Details

Time bar (total: 19.6s)

sample102.0ms

Algorithm
intervals
Results
54.0ms73×body10240exit
22.0ms273×body80valid
4.0msbody1280valid
3.0msbody320valid
2.0msbody640valid
1.0msbody160valid

simplify13.0ms

Counts
1 → 1
Iterations
IterNodes
319
219
112
08

prune6.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 0.3b

localize29.0ms

Local error

Found 3 expressions with local error:

0.0b
(+ 1 (exp x))
0.0b
(- (log (+ 1 (exp x))) (* x y))
0.3b
(log (+ 1 (exp x)))

rewrite44.0ms

Algorithm
rewrite-expression-head
Rules
11×*-un-lft-identity
log-prod
add-log-exp
add-sqr-sqrt add-cube-cbrt
pow1 log-div associate--l+ add-exp-log
flip3-+ add-cbrt-cube flip-+ insert-posit16 distribute-lft-out
associate--l-
+-commutative sum-log sub-neg flip3-- diff-log rem-log-exp log-pow flip--
Counts
3 → 48
Calls
3 calls:
5.0ms
(+ 1 (exp x))
31.0ms
(- (log (+ 1 (exp x))) (* x y))
8.0ms
(log (+ 1 (exp x)))

series141.0ms

Counts
3 → 9
Calls
3 calls:
13.0ms
(+ 1 (exp x))
65.0ms
(- (log (+ 1 (exp x))) (* x y))
62.0ms
(log (+ 1 (exp x)))

simplify1.6s

Counts
57 → 57
Iterations
IterNodes
43163
31087
2415
1189
084

prune473.0ms

Pruning

4 alts after pruning (4 fresh and 0 done)

Merged error: 0b

localize55.0ms

Local error

Found 4 expressions with local error:

0.7b
(* (* (cbrt (- (log (+ 1 (exp x))) (* x y))) (cbrt (- (log (+ 1 (exp x))) (* x y)))) (cbrt (- (log (+ 1 (exp x))) (* x y))))
1.0b
(cbrt (- (log (+ 1 (exp x))) (* x y)))
1.0b
(cbrt (- (log (+ 1 (exp x))) (* x y)))
1.0b
(cbrt (- (log (+ 1 (exp x))) (* x y)))

rewrite126.0ms

Algorithm
rewrite-expression-head
Rules
60×cbrt-div
30×flip3-- flip--
28×frac-times
23×pow1
14×associate-*l/
13×cbrt-prod
12×pow1/3
11×add-sqr-sqrt
*-un-lft-identity add-exp-log pow-prod-up add-cube-cbrt
associate-*r/
pow-plus associate-*r*
add-cbrt-cube pow-prod-down
insert-posit16 add-log-exp
prod-exp pow-sqr cbrt-unprod
pow2 unswap-sqr
associate-*l* pow3 *-commutative
Counts
4 → 104
Calls
4 calls:
104.0ms
(* (* (cbrt (- (log (+ 1 (exp x))) (* x y))) (cbrt (- (log (+ 1 (exp x))) (* x y)))) (cbrt (- (log (+ 1 (exp x))) (* x y))))
6.0ms
(cbrt (- (log (+ 1 (exp x))) (* x y)))
6.0ms
(cbrt (- (log (+ 1 (exp x))) (* x y)))
6.0ms
(cbrt (- (log (+ 1 (exp x))) (* x y)))

series1.6s

Counts
4 → 12
Calls
4 calls:
62.0ms
(* (* (cbrt (- (log (+ 1 (exp x))) (* x y))) (cbrt (- (log (+ 1 (exp x))) (* x y)))) (cbrt (- (log (+ 1 (exp x))) (* x y))))
358.0ms
(cbrt (- (log (+ 1 (exp x))) (* x y)))
416.0ms
(cbrt (- (log (+ 1 (exp x))) (* x y)))
757.0ms
(cbrt (- (log (+ 1 (exp x))) (* x y)))

simplify2.9s

Counts
116 → 116
Iterations
IterNodes
35744
21458
1451
0187

prune993.0ms

Pruning

4 alts after pruning (3 fresh and 1 done)

Merged error: 0b

localize67.0ms

Local error

Found 4 expressions with local error:

