Details

Time bar (total: 19.8s)

sample118.0ms

Algorithm
intervals
Results
24.0ms144×body160valid
20.0ms255×body80nan
19.0ms511×pre80true
9.0ms112×body80valid

simplify161.0ms

Counts
1 → 1
Iterations

Useful iterations: 2 (14.0ms)

IterNodesCost
01217
12217
24216
38216
410416
511216
done11216

prune11.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 28.6b

localize28.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (* 3.0 a) c)
0.3b
(- (* b b) (* (* 3.0 a) c))
0.3b
(/ (+ (- b) (sqrt (- (* b b) (* (* 3.0 a) c)))) (* 3.0 a))
28.4b
(+ (- b) (sqrt (- (* b b) (* (* 3.0 a) c))))

rewrite167.0ms

Algorithm
rewrite-expression-head
Rules
22×*-un-lft-identity
14×add-exp-log add-cbrt-cube
10×add-sqr-sqrt add-cube-cbrt fma-def add-log-exp
pow1
distribute-rgt-neg-in distribute-lft-out
times-frac associate-/l*
expm1-log1p-u prod-exp cbrt-unprod log1p-expm1-u
distribute-lft-neg-in associate-*r* pow-prod-down
cbrt-undiv neg-sub0 associate-+l- flip3-+ div-exp sum-log flip-+ associate-/l/
+-commutative neg-mul-1 sub-neg flip3-- frac-2neg fma-neg diff-log div-sub associate-*l* prod-diff neg-log clear-num associate-/r* *-commutative flip-- div-inv
Counts
4 → 93
Calls
4 calls:
20.0ms
(* (* 3.0 a) c)
9.0ms
(- (* b b) (* (* 3.0 a) c))
86.0ms
(/ (+ (- b) (sqrt (- (* b b) (* (* 3.0 a) c)))) (* 3.0 a))
49.0ms
(+ (- b) (sqrt (- (* b b) (* (* 3.0 a) c))))

series403.0ms

Counts
4 → 12
Calls
4 calls:
37.0ms
(* (* 3.0 a) c)
66.0ms
(- (* b b) (* (* 3.0 a) c))
177.0ms
(/ (+ (- b) (sqrt (- (* b b) (* (* 3.0 a) c)))) (* 3.0 a))
124.0ms
(+ (- b) (sqrt (- (* b b) (* (* 3.0 a) c))))

simplify1.8s

Counts
105 → 105
Iterations

Useful iterations: done (1.8s)

IterNodesCost
01671559
14401478
216761247
done50011234

prune388.0ms

Pruning

7 alts after pruning (7 fresh and 0 done)

Merged error: 0.4b

localize20.0ms

Local error

Found 4 expressions with local error:

0.2b
(- (- b) (sqrt (- (* b b) (* (* 3.0 a) c))))
0.3b
(- (* b b) (* (* 3.0 a) c))
0.4b
(/ (/ (+ 0 (* (* 3.0 a) c)) (- (- b) (sqrt (- (* b b) (* (* 3.0 a) c))))) (* 3.0 a))
0.4b
(/ (+ 0 (* (* 3.0 a) c)) (- (- b) (sqrt (- (* b b) (* (* 3.0 a) c)))))

rewrite287.0ms

Algorithm
rewrite-expression-head
Rules
123×add-sqr-sqrt *-un-lft-identity
90×times-frac
79×add-cube-cbrt
61×prod-diff
41×sqrt-prod
32×distribute-rgt-neg-in
30×associate-/l*
22×distribute-lft-out-- difference-of-squares
21×distribute-lft-neg-in
18×add-exp-log add-cbrt-cube
11×fma-neg
10×add-log-exp
associate-/r*
cbrt-undiv neg-mul-1 div-exp
associate-/r/
flip3-- flip--
pow1 expm1-log1p-u log1p-expm1-u div-inv
diff-log associate-/l/
sub-neg frac-2neg prod-exp clear-num cbrt-unprod
associate--l- neg-sub0 flip3-+ neg-log flip-+
Counts
4 → 231
Calls
4 calls:
42.0ms
(- (- b) (sqrt (- (* b b) (* (* 3.0 a) c))))
15.0ms
(- (* b b) (* (* 3.0 a) c))
112.0ms
(/ (/ (+ 0 (* (* 3.0 a) c)) (- (- b) (sqrt (- (* b b) (* (* 3.0 a) c))))) (* 3.0 a))
102.0ms
(/ (+ 0 (* (* 3.0 a) c)) (- (- b) (sqrt (- (* b b) (* (* 3.0 a) c)))))

series704.0ms

Counts
4 → 12
Calls
4 calls:
143.0ms
(- (- b) (sqrt (- (* b b) (* (* 3.0 a) c))))
61.0ms
(- (* b b) (* (* 3.0 a) c))
231.0ms
(/ (/ (+ 0 (* (* 3.0 a) c)) (- (- b) (sqrt (- (* b b) (* (* 3.0 a) c))))) (* 3.0 a))
269.0ms
(/ (+ 0 (* (* 3.0 a) c)) (- (- b) (sqrt (- (* b b) (* (* 3.0 a) c)))))

simplify2.1s

Counts
243 → 243
Iterations

Useful iterations: done (2.1s)

IterNodesCost
033710026
17987598
230076483
done50016397

prune936.0ms

Pruning

11 alts after pruning (10 fresh and 1 done)

Merged error: 0b

localize38.0ms

Local error

Found 4 expressions with local error:

