Details

Time bar (total: 18.8s)

sample52.0ms

Algorithm
intervals
Results
29.0ms510×body80valid

simplify1.5s

Counts
1 → 1
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
01113
11913
25013
315913
429813
538413
639213
746313
862013
963213
done63213

prune2.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 6.1b

localize10.0ms

Local error

Found 2 expressions with local error:

0.0b
(- (* x x) (* (* y 4.0) (- (* z z) t)))
5.7b
(* (* y 4.0) (- (* z z) t))

rewrite70.0ms

Algorithm
rewrite-expression-head
Rules
pow1 add-exp-log add-cbrt-cube
sub-neg
distribute-rgt-in add-sqr-sqrt distribute-lft-in associate-*r* associate--r+ add-log-exp
add-cube-cbrt *-un-lft-identity pow-prod-down prod-exp cbrt-unprod
flip3-- associate-*r/ flip--
diff-log associate-*l* *-commutative difference-of-squares
Counts
2 → 41
Calls
2 calls:
20.0ms
(- (* x x) (* (* y 4.0) (- (* z z) t)))
48.0ms
(* (* y 4.0) (- (* z z) t))

series179.0ms

Counts
2 → 6
Calls
2 calls:
93.0ms
(- (* x x) (* (* y 4.0) (- (* z z) t)))
86.0ms
(* (* y 4.0) (- (* z z) t))

simplify3.9s

Counts
47 → 47
Iterations

Useful iterations: 3 (1.7s)

IterNodesCost
093707
1264669
2982583
34561577
done5001577

prune133.0ms

Pruning

6 alts after pruning (6 fresh and 0 done)

Merged error: 2.7b

localize13.0ms

Local error

Found 2 expressions with local error:

0.0b
(- (* x x) (* y (* (- (pow z 2) t) 4.0)))
5.7b
(* y (* (- (pow z 2) t) 4.0))

rewrite118.0ms

Algorithm
rewrite-expression-head
Rules
pow1 add-exp-log add-cbrt-cube
add-log-exp
add-sqr-sqrt add-cube-cbrt *-un-lft-identity associate-*l* pow-prod-down prod-exp cbrt-unprod
flip3-- associate-*r/ associate-*l/ flip--
sub-neg diff-log associate-*r* *-commutative
Counts
2 → 32
Calls
2 calls:
21.0ms
(- (* x x) (* y (* (- (pow z 2) t) 4.0)))
95.0ms
(* y (* (- (pow z 2) t) 4.0))

series186.0ms

Counts
2 → 6
Calls
2 calls:
113.0ms
(- (* x x) (* y (* (- (pow z 2) t) 4.0)))
73.0ms
(* y (* (- (pow z 2) t) 4.0))

simplify3.3s

Counts
38 → 38
Iterations

Useful iterations: done (3.3s)

IterNodesCost
081600
1223560
2758480
33770474
done5001472

prune145.0ms

Pruning

6 alts after pruning (5 fresh and 1 done)

Merged error: 2.7b

localize30.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (* (* y 4.0) (sqrt (- (* z z) t))) (sqrt (- (* z z) t)))
0.3b
(* (* y 4.0) (sqrt (- (* z z) t)))
5.4b
(sqrt (- (* z z) t))
5.4b
(sqrt (- (* z z) t))

rewrite209.0ms

Algorithm
rewrite-expression-head
Rules
20×pow1
18×add-exp-log sqrt-div add-cbrt-cube
16×add-sqr-sqrt sqrt-prod
14×associate-*r*
10×add-cube-cbrt *-un-lft-identity associate-*r/
flip3-- pow-prod-down prod-exp flip-- cbrt-unprod
frac-times add-log-exp difference-of-squares
rem-sqrt-square sqrt-pow1 pow1/2 associate-*l* associate-*l/ *-commutative
Counts
4 → 89
Calls
4 calls:
137.0ms
(* (* (* y 4.0) (sqrt (- (* z z) t))) (sqrt (- (* z z) t)))
45.0ms
(* (* y 4.0) (sqrt (- (* z z) t)))
11.0ms
(sqrt (- (* z z) t))
12.0ms
(sqrt (- (* z z) t))

series295.0ms

Counts
4 → 12
Calls
4 calls:
93.0ms
(* (* (* y 4.0) (sqrt (- (* z z) t))) (sqrt (- (* z z) t)))
77.0ms
(* (* y 4.0) (sqrt (- (* z z) t)))
67.0ms
(sqrt (- (* z z) t))
57.0ms
(sqrt (- (* z z) t))

simplify2.5s

Counts
101 → 101
Iterations

Useful iterations: done (2.5s)

IterNodesCost
01361685
13681362
212971120
done50001116

prune323.0ms

Pruning

7 alts after pruning (5 fresh and 2 done)

Merged error: 2.7b

localize40.0ms

Local error

Found 4 expressions with local error:

5.4b
(sqrt (- (* z z) t))
5.4b
(sqrt (- (* z z) t))
5.4b
(sqrt (- (* z z) t))
5.4b
(sqrt (- (* z z) t))

rewrite74.0ms

Algorithm
rewrite-expression-head
Rules
16×add-sqr-sqrt sqrt-prod
pow1 add-cube-cbrt *-un-lft-identity sqrt-div
add-exp-log rem-sqrt-square flip3-- sqrt-pow1 pow1/2 add-cbrt-cube flip-- add-log-exp difference-of-squares
Counts
4 → 64
Calls
4 calls:
11.0ms
(sqrt (- (* z z) t))
11.0ms
(sqrt (- (* z z) t))
29.0ms
(sqrt (- (* z z) t))
21.0ms
(sqrt (- (* z z) t))

series323.0ms

Counts
4 → 12
Calls
4 calls:
75.0ms
(sqrt (- (* z z) t))
84.0ms
(sqrt (- (* z z) t))
75.0ms
(sqrt (- (* z z) t))
89.0ms
(sqrt (- (* z z) t))

simplify2.1s

Counts
76 → 76
Iterations

Useful iterations: 4 (388.0ms)

IterNodesCost
056816
1124728
2265664
3494656
41013652
52555652
done5000652

prune456.0ms

Pruning

7 alts after pruning (4 fresh and 3 done)

Merged error: 2.7b

regimes478.0ms

Accuracy

85.5% (0.5b remaining)

Error of 3.0b against oracle of 2.5b and baseline of 6.0b

bsearch165.0ms

Steps
ItersRangePoint
8
2.545703430091905e+149
1.2262819834048186e+154
6.75315246229018e+153
8
-1.769171722317776e+149
-1.7344183351890289e+146
-1.74920595474598e+149

simplify4.0ms

Iterations

Useful iterations: 1 (2.0ms)

IterNodesCost
02555
13439
done3439

end0.0ms

sample2.1s

Algorithm
intervals
Results
1.5s15607×body80valid