Details

Time bar (total: 7.9s)

sample23.0ms

Algorithm
intervals
Results
9.0ms339×body80valid

simplify1.4s

Counts
1 → 1
Iterations

Useful iterations: 3 (7.0ms)

IterNodesCost
099
1159
2269
3498
4898
51408
61868
72328
83078
93988
106308
118408
129678
139938
done9938

prune6.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 0.1b

localize7.0ms

Local error

Found 1 expressions with local error:

4.2b
(fma (/ y a) (- z t) x)

rewrite1.0ms

Algorithm
rewrite-expression-head
Rules
pow1 add-exp-log add-sqr-sqrt expm1-log1p-u add-cube-cbrt *-un-lft-identity add-cbrt-cube fma-udef log1p-expm1-u add-log-exp
Counts
1 → 10
Calls
1 calls:
0.0ms
(fma (/ y a) (- z t) x)

series40.0ms

Counts
1 → 3
Calls
1 calls:
40.0ms
(fma (/ y a) (- z t) x)

simplify701.0ms

Counts
13 → 13
Iterations

Useful iterations: 3 (25.0ms)

IterNodesCost
024154
141154
292138
3221123
41092123
done5000123

prune40.0ms

Pruning

5 alts after pruning (4 fresh and 1 done)

Merged error: 0.0b

localize7.0ms

Local error

Found 3 expressions with local error:

0.0b
(+ (/ (* y (- z t)) a) x)
0.0b
(* y (- z t))
4.9b
(/ (* y (- z t)) a)

rewrite41.0ms

Algorithm
rewrite-expression-head
Rules
25×add-sqr-sqrt *-un-lft-identity
21×add-cube-cbrt
18×prod-diff
11×distribute-rgt-in distribute-lft-in
10×add-exp-log add-cbrt-cube
fma-def
times-frac
pow1 associate-*r* add-log-exp
associate-*r/
expm1-log1p-u associate-*l* associate-/r* log1p-expm1-u
cbrt-undiv sub-neg flip3-- div-exp prod-exp flip-- cbrt-unprod div-inv associate-/l/
+-commutative frac-2neg flip3-+ pow-prod-down clear-num sum-log *-commutative flip-+ distribute-lft-out associate-/l* distribute-lft-out-- difference-of-squares unswap-sqr
Counts
3 → 92
Calls
3 calls:
17.0ms
(+ (/ (* y (- z t)) a) x)
11.0ms
(* y (- z t))
10.0ms
(/ (* y (- z t)) a)

series130.0ms

Counts
3 → 9
Calls
3 calls:
47.0ms
(+ (/ (* y (- z t)) a) x)
37.0ms
(* y (- z t))
45.0ms
(/ (* y (- z t)) a)

simplify660.0ms

Counts
101 → 101
Iterations

Useful iterations: 2 (120.0ms)

IterNodesCost
01701262
13921061
21510863
done5000863

prune186.0ms

Pruning

6 alts after pruning (4 fresh and 2 done)

Merged error: 0b

localize11.0ms

Local error

Found 4 expressions with local error:

0.6b
(cbrt a)
0.6b
(cbrt a)
0.6b
(* (cbrt a) (cbrt a))
5.9b
(* (/ y (* (cbrt a) (cbrt a))) (/ (- z t) (cbrt a)))

rewrite46.0ms

Algorithm
rewrite-expression-head
Rules
69×add-sqr-sqrt
45×*-un-lft-identity
40×times-frac associate-*r*
39×cbrt-prod
33×add-cube-cbrt
27×add-exp-log
18×add-cbrt-cube
13×pow1 associate-*l*
10×unswap-sqr
prod-exp cbrt-unprod
pow1/3
cbrt-undiv div-exp
swap-sqr distribute-lft-out-- difference-of-squares
expm1-log1p-u log1p-expm1-u add-log-exp
pow-prod-down
pow-sqr *-commutative pow-prod-up div-inv
pow2 frac-times pow-plus associate-*r/ associate-*l/
Counts
4 → 141
Calls
4 calls:
0.0ms
(cbrt a)
0.0ms
(cbrt a)
5.0ms
(* (cbrt a) (cbrt a))
34.0ms
(* (/ y (* (cbrt a) (cbrt a))) (/ (- z t) (cbrt a)))

series637.0ms

Counts
4 → 12
Calls
4 calls:
179.0ms
(cbrt a)
177.0ms
(cbrt a)
192.0ms
(* (cbrt a) (cbrt a))
88.0ms
(* (/ y (* (cbrt a) (cbrt a))) (/ (- z t) (cbrt a)))

simplify1.0s

Counts
153 → 153
Iterations

Useful iterations: done (1.0s)

IterNodesCost
01991895
15551784
229281372
done50001364

prune420.0ms

Pruning

6 alts after pruning (3 fresh and 3 done)

Merged error: 0b

localize7.0ms

Local error

Found 3 expressions with local error:

0.0b
(+ (/ y (/ a (- z t))) x)
0.0b
(/ a (- z t))
5.4b
(/ y (/ a (- z t)))

rewrite87.0ms

Algorithm
rewrite-expression-head
Rules
246×times-frac
172×*-un-lft-identity
170×add-sqr-sqrt
120×add-cube-cbrt
68×fma-def
26×associate-/r*
25×distribute-lft-out-- difference-of-squares
18×associate-/r/
10×add-exp-log add-cbrt-cube div-inv
flip3-- flip--
associate-/l*
add-log-exp
cbrt-undiv div-exp
pow1 expm1-log1p-u log1p-expm1-u
frac-2neg clear-num
+-commutative flip3-+ sum-log flip-+ distribute-lft-out
Counts
3 → 225
Calls
3 calls:
60.0ms
(+ (/ y (/ a (- z t))) x)
5.0ms
(/ a (- z t))
9.0ms
(/ y (/ a (- z t)))

series130.0ms

Counts
3 → 9
Calls
3 calls:
48.0ms
(+ (/ y (/ a (- z t))) x)
27.0ms
(/ a (- z t))
55.0ms
(/ y (/ a (- z t)))

simplify700.0ms

Counts
234 → 234
Iterations

Useful iterations: 2 (171.0ms)

IterNodesCost
02512339
15662186
223492093
done50012093

prune629.0ms

Pruning

6 alts after pruning (2 fresh and 4 done)

Merged error: 0b

regimes290.0ms

Accuracy

64.2% (1.2b remaining)

Error of 1.2b against oracle of 0.0b and baseline of 3.3b

bsearch61.0ms

Steps
ItersRangePoint
8
3.713066983026811e+65
6.642013340869958e+68
3.7574005919343346e+65
6
-2.6747694130275977e+104
-4.940402320025422e+103
-1.3995028580527438e+104

simplify3.0ms

Iterations

Useful iterations: 1 (1.0ms)

IterNodesCost
02236
12734
22934
done2934

end0.0ms

sample642.0ms

Algorithm
intervals
Results
309.0ms10663×body80valid