Details

Time bar (total: 27.0s)

sample127.0ms

Algorithm
intervals
Results
64.0ms76×body1280valid
28.0ms50×body640valid
10.0ms15×body2560valid
7.0ms24×body320valid
6.0ms71×body80valid
3.0ms20×body160valid

simplify3.0ms

Counts
1 → 1
Iterations
IterNodes
29
19
07

prune5.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 52.6b

localize20.0ms

Local error

Found 3 expressions with local error:

1.6b
(+ x (sqrt (+ (* x x) 1)))
3.8b
(log (+ x (sqrt (+ (* x x) 1))))
14.0b
(sqrt (+ (* x x) 1))

rewrite57.0ms

Algorithm
rewrite-expression-head
Rules
*-un-lft-identity
add-sqr-sqrt
pow1 add-cube-cbrt add-log-exp
log-prod add-exp-log
flip3-+ add-cbrt-cube sqrt-prod flip-+ insert-posit16
log-div sqrt-div distribute-lft-out
+-commutative rem-sqrt-square sum-log sqrt-pow1 pow1/2 rem-log-exp log-pow
Counts
3 → 45
Calls
3 calls:
38.0ms
(+ x (sqrt (+ (* x x) 1)))
11.0ms
(log (+ x (sqrt (+ (* x x) 1))))
7.0ms
(sqrt (+ (* x x) 1))

series281.0ms

Counts
3 → 9
Calls
3 calls:
86.0ms
(+ x (sqrt (+ (* x x) 1)))
152.0ms
(log (+ x (sqrt (+ (* x x) 1))))
43.0ms
(sqrt (+ (* x x) 1))

simplify1.7s

Counts
54 → 54
Iterations
IterNodes
43922
31654
2660
1271
0121

prune610.0ms

Pruning

4 alts after pruning (4 fresh and 0 done)

Merged error: 0.0b

localize21.0ms

Local error

Found 4 expressions with local error:

0.1b
(* (* x x) x)
0.1b
(* (* x x) x)
0.1b
(* -1/6 (* (* x x) x))
17.2b
(+ (* -1/6 (* (* x x) x)) (* 3/40 (* (* x x) (* (* x x) x))))

rewrite188.0ms

Algorithm
rewrite-expression-head
Rules
51×pow1
23×add-cbrt-cube add-exp-log
12×pow-plus pow-prod-down prod-exp pow-prod-up cbrt-unprod
add-sqr-sqrt
*-un-lft-identity associate-*r* add-cube-cbrt
add-log-exp
associate-*l*
pow2 pow-sqr insert-posit16
*-commutative
pow3 unswap-sqr
+-commutative sum-log flip3-+ flip-+
Counts
4 → 92
Calls
4 calls:
29.0ms
(* (* x x) x)
31.0ms
(* (* x x) x)
43.0ms
(* -1/6 (* (* x x) x))
82.0ms
(+ (* -1/6 (* (* x x) x)) (* 3/40 (* (* x x) (* (* x x) x))))

series403.0ms

Counts
4 → 12
Calls
4 calls:
52.0ms
(* (* x x) x)
65.0ms
(* (* x x) x)
53.0ms
(* -1/6 (* (* x x) x))
233.0ms
(+ (* -1/6 (* (* x x) x)) (* 3/40 (* (* x x) (* (* x x) x))))

simplify2.8s

Counts
104 → 104
Iterations
IterNodes
35081
2907
1256
088

prune688.0ms

Pruning

4 alts after pruning (3 fresh and 1 done)

Merged error: 0.0b

localize44.0ms

Local error

Found 4 expressions with local error:

0.0b
(- (/ (/ 1/8 x) (* x x)) (+ x x))
0.0b
(- (/ 1/2 x) (- (/ (/ 1/8 x) (* x x)) (+ x x)))
0.1b
(/ (/ 1/8 x) (* x x))
10.7b
(log (- (/ 1/2 x) (- (/ (/ 1/8 x) (* x x)) (+ x x))))

