un-lft-identity
12×pow1
11×add-cube-cbrt
add-log-exp
log-prod add-cbrt-cube add-exp-log
log-pow
expm1-log1p-u exp-prod log1p-expm1-u
fma-def swap-sqr associate-*r* associate-*l* exp-sum
difference-cubes sub-neg cube-unmult prod-diff pow3
pow2 +-commutative log-div sqr-cos sum-log flip3-+ pow-plus flip3-- exp-diff fma-neg diff-log rem-log-exp pow-prod-down prod-exp pow-sqr cos-mult *-commutative pow-prod-up cbrt-unprod flip-+ flip-- distribute-lft-out unswap-sqr
Counts
4 → 85
Calls
4 calls:
14.0ms
(* (cos x) (cos x))
5.0ms
(+ 1.0 (cos x))
33.0ms
(- (* 1.0 (* 1.0 1.0)) (* (* (cos x) (cos x)) (cos x)))
126.0ms
(log (exp (- (* 1.0 (* 1.0 1.0)) (* (* (cos x) (cos x)) (cos x)))))

series174.0ms

Counts
4 → 12
Calls
4 calls:
18.0ms
(* (cos x) (cos x))
20.0ms
(+ 1.0 (cos x))
70.0ms
(- (* 1.0 (* 1.0 1.0)) (* (* (cos x) (cos x)) (cos x)))
67.0ms
(log (exp (- (* 1.0 (* 1.0 1.0)) (* (* (cos x) (cos x)) (cos x)))))

simplify2.9s

Counts
97 → 97
Iterations
IterNodes
done5001
33483
21136
1362
0154

prune539.0ms

Pruning

8 alts after pruning (8 fresh and 0 done)

Merged error: 0.0b

regimes153.0ms

Accuracy

99.4% (0.2b remaining)

Error of 0.3b against oracle of 0.1b and baseline of 30.5b

bsearch103.0ms

Steps
ItersRangePoint
8
0.0004390994911134099
0.778402845272117
0.03641414739962237
9
-0.1501579911863904
-8.136897775944376e-09
-0.031614486696612494

simplify15.0ms

Iterations
IterNodes
done48
148
040

end0.0ms

sample3.4s

Algorithm
intervals
Results
1.4s1552×body2560valid
947.0ms1275×body1280valid
420.0ms1411×body640valid
187.0ms2308×body80valid
180.0ms956×body320valid
68.0ms498×body160valid