Details

Time bar (total: 3.2s)

sample41.0ms

Algorithm
intervals
Results
12.0ms66×body1280valid
9.0ms94×body10240exit
7.0ms65×body640valid
2.0ms89×body80valid
1.0ms22×body320valid
1.0ms14×body160valid

simplify4.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
074
184
284
done84

prune2.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 42.1b

localize4.0ms

Local error

Found 2 expressions with local error:

0.7b
(/ (exp x) (- (exp x) 1.0))
4.1b
(- (exp x) 1.0)

rewrite28.0ms

Algorithm
rewrite-expression-head
Rules
22×add-sqr-sqrt *-un-lft-identity
15×times-frac
12×add-cube-cbrt
associate-/r* distribute-lft-out-- difference-of-squares
add-cbrt-cube add-log-exp
add-exp-log associate-/l*
pow1 flip3-- associate-/r/ flip--
cbrt-undiv sub-neg frac-2neg diff-log div-exp clear-num div-inv
Counts
2 → 51
Calls
2 calls:
16.0ms
(/ (exp x) (- (exp x) 1.0))
10.0ms
(- (exp x) 1.0)

series45.0ms

Counts
2 → 6
Calls
2 calls:
27.0ms
(/ (exp x) (- (exp x) 1.0))
18.0ms
(- (exp x) 1.0)

simplify66.0ms

Counts
57 → 57
Iterations

Useful iterations: 2 (14.0ms)

IterNodesCost
0180378
1542357
22210354
35001354
done5001354

prune123.0ms

Pruning

5 alts after pruning (5 fresh and 0 done)

Merged error: 0.0b

localize10.0ms

Local error

Found 4 expressions with local error:

0.0b
(+ (* x 1/6) 1/2)
0.0b
(+ (* (pow x 2) (+ (* x 1/6) 1/2)) x)
0.1b
(* (pow x 2) (+ (* x 1/6) 1/2))
0.3b
(* x 1/6)

rewrite62.0ms

Algorithm
rewrite-expression-head
Rules
17×add-sqr-sqrt
11×add-exp-log associate-*l*
add-cube-cbrt *-un-lft-identity
add-cbrt-cube add-log-exp
pow1 associate-*r*
unswap-sqr
unpow-prod-down prod-exp
flip3-+ flip-+
+-commutative distribute-rgt-in associate-+l+ distribute-lft-in associate-*r/ sum-log *-commutative cbrt-unprod unpow2 sqr-pow
pow-to-exp pow-prod-down pow-exp
Counts
4 → 73
Calls
4 calls:
7.0ms
(+ (* x 1/6) 1/2)
14.0ms
(+ (* (pow x 2) (+ (* x 1/6) 1/2)) x)
32.0ms
(* (pow x 2) (+ (* x 1/6) 1/2))
7.0ms
(* x 1/6)

series146.0ms

Counts
4 → 12
Calls
4 calls:
31.0ms
(+ (* x 1/6) 1/2)
33.0ms
(+ (* (pow x 2) (+ (* x 1/6) 1/2)) x)
64.0ms
(* (pow x 2) (+ (* x 1/6) 1/2))
18.0ms
(* x 1/6)

simplify54.0ms

Counts
85 → 85
Iterations

Useful iterations: 2 (48.0ms)

IterNodesCost
0331410
11671376
25001375
done5001375

prune181.0ms

Pruning

5 alts after pruning (4 fresh and 1 done)

Merged error: 0.0b

localize6.0ms

Local error

Found 3 expressions with local error:

0.0b
(+ 1/2 (+ (* 1/12 x) (/ 1 x)))
0.0b
(+ (* 1/12 x) (/ 1 x))
0.3b
(* 1/12 x)

rewrite50.0ms

Algorithm
rewrite-expression-head
Rules
10×add-log-exp
add-sqr-sqrt *-un-lft-identity
pow1 add-exp-log add-cube-cbrt add-cbrt-cube
sum-log
associate-*r* associate-*l*
+-commutative flip3-+ flip-+
associate-+r+ pow-prod-down prod-exp *-commutative cbrt-unprod distribute-lft-out unswap-sqr
Counts
3 → 43
Calls
3 calls:
31.0ms
(+ 1/2 (+ (* 1/12 x) (/ 1 x)))
11.0ms
(+ (* 1/12 x) (/ 1 x))
7.0ms
(* 1/12 x)

series70.0ms

Counts
3 → 9
Calls
3 calls:
15.0ms
(+ 1/2 (+ (* 1/12 x) (/ 1 x)))
40.0ms
(+ (* 1/12 x) (/ 1 x))
15.0ms
(* 1/12 x)

simplify106.0ms

Counts
52 → 52
Iterations

Useful iterations: 2 (25.0ms)

IterNodesCost
0200216
1705205
23820204
35002204
done5002204

prune83.0ms

Pruning

5 alts after pruning (4 fresh and 1 done)

Merged error: 0.0b

localize12.0ms

Local error

Found 4 expressions with local error:

0.2b
(/ (- (/ 1 x)) x)
0.3b
(* 1/12 x)
0.4b
(* 1/144 (* x x))
28.0b
(/ (+ (/ (- (/ 1 x)) x) (* 1/144 (* x x))) (- (* 1/12 x) (/ 1 x)))

rewrite239.0ms

Algorithm
rewrite-expression-head
Rules
171×times-frac
109×add-sqr-sqrt
106×add-cube-cbrt *-un-lft-identity
52×distribute-lft-neg-in distribute-rgt-neg-in
33×associate-/l*
15×add-exp-log add-cbrt-cube
11×pow1
10×div-inv
associate-*l* associate-/r*
neg-mul-1 associate-*r* pow-prod-down prod-exp cbrt-unprod add-log-exp
div-sub associate-/l/
cbrt-undiv neg-sub0 frac-2neg div-exp clear-num associate-/r/ *-commutative unswap-sqr
associate-+l- flip3-- flip3-+ distribute-frac-neg flip-- flip-+ distribute-neg-frac
Counts
4 → 207
Calls
4 calls:
16.0ms
(/ (- (/ 1 x)) x)
6.0ms
(* 1/12 x)
16.0ms
(* 1/144 (* x x))
191.0ms
(/ (+ (/ (- (/ 1 x)) x) (* 1/144 (* x x))) (- (* 1/12 x) (/ 1 x)))

series204.0ms

Counts
4 → 12
Calls
4 calls:
25.0ms
(/ (- (/ 1 x)) x)
19.0ms
(* 1/12 x)
24.0ms
(* 1/144 (* x x))
136.0ms
(/ (+ (/ (- (/ 1 x)) x) (* 1/144 (* x x))) (- (* 1/12 x) (/ 1 x)))

simplify68.0ms

Counts
219 → 219
Iterations

Useful iterations: 2 (52.0ms)

IterNodesCost
07931693
129001445
250011417
done50011417

prune367.0ms

Pruning

5 alts after pruning (3 fresh and 2 done)

Merged error: 0.0b

regimes62.0ms

Accuracy

59.1% (0.4b remaining)

Error of 0.4b against oracle of 0.0b and baseline of 1.0b

bsearch1.0ms

simplify1.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
02512
12512
done2512

end0.0ms

sample1.1s

Algorithm
intervals
Results
368.0ms2242×body1280valid
266.0ms2547×body10240exit
173.0ms1622×body640valid
59.0ms807×body320valid
54.0ms2952×body80valid
16.0ms378×body160valid