Details

Time bar (total: 18.4s)

sample27.0ms

Algorithm
intervals
Results
10.0ms250×body80valid
2.0ms14×body640valid
1.0ms15×body320valid
1.0msbody160valid
0.0msbody1280valid
0.0msbody2560valid

simplify9.5s

Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
01113
12313
24313
311613
426813
559813
6111113
7220413
8335813
9419713
10460913
done500113

prune2.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 11.3b

localize9.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ (- t x) (- a z))
3.7b
(* (- y z) (/ (- t x) (- a z)))
4.3b
(+ x (* (- y z) (/ (- t x) (- a z))))

rewrite56.0ms

Algorithm
rewrite-expression-head
Rules
78×add-sqr-sqrt
73×*-un-lft-identity
51×times-frac
31×associate-*r*
27×add-cube-cbrt
23×distribute-lft-out-- difference-of-squares
10×add-exp-log add-cbrt-cube
pow1 flip3-- associate-*l* associate-/r* flip-- associate-/l* add-log-exp
associate-/r/
cbrt-undiv frac-times div-exp associate-*l/ prod-exp cbrt-unprod div-inv associate-/l/ unswap-sqr
+-commutative frac-2neg flip3-+ div-sub associate-*r/ pow-prod-down clear-num sum-log *-commutative flip-+
Counts
3 → 119
Calls
3 calls:
11.0ms
(/ (- t x) (- a z))
37.0ms
(* (- y z) (/ (- t x) (- a z)))
3.0ms
(+ x (* (- y z) (/ (- t x) (- a z))))

series330.0ms

Counts
3 → 9
Calls
3 calls:
51.0ms
(/ (- t x) (- a z))
127.0ms
(* (- y z) (/ (- t x) (- a z)))
151.0ms
(+ x (* (- y z) (/ (- t x) (- a z))))

simplify632.0ms

Counts
128 → 128
Iterations

Useful iterations: 2 (137.0ms)

IterNodesCost
01831813
14761704
218671606
done50001606

prune314.0ms

Pruning

11 alts after pruning (10 fresh and 1 done)

Merged error: 3.6b

localize13.0ms

Local error

Found 4 expressions with local error:

0.6b
(cbrt (- a z))
0.6b
(cbrt (- a z))
1.8b
(* (/ (- y z) (* (cbrt (- a z)) (cbrt (- a z)))) (/ (- t x) (cbrt (- a z))))
6.2b
(+ x (* (/ (- y z) (* (cbrt (- a z)) (cbrt (- a z)))) (/ (- t x) (cbrt (- a z)))))

rewrite95.0ms

Algorithm
rewrite-expression-head
Rules
75×add-sqr-sqrt
59×*-un-lft-identity
52×times-frac
46×associate-*r*
37×cbrt-prod
27×add-cube-cbrt
25×add-exp-log
18×cbrt-div add-cbrt-cube
17×associate-*l*
16×distribute-lft-out-- difference-of-squares
10×associate-/r/
flip3-- flip--
prod-exp cbrt-unprod
cbrt-undiv div-exp
pow1 add-log-exp unswap-sqr
frac-times
associate-*r/ associate-*l/
pow1/3 div-inv
+-commutative flip3-+ pow-prod-down sum-log *-commutative flip-+
Counts
4 → 134
Calls
4 calls:
2.0ms
(cbrt (- a z))
2.0ms
(cbrt (- a z))
82.0ms
(* (/ (- y z) (* (cbrt (- a z)) (cbrt (- a z)))) (/ (- t x) (cbrt (- a z))))
3.0ms
(+ x (* (/ (- y z) (* (cbrt (- a z)) (cbrt (- a z)))) (/ (- t x) (cbrt (- a z)))))

series734.0ms

Counts
4 → 12
Calls
4 calls:
145.0ms
(cbrt (- a z))
140.0ms
(cbrt (- a z))
295.0ms
(* (/ (- y z) (* (cbrt (- a z)) (cbrt (- a z)))) (/ (- t x) (cbrt (- a z))))
154.0ms
(+ x (* (/ (- y z) (* (cbrt (- a z)) (cbrt (- a z)))) (/ (- t x) (cbrt (- a z)))))

simplify1.0s

Counts
146 → 146
Iterations

Useful iterations: 2 (229.0ms)

IterNodesCost
02553364
17453200
231822663
done50002663

prune474.0ms

Pruning

11 alts after pruning (9 fresh and 2 done)

Merged error: 3.6b

localize10.0ms

Local error

Found 4 expressions with local error:

0.0b
(/ 1 (- a z))
0.3b
(* (- t x) (/ 1 (- a z)))
3.7b
(* (- y z) (* (- t x) (/ 1 (- a z))))
5.0b
(+ x (* (- y z) (* (- t x) (/ 1 (- a z)))))

rewrite76.0ms

Algorithm
rewrite-expression-head
Rules
50×add-sqr-sqrt
44×*-un-lft-identity
32×add-exp-log times-frac
25×add-cube-cbrt
22×associate-*r*
20×frac-times add-cbrt-cube
17×flip3-- flip--
13×prod-exp
12×pow1
10×associate-*r/ associate-*l* associate-*l/
distribute-lft-out-- difference-of-squares
cbrt-unprod
div-exp add-log-exp
associate-/r*
pow-prod-down associate-/r/ un-div-inv
cbrt-undiv rec-exp 1-exp associate-/l* unswap-sqr
*-commutative div-inv
+-commutative pow-flip frac-2neg flip3-+ clear-num sum-log flip-+ inv-pow
Counts
4 → 146
Calls
4 calls:
8.0ms
(/ 1 (- a z))
25.0ms
(* (- t x) (/ 1 (- a z)))
34.0ms
(* (- y z) (* (- t x) (/ 1 (- a z))))
3.0ms
(+ x (* (- y z) (* (- t x) (/ 1 (- a z)))))

series357.0ms

Counts
4 → 12
Calls
4 calls:
36.0ms
(/ 1 (- a z))
48.0ms
(* (- t x) (/ 1 (- a z)))
127.0ms
(* (- y z) (* (- t x) (/ 1 (- a z))))
146.0ms
(+ x (* (- y z) (* (- t x) (/ 1 (- a z)))))

simplify1.1s

Counts
158 → 158
Iterations

Useful iterations: 2 (205.0ms)

IterNodesCost
02212286
15911940
225281716
done50001716

prune348.0ms

Pruning

10 alts after pruning (7 fresh and 3 done)

Merged error: 3.6b

localize14.0ms

Local error

Found 4 expressions with local error:

5.7b
(cbrt (/ (- t x) (- a z)))
5.7b
(cbrt (/ (- t x) (- a z)))
5.7b
(cbrt (/ (- t x) (- a z)))
8.4b
(+ x (* (- y z) (* (* (cbrt (/ (- t x) (- a z))) (cbrt (/ (- t x) (- a z)))) (cbrt (/ (- t x) (- a z))))))

rewrite30.0ms

Algorithm
rewrite-expression-head
Rules
97×add-sqr-sqrt *-un-lft-identity
93×cbrt-prod
75×times-frac
37×add-cube-cbrt
30×distribute-lft-out-- difference-of-squares
associate-/r/ add-log-exp
pow1 add-exp-log add-cbrt-cube
cbrt-div flip3-- pow1/3 flip-- div-inv
+-commutative flip3-+ sum-log flip-+
Counts
4 → 131
Calls
4 calls:
6.0ms
(cbrt (/ (- t x) (- a z)))
6.0ms
(cbrt (/ (- t x) (- a z)))
6.0ms
(cbrt (/ (- t x) (- a z)))
3.0ms
(+ x (* (- y z) (* (* (cbrt (/ (- t x) (- a z))) (cbrt (/ (- t x) (- a z)))) (cbrt (/ (- t x) (- a z))))))

series585.0ms

Counts
4 → 12
Calls
4 calls:
147.0ms
(cbrt (/ (- t x) (- a z)))
143.0ms
(cbrt (/ (- t x) (- a z)))
146.0ms
(cbrt (/ (- t x) (- a z)))
149.0ms
(+ x (* (- y z) (* (* (cbrt (/ (- t x) (- a z))) (cbrt (/ (- t x) (- a z)))) (cbrt (/ (- t x) (- a z))))))

simplify1.3s

Counts
143 → 143
Iterations

Useful iterations: 3 (363.0ms)

IterNodesCost
01832893
13882774
29572419
335872320
done50002320

prune476.0ms

Pruning

10 alts after pruning (7 fresh and 3 done)

Merged error: 2.1b

regimes293.0ms

Accuracy

52.2% (4.4b remaining)

Error of 7.6b against oracle of 3.2b and baseline of 12.4b

bsearch3.0ms

simplify3.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
02880
13480
done3480

end0.0ms

sample680.0ms

Algorithm
intervals
Results
246.0ms7794×body80valid
56.0ms460×body640valid
41.0ms435×body320valid
39.0ms255×body1280valid
19.0ms280×body160valid
3.0ms14×body2560valid