Details

Time bar (total: 23.9s)

sample74.0ms

Algorithm
intervals
Results
28.0ms222×body80valid
5.0ms13×body1280valid
4.0ms15×body640valid
4.0ms16×body320valid
1.0msbody160valid

simplify13.0s

Counts
1 → 1
Iterations

Useful iterations: 4 (80.0ms)

IterNodesCost
01113
12213
25213
310913
420312
545112
674812
7107812
8140012
9165512
10215312
11268312
12384712
done500112

prune13.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 12.4b

localize19.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ (- t z) (- a t))
3.2b
(fma (/ (- t z) (- a t)) y (+ x y))

rewrite35.0ms

Algorithm
rewrite-expression-head
Rules
38×add-sqr-sqrt *-un-lft-identity
25×times-frac
14×add-cube-cbrt
12×distribute-lft-out-- difference-of-squares
associate-/r* associate-/l*
add-exp-log add-cbrt-cube
pow1 expm1-log1p-u flip3-- associate-/r/ flip-- log1p-expm1-u associate-/l/ add-log-exp
cbrt-undiv frac-2neg div-sub div-exp clear-num fma-udef div-inv
Counts
2 → 64
Calls
2 calls:
24.0ms
(/ (- t z) (- a t))
8.0ms
(fma (/ (- t z) (- a t)) y (+ x y))

series298.0ms

Counts
2 → 6
Calls
2 calls:
56.0ms
(/ (- t z) (- a t))
242.0ms
(fma (/ (- t z) (- a t)) y (+ x y))

simplify1.5s

Counts
70 → 70
Iterations

Useful iterations: 3 (397.0ms)

IterNodesCost
0113906
1258878
2622826
31643824
done5000824

prune254.0ms

Pruning

13 alts after pruning (13 fresh and 0 done)

Merged error: 3.4b

localize15.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ (- t z) (- a t))
2.2b
(* (/ (- t z) (- a t)) y)
2.2b
(+ (* (/ (- t z) (- a t)) y) (+ x y))

rewrite151.0ms

Algorithm
rewrite-expression-head
Rules
76×add-sqr-sqrt
71×*-un-lft-identity
51×times-frac
31×associate-*l*
27×add-cube-cbrt
22×distribute-lft-out-- difference-of-squares
10×add-exp-log add-cbrt-cube
add-log-exp
pow1 associate-/r* associate-/l*
associate-/r/
expm1-log1p-u flip3-- associate-*r* associate-*l/ sum-log flip-- log1p-expm1-u
cbrt-undiv flip3-+ div-exp frac-add prod-exp cbrt-unprod flip-+ div-inv associate-/l/ unswap-sqr
+-commutative associate-+r+ fma-def frac-2neg div-sub pow-prod-down clear-num *-commutative
Counts
3 → 124
Calls
3 calls:
35.0ms
(/ (- t z) (- a t))
71.0ms
(* (/ (- t z) (- a t)) y)
36.0ms
(+ (* (/ (- t z) (- a t)) y) (+ x y))

series470.0ms

Counts
3 → 9
Calls
3 calls:
62.0ms
(/ (- t z) (- a t))
133.0ms
(* (/ (- t z) (- a t)) y)
274.0ms
(+ (* (/ (- t z) (- a t)) y) (+ x y))

simplify1.1s

Counts
133 → 133
Iterations

Useful iterations: done (1.1s)

IterNodesCost
01951736
15411646
216521560
done50011549

prune394.0ms

Pruning

13 alts after pruning (12 fresh and 1 done)