rewrite235.0ms

Algorithm
rewrite-expression-head
Rules
42×*-un-lft-identity
36×add-sqr-sqrt times-frac
19×add-cube-cbrt
18×add-log-exp
17×add-exp-log
16×add-cbrt-cube
14×frac-sub
13×associate-/l*
12×distribute-lft-out--
log-prod
diff-log difference-of-squares
cbrt-undiv log-div div-exp
pow1 flip3-- flip--
insert-posit16
sub-neg flip3-+ flip-+ div-inv distribute-lft-out associate--r+
sum-log prod-exp cbrt-unprod
clear-num associate-/r* frac-2neg rem-log-exp log-pow associate--r- associate-/l/
Counts
4 → 120
Calls
4 calls:
49.0ms
(- (/ (/ 1/8 x) (* x x)) (+ x x))
96.0ms
(- (/ 1/2 x) (- (/ (/ 1/8 x) (* x x)) (+ x x)))
10.0ms
(/ (/ 1/8 x) (* x x))
79.0ms
(log (- (/ 1/2 x) (- (/ (/ 1/8 x) (* x x)) (+ x x))))

series402.0ms

Counts
4 → 12
Calls
4 calls:
125.0ms
(- (/ (/ 1/8 x) (* x x)) (+ x x))
58.0ms
(- (/ 1/2 x) (- (/ (/ 1/8 x) (* x x)) (+ x x)))
69.0ms
(/ (/ 1/8 x) (* x x))
150.0ms
(log (- (/ 1/2 x) (- (/ (/ 1/8 x) (* x x)) (+ x x))))

simplify11.6s

Counts
132 → 132
Iterations
IterNodes
38868
21891
1660
0263

prune843.0ms

Pruning

4 alts after pruning (2 fresh and 2 done)

Merged error: 0.0b

localize45.0ms

Local error

Found 4 expressions with local error:

0.1b
(/ (/ 1/8 x) (* x x))
0.1b
(* (* x x) x)
12.4b
(log (+ (- (/ (/ 1/8 x) (* x x)) (/ 1/2 x)) (/ -1/16 (* (* x x) (* (* x x) x)))))
18.8b
(+ (- (/ (/ 1/8 x) (* x x)) (/ 1/2 x)) (/ -1/16 (* (* x x) (* (* x x) x))))

rewrite330.0ms

Algorithm
rewrite-expression-head
Rules
31×times-frac
30×*-un-lft-identity
24×pow1
22×add-exp-log
21×add-sqr-sqrt add-cbrt-cube
20×add-cube-cbrt
13×associate-/l*
add-log-exp
cbrt-undiv pow-plus div-exp frac-add pow-prod-up
log-div log-prod prod-exp cbrt-unprod
insert-posit16 distribute-lft-out
associate-*r* pow-prod-down div-inv
pow2 associate-+l+ sum-log flip3-+ flip3-- pow-sqr frac-sub flip-+ flip-- distribute-lft-out--
+-commutative clear-num associate-/r* sub-neg frac-2neg diff-log rem-log-exp associate-*l* pow3 log-pow *-commutative associate-+l- unswap-sqr associate-/l/
Counts
4 → 117
Calls
4 calls:
10.0ms
(/ (/ 1/8 x) (* x x))
15.0ms
(* (* x x) x)
117.0ms
(log (+ (- (/ (/ 1/8 x) (* x x)) (/ 1/2 x)) (/ -1/16 (* (* x x) (* (* x x) x)))))
186.0ms
(+ (- (/ (/ 1/8 x) (* x x)) (/ 1/2 x)) (/ -1/16 (* (* x x) (* (* x x) x))))

series350.0ms

Counts
4 → 12
Calls
4 calls:
70.0ms
(/ (/ 1/8 x) (* x x))
44.0ms
(* (* x x) x)
166.0ms
(log (+ (- (/ (/ 1/8 x) (* x x)) (/ 1/2 x)) (/ -1/16 (* (* x x) (* (* x x) x)))))
70.0ms
(+ (- (/ (/ 1/8 x) (* x x)) (/ 1/2 x)) (/ -1/16 (* (* x x) (* (* x x) x))))

simplify804.0ms

Counts
129 → 129
Iterations
IterNodes
22025
1623
0242

prune994.0ms

Pruning

4 alts after pruning (1 fresh and 3 done)

Merged error: 0.0b

regimes35.0ms

Accuracy

99.4% (0.2b remaining)

Error of 0.2b against oracle of 0.0b and baseline of 31.2b

bsearch121.0ms

Steps
ItersRangePoint
8
0.0042870261776910435
186.95626557948964
0.9645338519110289
9
-24078.920296370652
-0.35383103211093586
-1.061520745717705

simplify7.0ms

Iterations
IterNodes
237
137
030

end0.0ms

sample4.3s

Algorithm
intervals
Results
1.9s2354×body1280valid
844.0ms1532×body640valid
535.0ms784×body2560valid
519.0ms2135×body80valid
292.0ms784×body320valid
98.0ms411×body160valid