0.3b
(log (+ 1 (exp x)))
0.6b
(* (log (+ 1 (exp x))) (+ (* y x) (log (+ 1 (exp x)))))
0.7b
(* (log (+ 1 (exp x))) (log (+ 1 (exp x))))
14.4b
(/ (- (* (log (+ 1 (exp x))) (* (log (+ 1 (exp x))) (log (+ 1 (exp x))))) (* (* y x) (* (* y x) (* y x)))) (+ (* (* y x) (* y x)) (* (log (+ 1 (exp x))) (+ (* y x) (log (+ 1 (exp x)))))))

rewrite427.0ms

Algorithm
rewrite-expression-head
Rules
30×*-un-lft-identity
26×add-sqr-sqrt
22×add-cube-cbrt
21×pow1
12×log-prod times-frac
11×add-exp-log
10×add-cbrt-cube
cube-unmult associate-*l* log-pow
associate-*r*
swap-sqr
distribute-rgt-in distribute-lft-in
difference-cubes insert-posit16 associate-/l* add-log-exp
associate-/r* flip3-+ flip-+ distribute-lft-out
log-div pow-prod-down prod-exp associate-*r/ associate-/r/ *-commutative cbrt-unprod unswap-sqr associate-/l/
pow2 cbrt-undiv clear-num frac-2neg pow-plus flip3-- div-sub div-exp rem-log-exp pow-sqr pow-prod-up div-inv flip--
Counts
4 → 116
Calls
4 calls:
7.0ms
(log (+ 1 (exp x)))
40.0ms
(* (log (+ 1 (exp x))) (+ (* y x) (log (+ 1 (exp x)))))
23.0ms
(* (log (+ 1 (exp x))) (log (+ 1 (exp x))))
353.0ms
(/ (- (* (log (+ 1 (exp x))) (* (log (+ 1 (exp x))) (log (+ 1 (exp x))))) (* (* y x) (* (* y x) (* y x)))) (+ (* (* y x) (* y x)) (* (log (+ 1 (exp x))) (+ (* y x) (log (+ 1 (exp x)))))))

series561.0ms

Counts
4 → 12
Calls
4 calls:
84.0ms
(log (+ 1 (exp x)))
149.0ms
(* (log (+ 1 (exp x))) (+ (* y x) (log (+ 1 (exp x)))))
87.0ms
(* (log (+ 1 (exp x))) (log (+ 1 (exp x))))
241.0ms
(/ (- (* (log (+ 1 (exp x))) (* (log (+ 1 (exp x))) (log (+ 1 (exp x))))) (* (* y x) (* (* y x) (* y x)))) (+ (* (* y x) (* y x)) (* (log (+ 1 (exp x))) (+ (* y x) (log (+ 1 (exp x)))))))

simplify933.0ms

Counts
128 → 128
Iterations
IterNodes
22082
1551
0200

prune1.3s

Pruning

4 alts after pruning (2 fresh and 2 done)

Merged error: 0b

localize20.0ms

Local error

Found 3 expressions with local error:

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

rewrite100.0ms

Algorithm
rewrite-expression-head
Rules
add-sqr-sqrt add-log-exp
*-un-lft-identity add-cube-cbrt
pow1 add-cbrt-cube add-exp-log
associate-+r+ log-prod associate-*r* associate-*l* insert-posit16
distribute-rgt-in associate-+l+ sum-log distribute-lft-in flip3-+ diff-log associate-*r/ flip-+
+-commutative sub-neg flip3-- pow-prod-down prod-exp associate--l+ *-commutative cbrt-unprod flip-- unswap-sqr
Counts
3 → 55
Calls
3 calls:
11.0ms
(* x (+ 1/2 (* x 1/8)))
10.0ms
(+ (* x (+ 1/2 (* x 1/8))) (log 2))
78.0ms
(- (+ (* x (+ 1/2 (* x 1/8))) (log 2)) (* x y))

series217.0ms

Counts
3 → 9
Calls
3 calls:
87.0ms
(* x (+ 1/2 (* x 1/8)))
56.0ms
(+ (* x (+ 1/2 (* x 1/8))) (log 2))
75.0ms
(- (+ (* x (+ 1/2 (* x 1/8))) (log 2)) (* x y))

simplify2.7s

Counts
64 → 64
Iterations
IterNodes
35750
21038
1301
0109

prune522.0ms

Pruning

4 alts after pruning (1 fresh and 3 done)

Merged error: 0b

regimes216.0ms

Accuracy

91.9% (0.1b remaining)

Error of 0.4b against oracle of 0.2b and baseline of 2.0b

bsearch48.0ms

Steps
ItersRangePoint
7
-1.3763288755158523
-0.006947246361207331
-0.00706318010460099

simplify8.0ms

Iterations
IterNodes
229
129
024

end0.0ms

sample4.4s

Algorithm
intervals
Results
2.9s2387×body10240exit
854.0ms8436×body80valid
179.0ms262×body640valid
95.0ms98×body1280valid
62.0ms180×body320valid
53.0ms116×body160valid