Merged error: 3.4b

localize17.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ y (- a t))
3.5b
(+ (* (- t z) (/ y (- a t))) (+ x y))
9.1b
(* (- t z) (/ y (- a t)))

rewrite121.0ms

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 frac-add add-cbrt-cube
flip3-- flip-- distribute-lft-out-- add-log-exp difference-of-squares
frac-times flip3-+ associate-*l/ flip-+
pow1 associate-*l* associate-/r*
associate-/r/
expm1-log1p-u associate-*r/ sum-log log1p-expm1-u associate-/l*
cbrt-undiv div-exp prod-exp cbrt-unprod div-inv unswap-sqr
+-commutative associate-+r+ fma-def frac-2neg pow-prod-down clear-num *-commutative
Counts
3 → 113
Calls
3 calls:
21.0ms
(/ y (- a t))
32.0ms
(+ (* (- t z) (/ y (- a t))) (+ x y))
61.0ms
(* (- t z) (/ y (- a t)))

series311.0ms

Counts
3 → 9
Calls
3 calls:
49.0ms
(/ y (- a t))
187.0ms
(+ (* (- t z) (/ y (- a t))) (+ x y))
75.0ms
(* (- t z) (/ y (- a t)))

simplify1.7s

Counts
122 → 122
Iterations

Useful iterations: done (1.7s)

IterNodesCost
02141838
16351681
227501605
done50001603

prune371.0ms

Pruning

13 alts after pruning (11 fresh and 2 done)

Merged error: 3.4b

localize13.0ms

Local error

Found 4 expressions with local error:

0.0b
(/ 1 (- a t))
0.2b
(* y (/ 1 (- a t)))
5.2b
(+ (* (- t z) (* y (/ 1 (- a t)))) (+ x y))
9.1b
(* (- t z) (* y (/ 1 (- a t))))

rewrite162.0ms

Algorithm
rewrite-expression-head
Rules
48×add-sqr-sqrt
42×*-un-lft-identity
32×add-exp-log times-frac
25×add-cube-cbrt
22×associate-*r*
20×add-cbrt-cube
16×associate-*r/ frac-add
13×prod-exp
12×pow1 frac-times
11×flip3-- flip--
10×un-div-inv
flip3-+ flip-+ add-log-exp
associate-*l* distribute-lft-out-- difference-of-squares
cbrt-unprod
div-exp associate-*l/
associate-/r*
expm1-log1p-u pow-prod-down associate-/r/ log1p-expm1-u
cbrt-undiv rec-exp 1-exp sum-log associate-/l* unswap-sqr
*-commutative div-inv
+-commutative associate-+r+ pow-flip fma-def frac-2neg clear-num inv-pow
Counts
4 → 155
Calls
4 calls:
13.0ms
(/ 1 (- a t))
30.0ms
(* y (/ 1 (- a t)))
55.0ms
(+ (* (- t z) (* y (/ 1 (- a t)))) (+ x y))
57.0ms
(* (- t z) (* y (/ 1 (- a t))))

series315.0ms

Counts
4 → 12
Calls
4 calls:
50.0ms
(/ 1 (- a t))
43.0ms
(* y (/ 1 (- a t)))
157.0ms
(+ (* (- t z) (* y (/ 1 (- a t)))) (+ x y))
65.0ms
(* (- t z) (* y (/ 1 (- a t))))

simplify1.3s

Counts
167 → 167
Iterations

Useful iterations: done (1.3s)

IterNodesCost
02542593
17232102
226501958
done50021956

prune388.0ms

Pruning

13 alts after pruning (10 fresh and 3 done)

Merged error: 3.4b

regimes422.0ms

Accuracy

40.9% (5.3b remaining)

Error of 8.3b against oracle of 3.0b and baseline of 11.9b

bsearch94.0ms

Steps
ItersRangePoint
9
2.9580431597534113e+125
8.558334221433006e+131
1.5452334731429416e+127
8
-1.4169071298207385e+152
-4.961101422106634e+147
-8.502960241995041e+149

simplify4.0ms

Iterations

Useful iterations: 1 (2.0ms)

IterNodesCost
01933
12528
done2528

end0.0ms

sample1.4s

Algorithm
intervals
Results
556.0ms7303×body80valid
114.0ms460×body640valid
70.0ms371×body320valid
64.0ms252×body1280valid
61.0ms282×body160valid
6.0ms21×body2560valid