Details

Time bar (total: 21.4s)

sample52.0ms

Algorithm
intervals
Results
19.0ms275×body80valid

simplify3.8s

Counts
1 → 1
Iterations

Useful iterations: 2 (12.0ms)

IterNodesCost
01011
12111
23710
36010
410510
518010
630410
736010
844810
971310
10124110
11353710
done500010

prune21.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 1.1b

localize24.0ms

Local error

Found 3 expressions with local error:

0.0b
(+ x (* y (/ (- z t) (- z a))))
0.0b
(/ (- z t) (- z a))
1.6b
(* y (/ (- z t) (- z a)))

rewrite172.0ms

Algorithm
rewrite-expression-head
Rules
77×add-sqr-sqrt
72×*-un-lft-identity
51×times-frac
31×associate-*r*
28×add-cube-cbrt
22×distribute-lft-out-- difference-of-squares
10×add-exp-log add-cbrt-cube
pow1 associate-/r* associate-/l* add-log-exp
associate-/r/
expm1-log1p-u flip3-- fma-def associate-*l* flip-- log1p-expm1-u
cbrt-undiv div-exp 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 → 122
Calls
3 calls:
14.0ms
(+ x (* y (/ (- z t) (- z a))))
45.0ms
(/ (- z t) (- z a))
98.0ms
(* y (/ (- z t) (- z a)))

series357.0ms

Counts
3 → 9
Calls
3 calls:
143.0ms
(+ x (* y (/ (- z t) (- z a))))
95.0ms
(/ (- z t) (- z a))
119.0ms
(* y (/ (- z t) (- z a)))

simplify1.3s

Counts
131 → 131
Iterations

Useful iterations: done (1.3s)

IterNodesCost
01681615
14601524
218251420
done50021414

prune828.0ms

Pruning

6 alts after pruning (6 fresh and 0 done)

Merged error: 0b

localize36.0ms

Local error

Found 3 expressions with local error:

0.0b
(+ x (* y (/ (- (- z t)) (- (- z a)))))
0.0b
(/ (- (- z t)) (- (- z a)))
1.6b
(* y (/ (- (- z t)) (- (- z a))))

rewrite354.0ms

Algorithm
rewrite-expression-head
Rules
417×add-sqr-sqrt
412×*-un-lft-identity
393×times-frac
290×distribute-lft-neg-in distribute-rgt-neg-in
202×associate-*r*
180×add-cube-cbrt
116×distribute-lft-out-- difference-of-squares
58×neg-mul-1
14×associate-/r* associate-/l*
10×add-exp-log add-cbrt-cube
distribute-neg-frac
pow1 add-log-exp
distribute-frac-neg associate-/r/
expm1-log1p-u flip3-- fma-def associate-*l* distribute-rgt-neg-out flip-- log1p-expm1-u
cbrt-undiv div-exp prod-exp cbrt-unprod div-inv associate-/l/ unswap-sqr
+-commutative neg-sub0 frac-2neg flip3-+ div-sub associate-*r/ unsub-neg pow-prod-down clear-num sum-log *-commutative flip-+
Counts
3 → 486
Calls
3 calls:
12.0ms
(+ x (* y (/ (- (- z t)) (- (- z a)))))
69.0ms
(/ (- (- z t)) (- (- z a)))
221.0ms
(* y (/ (- (- z t)) (- (- z a))))

series330.0ms

Counts
3 → 9
Calls
3 calls:
139.0ms
(+ x (* y (/ (- (- z t)) (- (- z a)))))
65.0ms
(/ (- (- z t)) (- (- z a)))
126.0ms
(* y (/ (- (- z t)) (- (- z a))))

simplify1.1s

Counts
495 → 495
Iterations

Useful iterations: done (1.1s)

IterNodesCost
04877445
113867011
done50016824

prune2.3s

Pruning

5 alts after pruning (4 fresh and 1 done)

Merged error: 0b

localize41.0ms

Local error

Found 4 expressions with local error:

0.6b
(cbrt (- z a))
0.6b
(cbrt (- z a))
0.6b
(cbrt (- z a))
6.2b
(* (* y (/ -1 (- (* (cbrt (- z a)) (cbrt (- z a)))))) (/ (- z t) (cbrt (- z a))))

rewrite166.0ms

Algorithm
rewrite-expression-head
Rules
58×add-sqr-sqrt *-un-lft-identity
46×associate-*r*
40×cbrt-prod times-frac
26×add-cube-cbrt
25×add-exp-log
22×add-cbrt-cube
16×distribute-lft-out-- difference-of-squares
10×prod-exp cbrt-unprod
pow1
cbrt-div
cbrt-undiv div-exp
expm1-log1p-u flip3-- flip-- log1p-expm1-u add-log-exp
pow1/3 associate-*r/ pow-prod-down
associate-/r/
frac-times associate-*l* associate-*l/ *-commutative div-inv
Counts
4 → 125
Calls
4 calls:
4.0ms
(cbrt (- z a))
4.0ms
(cbrt (- z a))
8.0ms
(cbrt (- z a))
143.0ms
(* (* y (/ -1 (- (* (cbrt (- z a)) (cbrt (- z a)))))) (/ (- z t) (cbrt (- z a))))

series1.0s

Counts
4 → 12
Calls
4 calls:
242.0ms
(cbrt (- z a))
284.0ms
(cbrt (- z a))
267.0ms
(cbrt (- z a))
238.0ms
(* (* y (/ -1 (- (* (cbrt (- z a)) (cbrt (- z a)))))) (/ (- z t) (cbrt (- z a))))

simplify2.9s

Counts
137 → 137
Iterations

Useful iterations: done (2.9s)

IterNodesCost
02072706
16272603
239002219
done50002164

prune973.0ms

Pruning

5 alts after pruning (3 fresh and 2 done)

Merged error: 0b

localize24.0ms

Local error

Found 3 expressions with local error:

0.0b
(+ x (/ (* y (- (- z t))) (- (- z a))))
0.0b
(* y (- (- z t)))
11.9b
(/ (* y (- (- z t))) (- (- z a)))

rewrite183.0ms

Algorithm
rewrite-expression-head
Rules
40×add-sqr-sqrt *-un-lft-identity
26×add-cube-cbrt
22×distribute-neg-in
18×prod-diff
15×distribute-lft-neg-in distribute-rgt-neg-in
14×times-frac associate-*r* associate-/r*
11×distribute-rgt-in distribute-lft-in
10×add-exp-log add-cbrt-cube
distribute-neg-frac distribute-lft-out-- difference-of-squares
pow1 add-log-exp
associate-*r/ distribute-rgt-neg-out
expm1-log1p-u neg-mul-1 flip3-- fma-def distribute-frac-neg associate-*l* flip-- log1p-expm1-u
cbrt-undiv sub-neg div-exp prod-exp associate-/r/ cbrt-unprod associate-/l/
+-commutative frac-2neg flip3-+ unsub-neg pow-prod-down clear-num sum-log *-commutative flip-+ div-inv distribute-lft-out associate-/l* unswap-sqr
Counts
3 → 125
Calls
3 calls:
58.0ms
(+ x (/ (* y (- (- z t))) (- (- z a))))
48.0ms
(* y (- (- z t)))
72.0ms
(/ (* y (- (- z t))) (- (- z a)))

series321.0ms

Counts
3 → 9
Calls
3 calls:
145.0ms
(+ x (/ (* y (- (- z t))) (- (- z a))))
53.0ms
(* y (- (- z t)))
123.0ms
(/ (* y (- (- z t))) (- (- z a)))

simplify2.2s

Counts
134 → 134
Iterations

Useful iterations: done (2.2s)

IterNodesCost
02481896
16741645
230181462
done50011422

prune625.0ms

Pruning

5 alts after pruning (2 fresh and 3 done)

Merged error: 0b

regimes572.0ms

Accuracy

36.9% (0.9b remaining)

Error of 0.9b against oracle of 0.0b and baseline of 1.4b

bsearch111.0ms

Steps
ItersRangePoint
9
8.931192701332034e-10
6.910177667229134e-05
1.4513944166191972e-07
7
-2.3315662235569937e+89
-3.21116155890472e+87
-3.2594727633548683e+87

simplify8.0ms

Iterations

Useful iterations: 1 (2.0ms)

IterNodesCost
02147
13235
24235
34535
done4535

end0.0ms

sample1.6s

Algorithm
intervals
Results
978.0ms8713×body80valid
0.0msbody1280valid
0.0msbody160valid