Details

Time bar (total: 6.8s)

sample21.0ms

Algorithm
intervals
Results
9.0ms289×body80valid

simplify661.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
01011
11711
23511
35911
49411
512011
614611
716511
818711
923211
1032411
1148111
1250911
1352811
1453011
done53011

prune2.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 7.4b

localize8.0ms

Local error

Found 3 expressions with local error:

0.0b
(+ x (/ (* (- y z) t) (- a z)))
0.0b
(* (- y z) t)
7.6b
(/ (* (- y z) t) (- a z))

rewrite30.0ms

Algorithm
rewrite-expression-head
Rules
15×add-sqr-sqrt *-un-lft-identity
10×add-exp-log add-cbrt-cube
add-cube-cbrt
pow1 times-frac associate-*l* associate-/r* add-log-exp
associate-*l/
flip3-- associate-*r* flip-- distribute-lft-out-- difference-of-squares
cbrt-undiv div-exp prod-exp associate-/r/ cbrt-unprod associate-/l/
+-commutative frac-2neg flip3-+ pow-prod-down clear-num sum-log *-commutative flip-+ div-inv distribute-lft-out associate-/l* unswap-sqr
Counts
3 → 63
Calls
3 calls:
10.0ms
(+ x (/ (* (- y z) t) (- a z)))
9.0ms
(* (- y z) t)
9.0ms
(/ (* (- y z) t) (- a z))

series169.0ms

Counts
3 → 9
Calls
3 calls:
73.0ms
(+ x (/ (* (- y z) t) (- a z)))
30.0ms
(* (- y z) t)
65.0ms
(/ (* (- y z) t) (- a z))

simplify585.0ms

Counts
72 → 72
Iterations

Useful iterations: 2 (123.0ms)

IterNodesCost
0124812
1326763
21203685
done5001685

prune178.0ms

Pruning

6 alts after pruning (5 fresh and 1 done)

Merged error: 0b

localize8.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ t (- a z))
0.0b
(+ x (* (- y z) (/ t (- a z))))
11.0b
(* (- y z) (/ t (- a z)))

rewrite36.0ms

Algorithm
rewrite-expression-head
Rules
44×add-sqr-sqrt
39×*-un-lft-identity
31×times-frac
23×add-cube-cbrt
21×associate-*r*
10×add-exp-log add-cbrt-cube
distribute-lft-out-- difference-of-squares
pow1 associate-*l* associate-/r* add-log-exp
flip3-- associate-/r/ flip--
associate-/l*
cbrt-undiv frac-times div-exp associate-*l/ prod-exp cbrt-unprod div-inv unswap-sqr
+-commutative frac-2neg flip3-+ associate-*r/ pow-prod-down clear-num sum-log *-commutative flip-+
Counts
3 → 94
Calls
3 calls:
5.0ms
(/ t (- a z))
3.0ms
(+ x (* (- y z) (/ t (- a z))))
22.0ms
(* (- y z) (/ t (- a z)))

series166.0ms

Counts
3 → 9
Calls
3 calls:
28.0ms
(/ t (- a z))
75.0ms
(+ x (* (- y z) (/ t (- a z))))
63.0ms
(* (- y z) (/ t (- a z)))

simplify594.0ms

Counts
103 → 103
Iterations

Useful iterations: 2 (165.0ms)

IterNodesCost
01541213
13661138
213001060
done50021060

prune252.0ms

Pruning

6 alts after pruning (4 fresh and 2 done)

Merged error: 0b

localize10.0ms

Local error

Found 4 expressions with local error:

0.0b
(+ x (/ 1 (/ (- a z) (* (- y z) t))))
0.0b
(* (- y z) t)
0.5b
(/ 1 (/ (- a z) (* (- y z) t)))
7.4b
(/ (- a z) (* (- y z) t))

rewrite62.0ms

Algorithm
rewrite-expression-head
Rules
58×times-frac
45×*-un-lft-identity
44×add-sqr-sqrt
32×add-exp-log
28×add-cube-cbrt
20×add-cbrt-cube
14×div-exp
12×associate-*l/ associate-/r*
11×associate-/r/
associate-/l*
pow1 cbrt-undiv flip3-- flip-- div-inv distribute-lft-out-- difference-of-squares
add-log-exp
associate-*l* prod-exp
rec-exp 1-exp associate-*r* cbrt-unprod
frac-2neg clear-num associate-/l/ distribute-lft-out
+-commutative pow-flip flip3-+ div-sub pow-prod-down sum-log *-commutative flip-+ inv-pow unswap-sqr
Counts
4 → 137
Calls
4 calls:
23.0ms
(+ x (/ 1 (/ (- a z) (* (- y z) t))))
10.0ms
(* (- y z) t)
14.0ms
(/ 1 (/ (- a z) (* (- y z) t)))
10.0ms
(/ (- a z) (* (- y z) t))

series434.0ms

Counts
4 → 12
Calls
4 calls:
168.0ms
(+ x (/ 1 (/ (- a z) (* (- y z) t))))
31.0ms
(* (- y z) t)
154.0ms
(/ 1 (/ (- a z) (* (- y z) t)))
82.0ms
(/ (- a z) (* (- y z) t))

simplify690.0ms

Counts
149 → 149
Iterations

Useful iterations: done (686.0ms)

IterNodesCost
02142183
15281958
216591708
done50001700

prune293.0ms

Pruning

5 alts after pruning (2 fresh and 3 done)

Merged error: 0b

localize9.0ms

Local error

Found 3 expressions with local error:

0.0b
(+ (/ t (/ (- a z) (- y z))) x)
0.0b
(/ (- a z) (- y z))
3.0b
(/ t (/ (- a z) (- y z)))

rewrite114.0ms

Algorithm
rewrite-expression-head
Rules
218×times-frac
197×*-un-lft-identity
195×add-sqr-sqrt
91×add-cube-cbrt
52×distribute-lft-out-- difference-of-squares
36×associate-/r*
11×associate-/r/
10×add-exp-log add-cbrt-cube
associate-/l*
flip3-- flip-- div-inv
add-log-exp
cbrt-undiv div-exp
pow1
frac-2neg clear-num associate-/l/
+-commutative flip3-+ div-sub sum-log flip-+ distribute-lft-out
Counts
3 → 206
Calls
3 calls:
76.0ms
(+ (/ t (/ (- a z) (- y z))) x)
10.0ms
(/ (- a z) (- y z))
14.0ms
(/ t (/ (- a z) (- y z)))

series407.0ms

Counts
3 → 9
Calls
3 calls:
211.0ms
(+ (/ t (/ (- a z) (- y z))) x)
50.0ms
(/ (- a z) (- y z))
146.0ms
(/ t (/ (- a z) (- y z)))

simplify776.0ms

Counts
215 → 215
Iterations

Useful iterations: 2 (268.0ms)

IterNodesCost
02923733
16983492
223553386
done50003386

prune522.0ms

Pruning

5 alts after pruning (1 fresh and 4 done)

Merged error: 0b

regimes210.0ms

Accuracy

71.1% (0.4b remaining)

Error of 0.4b against oracle of 0.0b and baseline of 1.3b

bsearch1.0ms

simplify2.0ms

Iterations

Useful iterations: 1 (1.0ms)

IterNodesCost
01957
12647
done2647

end0.0ms

sample539.0ms

Algorithm
intervals
Results
280.0ms8764×body80valid