Details

Time bar (total: 19.7s)

sample99.0ms

Algorithm
intervals
Results
39.0ms276×body80valid
23.0ms92×body80nan

simplify291.0ms

Counts
1 → 1
Iterations

Useful iterations: 2 (22.0ms)

IterNodesCost
02038
13838
27837
313537
415537
516537
616937
done16937

prune7.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 18.8b

localize113.0ms

Local error

Found 4 expressions with local error:

1.0b
(- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))
1.1b
(+ (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))
23.4b
(sqrt (- (* b b) (* (* 4.0 a) c)))
23.4b
(sqrt (- (* b b) (* (* 4.0 a) c)))

rewrite100.0ms

Algorithm
rewrite-expression-head
Rules
14×*-un-lft-identity
12×add-sqr-sqrt add-log-exp
sqrt-prod
pow1 add-cube-cbrt
add-exp-log sqrt-div add-cbrt-cube
flip3-- flip--
neg-sub0 rem-sqrt-square distribute-rgt-neg-in sqrt-pow1 pow1/2 diff-log neg-log sum-log distribute-lft-out distribute-lft-out-- difference-of-squares
+-commutative associate--l- associate-+l- sub-neg flip3-+ flip-+
Counts
4 → 63
Calls
4 calls:
38.0ms
(- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))
41.0ms
(+ (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))
9.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))
10.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))

series442.0ms

Counts
4 → 12
Calls
4 calls:
99.0ms
(- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))
128.0ms
(+ (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))
109.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))
105.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))

simplify2.7s

Counts
75 → 75
Iterations

Useful iterations: done (2.7s)

IterNodesCost
01001330
12461186
27801089
327401070
done50011066

prune472.0ms

Pruning

5 alts after pruning (5 fresh and 0 done)

Merged error: 6.0b

localize134.0ms

Local error

Found 4 expressions with local error:

7.2b
(+ (- b) (* (fabs (cbrt (- (* b b) (* (* 4.0 a) c)))) (sqrt (cbrt (- (* b b) (* (* 4.0 a) c))))))
23.4b
(sqrt (- (* b b) (* (* 4.0 a) c)))
24.3b
(cbrt (- (* b b) (* (* 4.0 a) c)))
24.3b
(cbrt (- (* b b) (* (* 4.0 a) c)))

rewrite45.0ms

Algorithm
rewrite-expression-head
Rules
add-sqr-sqrt add-log-exp
add-cube-cbrt *-un-lft-identity
cbrt-prod
pow1
add-exp-log cbrt-div add-cbrt-cube
flip3-- sqrt-prod flip--
pow1/3 sqrt-div sum-log
+-commutative neg-sub0 associate-+l- rem-sqrt-square sqrt-pow1 flip3-+ pow1/2 neg-log flip-+
Counts
4 → 54
Calls
4 calls:
12.0ms
(+ (- b) (* (fabs (cbrt (- (* b b) (* (* 4.0 a) c)))) (sqrt (cbrt (- (* b b) (* (* 4.0 a) c))))))
9.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))
11.0ms
(cbrt (- (* b b) (* (* 4.0 a) c)))
12.0ms
(cbrt (- (* b b) (* (* 4.0 a) c)))

series559.0ms

Counts
4 → 12
Calls
4 calls:
109.0ms
(+ (- b) (* (fabs (cbrt (- (* b b) (* (* 4.0 a) c)))) (sqrt (cbrt (- (* b b) (* (* 4.0 a) c))))))
118.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))
174.0ms
(cbrt (- (* b b) (* (* 4.0 a) c)))
158.0ms
(cbrt (- (* b b) (* (* 4.0 a) c)))

simplify3.9s

Counts
66 → 66
Iterations

Useful iterations: done (3.9s)

IterNodesCost
01461516
13671425
212061215
345291185
done50011155

prune513.0ms

Pruning

5 alts after pruning (4 fresh and 1 done)

Merged error: 6.0b

localize134.0ms

Local error

Found 4 expressions with local error:

8.8b
(- (- b) (* (fabs (cbrt (- (* b b) (* (* 4.0 a) c)))) (sqrt (cbrt (- (* b b) (* (* 4.0 a) c))))))
23.4b
(sqrt (- (* b b) (* (* 4.0 a) c)))
24.3b
(cbrt (- (* b b) (* (* 4.0 a) c)))
24.3b
(cbrt (- (* b b) (* (* 4.0 a) c)))

rewrite44.0ms

Algorithm
rewrite-expression-head
Rules
add-sqr-sqrt add-log-exp
add-cube-cbrt *-un-lft-identity
cbrt-prod
pow1
add-exp-log cbrt-div flip3-- add-cbrt-cube flip--
sqrt-prod
pow1/3 sqrt-div diff-log
associate--l- neg-sub0 sub-neg rem-sqrt-square sqrt-pow1 pow1/2 neg-log
Counts
4 → 55
Calls
4 calls:
13.0ms
(- (- b) (* (fabs (cbrt (- (* b b) (* (* 4.0 a) c)))) (sqrt (cbrt (- (* b b) (* (* 4.0 a) c))))))
9.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))
9.0ms
(cbrt (- (* b b) (* (* 4.0 a) c)))
11.0ms
(cbrt (- (* b b) (* (* 4.0 a) c)))

series569.0ms

Counts
4 → 12
Calls
4 calls:
135.0ms
(- (- b) (* (fabs (cbrt (- (* b b) (* (* 4.0 a) c)))) (sqrt (cbrt (- (* b b) (* (* 4.0 a) c))))))
114.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))
152.0ms
(cbrt (- (* b b) (* (* 4.0 a) c)))
167.0ms
(cbrt (- (* b b) (* (* 4.0 a) c)))

simplify3.5s

Counts
67 → 67
Iterations

Useful iterations: done (3.5s)

IterNodesCost
01491566
13631475
211721275
344571245
done50011215

prune627.0ms

Pruning

5 alts after pruning (3 fresh and 2 done)

Merged error: 6.0b

localize107.0ms

Local error

Found 4 expressions with local error:

1.0b
(- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))
3.7b
(/ (* a c) b)
4.8b
(/ (* 2.0 c) (+ (- b) (- (* 2.0 (/ (* a c) b)) b)))
23.4b
(sqrt (- (* b b) (* (* 4.0 a) c)))

rewrite185.0ms

Algorithm
rewrite-expression-head
Rules
21×*-un-lft-identity
14×add-exp-log add-sqr-sqrt add-cbrt-cube
add-cube-cbrt
times-frac associate-/r* add-log-exp
pow1
cbrt-undiv div-exp sqrt-prod distribute-lft-out
distribute-rgt-neg-in
flip3-- frac-2neg sqrt-div diff-log prod-exp clear-num associate-/r/ flip-- cbrt-unprod div-inv associate-/l* distribute-lft-out-- difference-of-squares
associate--l- neg-sub0 sub-neg rem-sqrt-square sqrt-pow1 flip3-+ pow1/2 neg-log flip-+
Counts
4 → 81
Calls
4 calls:
33.0ms
(- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))
12.0ms
(/ (* a c) b)
124.0ms
(/ (* 2.0 c) (+ (- b) (- (* 2.0 (/ (* a c) b)) b)))
11.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))

series509.0ms

Counts
4 → 12
Calls
4 calls:
89.0ms
(- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))
36.0ms
(/ (* a c) b)
260.0ms
(/ (* 2.0 c) (+ (- b) (- (* 2.0 (/ (* a c) b)) b)))
124.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))

simplify1.3s

Counts
93 → 93
Iterations

Useful iterations: done (1.3s)

IterNodesCost
01761500
14381404
215891207
done50011199

prune542.0ms

Pruning

6 alts after pruning (4 fresh and 2 done)

Merged error: 5.4b

regimes250.0ms

Accuracy

93.3% (0.9b remaining)

Error of 7.2b against oracle of 6.3b and baseline of 20.0b

bsearch258.0ms

Steps
ItersRangePoint
10
4.61796087672408e+142
1.3206820209921783e+153
1.0250863020074382e+144
7
-6.338089291324522e+142
-9.408663701389454e+140
-2.415824536209925e+141

simplify13.0ms

Iterations

Useful iterations: 0 (2.0ms)

IterNodesCost
049140
161140
done61140

end0.0ms

sample2.4s

Algorithm
intervals
Results
1.5s8712×body80valid
346.0ms2914×body80nan