Details

Time bar (total: 9.4s)

sample22.0ms

Algorithm
intervals
Results
6.0ms256×body80valid
3.0ms256×pre80true
2.0ms217×pre80false

simplify3.4s

Counts
1 → 1
Iterations

Useful iterations: 2 (4.0ms)

IterNodesCost
0813
11813
24711
39711
417911
529311
645511
7141611
done500011

prune5.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 14.3b

localize7.0ms

Local error

Found 3 expressions with local error:

0.0b
(- (* a a) (* b b))
0.0b
(sqrt (fabs (/ (- (* a a) (* b b)) (* a a))))
13.9b
(/ (- (* a a) (* b b)) (* a a))

rewrite16.0ms

Algorithm
rewrite-expression-head
Rules
add-exp-log add-cbrt-cube
add-sqr-sqrt
add-cube-cbrt *-un-lft-identity
add-log-exp
pow1 times-frac associate-/l*
sqrt-prod difference-of-squares
cbrt-undiv flip3-- div-exp flip-- associate-/l/
sub-neg rem-sqrt-square frac-2neg sqrt-pow1 pow1/2 diff-log div-sub prod-exp clear-num associate-/r* cbrt-unprod div-inv
Counts
3 → 52
Calls
3 calls:
2.0ms
(- (* a a) (* b b))
1.0ms
(sqrt (fabs (/ (- (* a a) (* b b)) (* a a))))
12.0ms
(/ (- (* a a) (* b b)) (* a a))

series98.0ms

Counts
3 → 9
Calls
3 calls:
33.0ms
(- (* a a) (* b b))
17.0ms
(sqrt (fabs (/ (- (* a a) (* b b)) (* a a))))
48.0ms
(/ (- (* a a) (* b b)) (* a a))

simplify607.0ms

Counts
61 → 61
Iterations

Useful iterations: done (605.0ms)

IterNodesCost
090893
1224771
2791676
done5000668

prune131.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 0b

localize11.0ms

Local error

Found 4 expressions with local error:

0.0b
(/ a (- a (* b (/ b a))))
0.0b
(sqrt (fabs (/ 1 (/ a (- a (* b (/ b a)))))))
0.0b
(/ 1 (/ a (- a (* b (/ b a)))))
0.1b
(* b (/ b a))

rewrite26.0ms

Algorithm
rewrite-expression-head
Rules
100×times-frac
71×add-sqr-sqrt
65×add-cube-cbrt *-un-lft-identity
22×add-exp-log
18×associate-/r*
16×add-cbrt-cube
13×associate-*r*
11×associate-/r/
div-exp
pow1
div-inv
associate-/l*
cbrt-undiv flip3-- flip--
add-log-exp
associate-*l* sqrt-prod
rec-exp frac-2neg 1-exp prod-exp clear-num cbrt-unprod unswap-sqr
rem-sqrt-square pow-flip sqrt-pow1 pow1/2 associate-*r/ pow-prod-down *-commutative inv-pow
Counts
4 → 158
Calls
4 calls:
4.0ms
(/ a (- a (* b (/ b a))))
1.0ms
(sqrt (fabs (/ 1 (/ a (- a (* b (/ b a)))))))
7.0ms
(/ 1 (/ a (- a (* b (/ b a)))))
8.0ms
(* b (/ b a))

series129.0ms

Counts
4 → 12
Calls
4 calls:
45.0ms
(/ a (- a (* b (/ b a))))
14.0ms
(sqrt (fabs (/ 1 (/ a (- a (* b (/ b a)))))))
52.0ms
(/ 1 (/ a (- a (* b (/ b a)))))
18.0ms
(* b (/ b a))

simplify2.5s

Counts
170 → 170
Iterations

Useful iterations: 3 (1.8s)

IterNodesCost
02452864
15482553
213032289
349112245
done50002245

prune321.0ms

Pruning

2 alts after pruning (1 fresh and 1 done)

Merged error: 0b

localize8.0ms

Local error

Found 4 expressions with local error:

0.0b
(sqrt (fabs (* (/ (+ a b) a) (/ (- a b) a))))
0.0b
(/ (- a b) a)
0.0b
(/ (+ a b) a)
0.0b
(* (/ (+ a b) a) (/ (- a b) a))

rewrite50.0ms

Algorithm
rewrite-expression-head
Rules
69×*-un-lft-identity
68×add-sqr-sqrt
58×times-frac
41×add-cube-cbrt
20×add-exp-log add-cbrt-cube
19×associate-*r*
16×associate-*l*
associate-/l*
pow1 distribute-lft-out distribute-lft-out-- difference-of-squares
cbrt-undiv div-exp associate-/r*
prod-exp cbrt-unprod div-inv associate-/l/ add-log-exp unswap-sqr
sqrt-prod
frac-2neg clear-num
frac-times rem-sqrt-square flip3-- sqrt-pow1 flip3-+ pow1/2 div-sub associate-*r/ pow-prod-down associate-*l/ *-commutative flip-- flip-+
Counts
4 → 143
Calls
4 calls:
1.0ms
(sqrt (fabs (* (/ (+ a b) a) (/ (- a b) a))))
7.0ms
(/ (- a b) a)
8.0ms
(/ (+ a b) a)
29.0ms
(* (/ (+ a b) a) (/ (- a b) a))

series128.0ms

Counts
4 → 12
Calls
4 calls:
16.0ms
(sqrt (fabs (* (/ (+ a b) a) (/ (- a b) a))))
31.0ms
(/ (- a b) a)
21.0ms
(/ (+ a b) a)
60.0ms
(* (/ (+ a b) a) (/ (- a b) a))

simplify978.0ms

Counts
155 → 155
Iterations

Useful iterations: 2 (437.0ms)

IterNodesCost
01841937
14891843
217891679
done50001679

prune326.0ms

Pruning

2 alts after pruning (0 fresh and 2 done)

Merged error: 0b

regimes23.0ms

Accuracy

0% (0.0b remaining)

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

bsearch0.0ms

simplify1.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
01013
11313
done1313

end0.0ms

sample603.0ms

Algorithm
intervals
Results
192.0ms8000×body80valid
97.0ms8109×pre80false
93.0ms8000×pre80true