Details

Time bar (total: 35.7s)

sample330.0ms

Algorithm
intervals
Results
150.0ms1512×body80nan
79.0ms504×body80valid

simplify2.5s

Counts
1 → 1
Iterations
IterNodes
done5002
51717
4477
3179
271
133
017

prune39.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 0.8b

localize63.0ms

Local error

Found 4 expressions with local error:

0.1b
(* (- t 1.0) (log a))
0.3b
(* y (log z))
0.8b
(exp (- (+ (* y (log z)) (* (- t 1.0) (log a))) b))
1.0b
(/ (* x (exp (- (+ (* y (log z)) (* (- t 1.0) (log a))) b))) y)

rewrite379.0ms

Algorithm
rewrite-expression-head
Rules
29×add-sqr-sqrt
25×*-un-lft-identity
21×add-cube-cbrt
13×add-cbrt-cube
12×log-prod exp-sum add-exp-log
10×pow1 add-log-exp
prod-diff
associate-*r* associate-*l*
distribute-rgt-in distribute-lft-in
exp-prod
expm1-log1p-u log1p-expm1-u
associate-/r* times-frac prod-exp cbrt-unprod rem-exp-log
cbrt-undiv exp-diff diff-log div-exp pow-prod-down associate-*l/ log-pow *-commutative distribute-lft-out-- difference-of-squares unswap-sqr
clear-num sum-log sub-neg frac-2neg flip3-- associate--l+ associate-*r/ div-inv flip-- associate-/l* associate-/l/
Counts
4 → 112
Calls
4 calls:
32.0ms
(* (- t 1.0) (log a))
8.0ms
(* y (log z))
108.0ms
(exp (- (+ (* y (log z)) (* (- t 1.0) (log a))) b))
228.0ms
(/ (* x (exp (- (+ (* y (log z)) (* (- t 1.0) (log a))) b))) y)

series525.0ms

Counts
4 → 12
Calls
4 calls:
80.0ms
(* (- t 1.0) (log a))
47.0ms
(* y (log z))
167.0ms
(exp (- (+ (* y (log z)) (* (- t 1.0) (log a))) b))
231.0ms
(/ (* x (exp (- (+ (* y (log z)) (* (- t 1.0) (log a))) b))) y)

simplify2.0s

Counts
124 → 124
Iterations
IterNodes
done5001
21943
1621
0277

prune1.2s

Pruning

12 alts after pruning (12 fresh and 0 done)

Merged error: 0.6b

localize61.0ms

Local error

Found 4 expressions with local error:

0.1b
(fma (- t 1.0) (log a) (- (* y (log z)) b))
0.3b
(* y (log z))
0.3b
(* x (/ (exp (fma (- t 1.0) (log a) (- (* y (log z)) b))) y))
0.8b
(exp (fma (- t 1.0) (log a) (- (* y (log z)) b)))

rewrite59.0ms

Algorithm
rewrite-expression-head
Rules
25×add-sqr-sqrt
20×associate-*r*
18×*-un-lft-identity add-cube-cbrt
13×times-frac
11×add-cbrt-cube
10×add-exp-log
pow1
log-prod associate-*l*
fma-udef add-log-exp
expm1-log1p-u exp-sum log1p-expm1-u
distribute-rgt-in exp-prod distribute-lft-in prod-exp cbrt-unprod unswap-sqr
pow-prod-down *-commutative
cbrt-undiv div-exp associate-*r/ log-pow div-inv rem-exp-log
Counts
4 → 88
Calls
4 calls:
0.0ms
(fma (- t 1.0) (log a) (- (* y (log z)) b))
13.0ms
(* y (log z))
37.0ms
(* x (/ (exp (fma (- t 1.0) (log a) (- (* y (log z)) b))) y))
4.0ms
(exp (fma (- t 1.0) (log a) (- (* y (log z)) b)))

series668.0ms

Counts
4 → 12
Calls
4 calls:
164.0ms
(fma (- t 1.0) (log a) (- (* y (log z)) b))
66.0ms
(* y (log z))
281.0ms
(* x (/ (exp (fma (- t 1.0) (log a) (- (* y (log z)) b))) y))
158.0ms
(exp (fma (- t 1.0) (log a) (- (* y (log z)) b)))

simplify1.7s

Counts
100 → 100
Iterations
IterNodes
done5000
21402
1497
0206

prune1.0s

Pruning

15 alts after pruning (15 fresh and 0 done)

