Details

Time bar (total: 9.3s)

sample21.0ms

Algorithm
intervals
Results
8.0ms277×body80valid

simplify927.0ms

Counts
1 → 1
Iterations

Useful iterations: 2 (5.0ms)

IterNodesCost
01011
12011
23510
35710
49410
513710
618910
721510
824410
927810
1036410
1147910
1255310
1365110
1469110
done69110

prune6.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 1.6b

localize8.0ms

Local error

Found 3 expressions with local error:

0.0b
(+ x (* y (/ (- z t) (- a t))))
0.0b
(/ (- z t) (- a t))
2.9b
(* y (/ (- z t) (- a t)))

rewrite47.0ms

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:
2.0ms
(+ x (* y (/ (- z t) (- a t))))
12.0ms
(/ (- z t) (- a t))
25.0ms
(* y (/ (- z t) (- a t)))

series196.0ms

Counts
3 → 9
Calls
3 calls:
81.0ms
(+ x (* y (/ (- z t) (- a t))))
51.0ms
(/ (- z t) (- a t))
64.0ms
(* y (/ (- z t) (- a t)))

simplify1.7s

Counts
131 → 131
Iterations

Useful iterations: done (1.7s)

IterNodesCost
01681615
14341512
211691414
338361414
done50011410

prune307.0ms

Pruning

4 alts after pruning (3 fresh and 1 done)

Merged error: 0b

localize12.0ms

Local error

Found 4 expressions with local error:

2.9b
(* y (/ (- z t) (- a t)))
6.1b
(cbrt (* y (/ (- z t) (- a t))))
6.1b
(cbrt (* y (/ (- z t) (- a t))))
6.1b
(cbrt (* y (/ (- z t) (- a t))))

rewrite50.0ms

Algorithm
rewrite-expression-head
Rules
41×add-sqr-sqrt
36×*-un-lft-identity
31×associate-*r*
26×times-frac
16×add-cube-cbrt
10×distribute-lft-out-- difference-of-squares
add-exp-log add-cbrt-cube
pow1
expm1-log1p-u associate-*r/ log1p-expm1-u add-log-exp
cbrt-prod cbrt-div pow1/3 associate-*l*
prod-exp associate-/r/ cbrt-unprod unswap-sqr
cbrt-undiv flip3-- div-exp pow-prod-down *-commutative flip-- div-inv
Counts
4 → 88
Calls
4 calls:
25.0ms
(* y (/ (- z t) (- a t)))
7.0ms
(cbrt (* y (/ (- z t) (- a t))))
9.0ms
(cbrt (* y (/ (- z t) (- a t))))
7.0ms
(cbrt (* y (/ (- z t) (- a t))))

series732.0ms

Counts
4 → 12
Calls
4 calls:
69.0ms
(* y (/ (- z t) (- a t)))
221.0ms
(cbrt (* y (/ (- z t) (- a t))))
221.0ms
(cbrt (* y (/ (- z t) (- a t))))
221.0ms
(cbrt (* y (/ (- z t) (- a t))))

simplify1.4s

Counts
100 → 100
Iterations

Useful iterations: 3 (512.0ms)

IterNodesCost
01471258
13411204
29501081
331661060
done50001060

prune356.0ms

Pruning

4 alts after pruning (2 fresh and 2 done)

Merged error: 0b

localize9.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ y (- a t))
0.0b
(+ x (* 1 (* (- z t) (/ y (- a t)))))
10.5b
(* (- z t) (/ y (- a t)))

rewrite37.0ms

Algorithm
rewrite-expression-head
Rules
45×add-sqr-sqrt
41×*-un-lft-identity
31×times-frac
24×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--
expm1-log1p-u fma-def log1p-expm1-u 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-+ distribute-lft-out
Counts
3 → 104
Calls
3 calls:
5.0ms
(/ y (- a t))
3.0ms
(+ x (* 1 (* (- z t) (/ y (- a t)))))
26.0ms
(* (- z t) (/ y (- a t)))

series165.0ms

Counts
3 → 9
Calls
3 calls:
30.0ms
(/ y (- a t))
74.0ms
(+ x (* 1 (* (- z t) (/ y (- a t)))))
61.0ms
(* (- z t) (/ y (- a t)))

simplify920.0ms

Counts
113 → 113
Iterations

Useful iterations: 2 (157.0ms)

IterNodesCost
01641320
13941203
213881112
done50021112

prune286.0ms

Pruning

4 alts after pruning (1 fresh and 3 done)

Merged error: 0b

localize9.0ms

Local error

Found 3 expressions with local error:

0.0b
(+ x (* 1 (/ (* (- z t) y) (- a t))))
0.0b
(* (- z t) y)
13.0b
(/ (* (- z t) y) (- a t))

rewrite24.0ms

Algorithm
rewrite-expression-head
Rules
16×add-sqr-sqrt
15×*-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/
expm1-log1p-u flip3-- fma-def associate-*r* flip-- log1p-expm1-u 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 → 72
Calls
3 calls:
3.0ms
(+ x (* 1 (/ (* (- z t) y) (- a t))))
10.0ms
(* (- z t) y)
9.0ms
(/ (* (- z t) y) (- a t))

series164.0ms

Counts
3 → 9
Calls
3 calls:
72.0ms
(+ x (* 1 (/ (* (- z t) y) (- a t))))
28.0ms
(* (- z t) y)
64.0ms
(/ (* (- z t) y) (- a t))

simplify966.0ms

Counts
81 → 81
Iterations

Useful iterations: 2 (156.0ms)

IterNodesCost
0134908
1358817
21323739
done5001739

prune196.0ms

Pruning

4 alts after pruning (0 fresh and 4 done)

Merged error: 0b

regimes230.0ms

Accuracy

72% (0.4b remaining)

Error of 0.4b against oracle of 0.0b and baseline of 1.4b

bsearch84.0ms

Steps
ItersRangePoint
10
7.718438273946194e-67
3.717778876106761e-57
1.5536369793631163e-59
8
-0.45524636210937885
-2.6144342760244743e-05
-0.0008842112394086992

simplify3.0ms

Iterations

Useful iterations: 1 (1.0ms)

IterNodesCost
02143
13131
done3131

end0.0ms

sample527.0ms

Algorithm
intervals
Results
267.0ms8723×body80valid