Details

Time bar (total: 24.1s)

sample100.0ms

Algorithm
intervals
Results
57.0ms684×body80valid

simplify4.4s

Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
01217
12517
24017
36617
412017
542617
6350717
done500117

prune6.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 0.2b

localize28.0ms

Local error

Found 4 expressions with local error:

0.0b
(+ (pow (+ (* a a) (* b b)) 2.0) (* 4.0 (* b b)))
0.0b
(+ (* a a) (* b b))
0.0b
(* 4.0 (* b b))
0.4b
(pow (+ (* a a) (* b b)) 2.0)

rewrite175.0ms

Algorithm
rewrite-expression-head
Rules
10×pow1 add-exp-log
add-cbrt-cube
add-sqr-sqrt add-log-exp
add-cube-cbrt *-un-lft-identity
unpow-prod-down pow-unpow associate-*l* pow-prod-down prod-exp cbrt-unprod
+-commutative flip3-+ sum-log flip-+
pow-to-exp pow-pow associate-*r* pow-exp *-commutative unswap-sqr sqr-pow
Counts
4 → 58
Calls
4 calls:
106.0ms
(+ (pow (+ (* a a) (* b b)) 2.0) (* 4.0 (* b b)))
18.0ms
(+ (* a a) (* b b))
30.0ms
(* 4.0 (* b b))
18.0ms
(pow (+ (* a a) (* b b)) 2.0)

series416.0ms

Counts
4 → 12
Calls
4 calls:
128.0ms
(+ (pow (+ (* a a) (* b b)) 2.0) (* 4.0 (* b b)))
55.0ms
(+ (* a a) (* b b))
57.0ms
(* 4.0 (* b b))
175.0ms
(pow (+ (* a a) (* b b)) 2.0)

simplify2.2s

Counts
70 → 70
Iterations

Useful iterations: 2 (583.0ms)

IterNodesCost
0117931
1382848
22133778
done5000778

prune507.0ms

Pruning

4 alts after pruning (3 fresh and 1 done)

Merged error: 0b

localize54.0ms

Local error

Found 4 expressions with local error:

0.0b
(+ (pow a 4) (+ (pow b 4) (* 2 (* (pow a 2) (pow b 2)))))
0.0b
(+ (pow b 4) (* 2 (* (pow a 2) (pow b 2))))
0.0b
(* 2 (* (pow a 2) (pow b 2)))
2.2b
(* (pow a 2) (pow b 2))

rewrite205.0ms

Algorithm
rewrite-expression-head
Rules
39×add-exp-log
28×prod-exp
25×add-sqr-sqrt
16×unswap-sqr
14×unpow-prod-down
12×pow-to-exp pow-exp
11×*-un-lft-identity associate-*l* add-cbrt-cube add-log-exp
10×unpow2 sqr-pow
add-cube-cbrt associate-*r*
pow1
sum-log cbrt-unprod
+-commutative flip3-+ pow-prod-down *-commutative flip-+
associate-+r+ distribute-lft-out
Counts
4 → 101
Calls
4 calls:
70.0ms
(+ (pow a 4) (+ (pow b 4) (* 2 (* (pow a 2) (pow b 2)))))
35.0ms
(+ (pow b 4) (* 2 (* (pow a 2) (pow b 2))))
54.0ms
(* 2 (* (pow a 2) (pow b 2)))
37.0ms
(* (pow a 2) (pow b 2))

series332.0ms

Counts
4 → 12
Calls
4 calls:
97.0ms
(+ (pow a 4) (+ (pow b 4) (* 2 (* (pow a 2) (pow b 2)))))
101.0ms
(+ (pow b 4) (* 2 (* (pow a 2) (pow b 2))))
71.0ms
(* 2 (* (pow a 2) (pow b 2)))
62.0ms
(* (pow a 2) (pow b 2))

simplify3.0s

Counts
113 → 113
Iterations

Useful iterations: done (3.0s)

IterNodesCost
01461649
13861443
224091247
done50001233

prune687.0ms

Pruning

4 alts after pruning (2 fresh and 2 done)

Merged error: 0b

localize52.0ms

Local error

Found 4 expressions with local error:

0.0b
(- (* a a) (* b b))
0.0b
(* 4.0 (* b b))
0.4b
(pow (/ (- (pow a 4) (pow b 4)) (- (* a a) (* b b))) 2.0)
18.0b
(/ (- (pow a 4) (pow b 4)) (- (* a a) (* b b)))

rewrite296.0ms

Algorithm
rewrite-expression-head
Rules
154×add-sqr-sqrt
134×unpow-prod-down
112×times-frac
111×difference-of-squares
81×*-un-lft-identity
55×sqr-pow
45×add-cube-cbrt
18×distribute-lft-out--
14×add-exp-log associate-/l*
11×add-cbrt-cube
10×pow1
add-log-exp
flip3-- associate-/r* associate-/r/ flip--
pow-unpow associate-*l* pow-prod-down prod-exp cbrt-unprod
div-exp pow-exp div-inv associate-/l/
cbrt-undiv pow-to-exp sub-neg pow-pow frac-2neg diff-log div-sub associate-*r* clear-num *-commutative unswap-sqr
Counts
4 → 200
Calls
4 calls:
19.0ms
(- (* a a) (* b b))
36.0ms
(* 4.0 (* b b))
100.0ms
(pow (/ (- (pow a 4) (pow b 4)) (- (* a a) (* b b))) 2.0)
117.0ms
(/ (- (pow a 4) (pow b 4)) (- (* a a) (* b b)))

series518.0ms

Counts
4 → 12
Calls
4 calls:
62.0ms
(- (* a a) (* b b))
49.0ms
(* 4.0 (* b b))
265.0ms
(pow (/ (- (pow a 4) (pow b 4)) (- (* a a) (* b b))) 2.0)
142.0ms
(/ (- (pow a 4) (pow b 4)) (- (* a a) (* b b)))

simplify1.1s

Counts
212 → 212
Iterations

Useful iterations: done (1.1s)

IterNodesCost
03775514
113465142
done50015038

prune1.9s

Pruning

4 alts after pruning (1 fresh and 3 done)

Merged error: 0b

localize48.0ms

Local error

Found 4 expressions with local error:

0.0b
(* 2.0 (* (pow a 2) (pow b 2)))
0.0b
(+ (+ (pow b 4) (* 2.0 (* (pow a 2) (pow b 2)))) (* 4.0 (* b b)))
0.0b
(* 4.0 (* b b))
2.2b
(* (pow a 2) (pow b 2))

rewrite230.0ms

Algorithm
rewrite-expression-head
Rules
44×add-exp-log
31×prod-exp
27×add-sqr-sqrt
17×unswap-sqr
16×add-cbrt-cube
14×unpow-prod-down associate-*l*
12×pow-to-exp pow-exp
11×pow1
10×add-cube-cbrt *-un-lft-identity associate-*r* unpow2 sqr-pow
add-log-exp
cbrt-unprod
pow-prod-down
sum-log *-commutative
+-commutative associate-+l+ flip3-+ flip-+
Counts
4 → 108
Calls
4 calls:
47.0ms
(* 2.0 (* (pow a 2) (pow b 2)))
106.0ms
(+ (+ (pow b 4) (* 2.0 (* (pow a 2) (pow b 2)))) (* 4.0 (* b b)))
36.0ms
(* 4.0 (* b b))
34.0ms
(* (pow a 2) (pow b 2))

series273.0ms

Counts
4 → 12
Calls
4 calls:
64.0ms
(* 2.0 (* (pow a 2) (pow b 2)))
109.0ms
(+ (+ (pow b 4) (* 2.0 (* (pow a 2) (pow b 2)))) (* 4.0 (* b b)))
44.0ms
(* 4.0 (* b b))
55.0ms
(* (pow a 2) (pow b 2))

simplify2.8s

Counts
120 → 120
Iterations

Useful iterations: done (2.8s)

IterNodesCost
01601554
14331422
227871118
done50011106

prune575.0ms

Pruning

4 alts after pruning (0 fresh and 4 done)

Merged error: 0b

regimes426.0ms

Accuracy

0% (0.2b remaining)

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

bsearch0.0ms

simplify3.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
01217
11517
done1517

end0.0ms

sample3.7s

Algorithm
intervals
Results
2.8s20353×body80valid