Details

Time bar (total: 16.7s)

sample101.0ms

Algorithm
intervals
Results
35.0ms48×body2560valid
16.0ms42×body1280valid
15.0ms52×body640valid
12.0ms68×body80valid
5.0ms27×body320valid
3.0ms19×body160valid

simplify24.0ms

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: 31.6b

localize19.0ms

Local error

Found 2 expressions with local error:

2.1b
(- 1.0 (cos x))
15.1b
(/ (- 1.0 (cos x)) (* x x))

rewrite49.0ms

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))
26.0ms
(/ (- 1.0 (cos x)) (* x x))

series114.0ms

Counts
2 → 6
Calls
2 calls:
32.0ms
(- 1.0 (cos x))
82.0ms
(/ (- 1.0 (cos x)) (* x x))

simplify982.0ms

Counts
64 → 64
Iterations
IterNodes
done5001
21734
1301
0116

prune375.0ms

Pruning

10 alts after pruning (10 fresh and 0 done)

Merged error: 0.1b

localize21.0ms

Local error

Found 3 expressions with local error:

0.1b
(/ (/ (- 1.0 (cos x)) x) x)
0.1b
(/ (- 1.0 (cos x)) x)
2.1b
(- 1.0 (cos x))

rewrite60.0ms

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:
23.0ms
(/ (/ (- 1.0 (cos x)) x) x)
15.0ms
(/ (- 1.0 (cos x)) x)
7.0ms
(- 1.0 (cos x))

series166.0ms

Counts
3 → 9
Calls
3 calls:
59.0ms
(/ (/ (- 1.0 (cos x)) x) x)
67.0ms
(/ (- 1.0 (cos x)) x)
40.0ms
(- 1.0 (cos x))

simplify1.5s

Counts
174 → 174
Iterations
IterNodes
done5000
22993
1621
0259

prune727.0ms

Pruning

10 alts after pruning (10 fresh and 0 done)

Merged error: 0.1b

localize49.0ms

Local error

Found 4 expressions with local error:

0.4b
(pow (cos x) 3)
0.4b
(/ (- (pow 1.0 3) (pow (cos x) 3)) (* (fma (cos x) (+ 1.0 (cos x)) (* 1.0 1.0)) x))
0.5b
(+ 1.0 (cos x))
1.9b
(- (pow 1.0 3) (pow (cos x) 3))

rewrite186.0ms

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:
4.0ms
(pow (cos x) 3)
124.0ms
(/ (- (pow 1.0 3) (pow (cos x) 3)) (* (fma (cos x) (+ 1.0 (cos x)) (* 1.0 1.0)) x))
10.0ms
(+ 1.0 (cos x))
33.0ms
(- (pow 1.0 3) (pow (cos x) 3))

series342.0ms

Counts
4 → 12
Calls
4 calls:
44.0ms
(pow (cos x) 3)
232.0ms
(/ (- (pow 1.0 3) (pow (cos x) 3)) (* (fma (cos x) (+ 1.0 (cos x)) (* 1.0 1.0)) x))
12.0ms
(+ 1.0 (cos x))
54.0ms
(- (pow 1.0 3) (pow (cos x) 3))

simplify2.6s

Counts
316 → 316
Iterations
IterNodes
done5000
24529
1865
0337

prune993.0ms

Pruning

12 alts after pruning (11 fresh and 1 done)

Merged error: 0.0b

localize59.0ms

Local error

Found 4 expressions with local error:

0.4b
(/ (log (exp (- (pow 1.0 3) (pow (cos x) 3)))) (* (fma (cos x) (+ 1.0 (cos x)) (* 1.0 1.0)) x))
0.5b
(+ 1.0 (cos x))
1.9b
(- (pow 1.0 3) (pow (cos x) 3))
2.0b
(log (exp (- (pow 1.0 3) (pow (cos x) 3))))

rewrite463.0ms

Algorithm
rewrite-expression-head
Rules
288×prod-diff
254×add-sqr-sqrt
200×*-un-lft-identity
195×unpow-prod-down cube-prod
158×add-cube-cbrt
149×log-prod
146×exp-sum
81×sqr-pow
78×log-pow
75×exp-prod
64×difference-of-squares
49×cube-mult unpow3
29×times-frac associate-/l*
20×distribute-lft-out--
12×fma-neg
add-cbrt-cube add-exp-log
add-log-exp
pow1
expm1-log1p-u difference-cubes log1p-expm1-u
fma-def
cbrt-undiv log-div sub-neg exp-diff div-exp
+-commutative clear-num associate-/r* sum-log frac-2neg flip3-+ flip3-- diff-log div-sub rem-log-exp prod-exp cbrt-unprod flip-+ div-inv flip-- distribute-lft-out
Counts
4 → 471
Calls
4 calls:
283.0ms
(/ (log (exp (- (pow 1.0 3) (pow (cos x) 3)))) (* (fma (cos x) (+ 1.0 (cos x)) (* 1.0 1.0)) x))
8.0ms
(+ 1.0 (cos x))
31.0ms
(- (pow 1.0 3) (pow (cos x) 3))
105.0ms
(log (exp (- (pow 1.0 3) (pow (cos x) 3))))

series432.0ms

Counts
4 → 12
Calls
4 calls:
248.0ms
(/ (log (exp (- (pow 1.0 3) (pow (cos x) 3)))) (* (fma (cos x) (+ 1.0 (cos x)) (* 1.0 1.0)) x))
12.0ms
(+ 1.0 (cos x))
85.0ms
(- (pow 1.0 3) (pow (cos x) 3))
86.0ms
(log (exp (- (pow 1.0 3) (pow (cos x) 3))))

simplify2.5s

Counts
483 → 483
Iterations
IterNodes
done5000
24220
11043
0559

prune1.1s

Pruning

10 alts after pruning (9 fresh and 1 done)

Merged error: 0.0b

regimes104.0ms

Accuracy

99% (0.3b remaining)

Error of 0.4b against oracle of 0.1b and baseline of 30.7b

bsearch92.0ms

Steps
ItersRangePoint
9
5.1798647897020696e-05
160.65039477392645
0.033302914266201536
8
-0.9341403346610884
-0.003292329160956242
-0.03305631426271166

simplify8.0ms

Iterations
IterNodes
done39
139
035

end0.0ms

sample3.6s

Algorithm
intervals
Results
1.5s1623×body2560valid
672.0ms923×body320valid
600.0ms1237×body1280valid
464.0ms1505×body640valid
176.0ms2205×body80valid
67.0ms507×body160valid