0.3b
(/ 1 (* (/ (* 3.0 a) (* 3.0 (* a c))) (- (- b) (sqrt (- (* b b) (* (* 3.0 a) c))))))
0.3b
(* 3.0 (* a c))
0.4b
(* (/ (* 3.0 a) (* 3.0 (* a c))) (- (- b) (sqrt (- (* b b) (* (* 3.0 a) c)))))
0.4b
(/ (* 3.0 a) (* 3.0 (* a c)))

rewrite598.0ms

Algorithm
rewrite-expression-head
Rules
157×add-exp-log
120×prod-diff
97×add-cbrt-cube
91×add-sqr-sqrt
89×*-un-lft-identity
85×add-cube-cbrt
76×prod-exp
62×distribute-rgt-in distribute-lft-in
61×sqrt-prod
46×div-exp
44×cbrt-unprod
37×distribute-rgt-neg-in
36×distribute-lft-neg-in
26×cbrt-undiv
14×pow1
12×neg-mul-1
rec-exp 1-exp associate-*r* associate-*l*
times-frac pow-prod-down associate-/r/
expm1-log1p-u frac-times flip3-- associate-*r/ flip-- log1p-expm1-u associate-/l* add-log-exp
div-inv
sub-neg pow-flip frac-2neg associate-*l/ clear-num associate-/r* *-commutative distribute-lft-out-- difference-of-squares
inv-pow unswap-sqr
Counts
4 → 273
Calls
4 calls:
227.0ms
(/ 1 (* (/ (* 3.0 a) (* 3.0 (* a c))) (- (- b) (sqrt (- (* b b) (* (* 3.0 a) c))))))
22.0ms
(* 3.0 (* a c))
277.0ms
(* (/ (* 3.0 a) (* 3.0 (* a c))) (- (- b) (sqrt (- (* b b) (* (* 3.0 a) c)))))
56.0ms
(/ (* 3.0 a) (* 3.0 (* a c)))

series455.0ms

Counts
4 → 12
Calls
4 calls:
263.0ms
(/ 1 (* (/ (* 3.0 a) (* 3.0 (* a c))) (- (- b) (sqrt (- (* b b) (* (* 3.0 a) c))))))
37.0ms
(* 3.0 (* a c))
139.0ms
(* (/ (* 3.0 a) (* 3.0 (* a c))) (- (- b) (sqrt (- (* b b) (* (* 3.0 a) c)))))
16.0ms
(/ (* 3.0 a) (* 3.0 (* a c)))

simplify3.5s

Counts
285 → 285
Iterations

Useful iterations: done (3.5s)

IterNodesCost
041316095
1107411356
243837155
done50007154

prune604.0ms

Pruning

9 alts after pruning (8 fresh and 1 done)

Merged error: 0b

localize33.0ms

Local error

Found 4 expressions with local error:

0.2b
(/ (- (sqrt (- (* b b) (* (* 3.0 a) c)))) (/ c 1))
0.3b
(- (* b b) (* (* 3.0 a) c))
0.3b
(/ 1 (+ (* (/ 1 c) (- b)) (/ (- (sqrt (- (* b b) (* (* 3.0 a) c)))) (/ c 1))))
0.3b
(* (/ 1 c) (- b))

rewrite431.0ms

Algorithm
rewrite-expression-head
Rules
395×times-frac
222×*-un-lft-identity
220×add-sqr-sqrt
213×add-cube-cbrt
91×distribute-rgt-neg-in
87×distribute-lft-neg-in
84×sqrt-prod
28×div-inv
24×add-exp-log
19×associate-/l*
18×associate-/r*
16×add-cbrt-cube
15×neg-mul-1
13×associate-*l*
10×associate-*r*
div-exp
distribute-lft-out
pow1
add-log-exp
cbrt-undiv
expm1-log1p-u prod-exp associate-/r/ log1p-expm1-u
1-exp unswap-sqr
rec-exp flip3-- frac-2neg sqrt-div associate-*l/ clear-num flip-- cbrt-unprod associate-/l/ distribute-neg-frac
neg-sub0 sub-neg pow-flip flip3-+ fma-neg diff-log div-sub distribute-frac-neg prod-diff pow-prod-down frac-add *-commutative distribute-rgt-neg-out flip-+ inv-pow
Counts
4 → 364
Calls
4 calls:
78.0ms
(/ (- (sqrt (- (* b b) (* (* 3.0 a) c)))) (/ c 1))
20.0ms
(- (* b b) (* (* 3.0 a) c))
231.0ms
(/ 1 (+ (* (/ 1 c) (- b)) (/ (- (sqrt (- (* b b) (* (* 3.0 a) c)))) (/ c 1))))
54.0ms
(* (/ 1 c) (- b))

series513.0ms

Counts
4 → 12
Calls
4 calls:
165.0ms
(/ (- (sqrt (- (* b b) (* (* 3.0 a) c)))) (/ c 1))
49.0ms
(- (* b b) (* (* 3.0 a) c))
275.0ms
(/ 1 (+ (* (/ 1 c) (- b)) (/ (- (sqrt (- (* b b) (* (* 3.0 a) c)))) (/ c 1))))
23.0ms
(* (/ 1 c) (- b))

simplify1.9s

Counts
376 → 376
Iterations

Useful iterations: done (1.9s)

IterNodesCost
056710232
113187990
227717716
done50007713

prune806.0ms

Pruning

8 alts after pruning (7 fresh and 1 done)

Merged error: 0b

regimes254.0ms

Accuracy

0% (0.4b remaining)

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

bsearch0.0ms

simplify9.0ms

Iterations

Useful iterations: 2 (4.0ms)

IterNodesCost
02744
13642
24441
34841
done4841

end0.0ms

sample3.5s

Algorithm
intervals
Results
1.1s8506×body80nan
729.0ms4451×body160valid
678.0ms16506×pre80true
280.0ms3549×body80valid