Merged error: 0.6b

localize126.0ms

Local error

Found 4 expressions with local error:

0.6b
(cbrt y)
0.8b
(exp (fma (- t 1.0) (log a) (- (* y (log z)) b)))
0.8b
(exp (fma (- t 1.0) (log a) (- (* y (log z)) b)))
0.8b
(exp (fma (- t 1.0) (log a) (- (* y (log z)) b)))

rewrite13.0ms

Algorithm
rewrite-expression-head
Rules
exp-prod
add-sqr-sqrt *-un-lft-identity add-cube-cbrt
add-log-exp
expm1-log1p-u pow1 add-cbrt-cube add-exp-log log1p-expm1-u
cbrt-prod exp-sum fma-udef rem-exp-log
pow1/3
Counts
4 → 55
Calls
4 calls:
1.0ms
(cbrt y)
3.0ms
(exp (fma (- t 1.0) (log a) (- (* y (log z)) b)))
3.0ms
(exp (fma (- t 1.0) (log a) (- (* y (log z)) b)))
3.0ms
(exp (fma (- t 1.0) (log a) (- (* y (log z)) b)))

series772.0ms

Counts
4 → 12
Calls
4 calls:
283.0ms
(cbrt y)
159.0ms
(exp (fma (- t 1.0) (log a) (- (* y (log z)) b)))
172.0ms
(exp (fma (- t 1.0) (log a) (- (* y (log z)) b)))
158.0ms
(exp (fma (- t 1.0) (log a) (- (* y (log z)) b)))

simplify2.1s

Counts
67 → 67
Iterations
IterNodes
done5000
31439
2490
1203
094

prune1.1s

Pruning

18 alts after pruning (17 fresh and 1 done)

Merged error: 0.5b

localize123.0ms

Local error

Found 4 expressions with local error:

0.6b
(cbrt y)
0.8b
(pow E (fma (- t 1.0) (log a) (- (* y (log z)) b)))
0.8b
(exp (fma (- t 1.0) (log a) (- (* y (log z)) b)))
0.8b
(exp (fma (- t 1.0) (log a) (- (* y (log z)) b)))

rewrite7.0ms

Algorithm
rewrite-expression-head
Rules
add-sqr-sqrt *-un-lft-identity add-cube-cbrt
exp-prod add-log-exp
pow1 add-exp-log
expm1-log1p-u add-cbrt-cube log1p-expm1-u
cbrt-prod pow-unpow unpow-prod-down fma-udef
exp-sum pow-exp rem-exp-log
pow-to-exp unpow-prod-up e-exp-1 pow-pow pow1/3 sqr-pow
Counts
4 → 62
Calls
4 calls:
1.0ms
(cbrt y)
2.0ms
(pow E (fma (- t 1.0) (log a) (- (* y (log z)) b)))
2.0ms
(exp (fma (- t 1.0) (log a) (- (* y (log z)) b)))
2.0ms
(exp (fma (- t 1.0) (log a) (- (* y (log z)) b)))

series816.0ms

Counts
4 → 12
Calls
4 calls:
243.0ms
(cbrt y)
198.0ms
(pow E (fma (- t 1.0) (log a) (- (* y (log z)) b)))
182.0ms
(exp (fma (- t 1.0) (log a) (- (* y (log z)) b)))
192.0ms
(exp (fma (- t 1.0) (log a) (- (* y (log z)) b)))

simplify2.9s

Counts
74 → 74
Iterations
IterNodes
done5007
31824
2653
1277
0123

prune994.0ms

Pruning

20 alts after pruning (19 fresh and 1 done)

Merged error: 0.5b

regimes3.5s

Accuracy

0% (0.5b remaining)

Error of 1.1b against oracle of 0.6b and baseline of 1.1b

bsearch0.0ms

simplify4.0ms

Iterations
IterNodes
done23
123
020

end0.0ms

sample12.8s

Algorithm
intervals
Results
6.9s46117×body80nan
2.5s15346×body80valid