Details

Time bar (total: 1.6m)

sample56.0ms

Algorithm
intervals
Results
26.0ms269×body80valid
1.0msbody640valid
0.0msbody1280valid
0.0msbody160valid

simplify14.1s

Counts
1 → 1
Iterations
IterNodes
done5000
53028
4928
3321
2146
154
012

prune100.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 6.9b

localize55.0ms

Local error

Found 4 expressions with local error:

0.0b
(tanh (/ t y))
0.0b
(tanh (/ x y))
0.1b
(- (tanh (/ t y)) (tanh (/ x y)))
6.6b
(fma (- (tanh (/ t y)) (tanh (/ x y))) (* z y) x)

rewrite61.0ms

Algorithm
rewrite-expression-head
Rules
13×add-sqr-sqrt *-un-lft-identity
11×add-cube-cbrt
prod-diff frac-sub
tanh-def
add-log-exp
pow1 add-exp-log expm1-log1p-u add-cbrt-cube log1p-expm1-u
fma-neg
sub-neg flip3-- diff-log flip-- fma-udef distribute-lft-out-- difference-of-squares
Counts
4 → 71
Calls
4 calls:
4.0ms
(tanh (/ t y))
4.0ms
(tanh (/ x y))
48.0ms
(- (tanh (/ t y)) (tanh (/ x y)))
1.0ms
(fma (- (tanh (/ t y)) (tanh (/ x y))) (* z y) x)

series2.9s

Counts
4 → 12
Calls
4 calls:
467.0ms
(tanh (/ t y))
587.0ms
(tanh (/ x y))
1.0s
(- (tanh (/ t y)) (tanh (/ x y)))
808.0ms
(fma (- (tanh (/ t y)) (tanh (/ x y))) (* z y) x)

simplify8.2s

Counts
83 → 83
Iterations
IterNodes
done5001
21502
1457
0163

prune2.8s

Pruning

3 alts after pruning (2 fresh and 1 done)

Merged error: 0.0b

localize22.0ms

Local error

Found 2 expressions with local error:

0.0b
(+ x (* z (- t x)))
0.0b
(* z (- t x))

rewrite582.0ms

Algorithm
rewrite-expression-head
Rules
36×prod-diff
33×add-sqr-sqrt
31×*-un-lft-identity
29×add-cube-cbrt
22×distribute-rgt-in associate-+r+ distribute-lft-in
associate-*r*
pow1 add-exp-log sub-neg add-cbrt-cube add-log-exp
fma-def associate-*l*
expm1-log1p-u associate-*r/ log1p-expm1-u
+-commutative flip3-- flip3-+ pow-prod-down prod-exp sum-log *-commutative flip-- cbrt-unprod flip-+ distribute-lft-out-- difference-of-squares unswap-sqr
Counts
2 → 84
Calls
2 calls:
22.0ms
(+ x (* z (- t x)))
87.0ms
(* z (- t x))

series276.0ms

Counts
2 → 6
Calls
2 calls:
121.0ms
(+ x (* z (- t x)))
155.0ms
(* z (- t x))

simplify13.0s

Counts
90 → 90
Iterations
IterNodes
done5000
33187
2801
1329
0143

prune1.4s

Pruning

4 alts after pruning (2 fresh and 2 done)

Merged error: 0.0b

localize184.0ms

Local error

Found 4 expressions with local error:

0.6b
(cbrt x)
0.6b
(cbrt x)
0.6b
(cbrt x)
61.3b
(fma (- (cbrt x)) (* (cbrt x) (cbrt x)) (* (cbrt x) (* (cbrt x) (cbrt x))))

rewrite9.0ms

Algorithm
rewrite-expression-head
Rules
cbrt-prod
add-sqr-sqrt add-cube-cbrt *-un-lft-identity
pow1 add-exp-log expm1-log1p-u add-cbrt-cube log1p-expm1-u add-log-exp
pow1/3
fma-udef
Counts
4 → 49
Calls
4 calls:
2.0ms
(cbrt x)
2.0ms
(cbrt x)
2.0ms
(cbrt x)
2.0ms
(fma (- (cbrt x)) (* (cbrt x) (cbrt x)) (* (cbrt x) (* (cbrt x) (cbrt x))))

series4.6s

Counts
4 → 12
Calls
4 calls:
521.0ms
(cbrt x)
1.1s
(cbrt x)
487.0ms
(cbrt x)
2.5s
(fma (- (cbrt x)) (* (cbrt x) (cbrt x)) (* (cbrt x) (* (cbrt x) (cbrt x))))

simplify26.2s

Counts
61 → 61
Iterations
IterNodes
done5000
42101
3430
2153
172
040

prune1.6s

Pruning

4 alts after pruning (1 fresh and 3 done)

Merged error: 0.0b

localize256.0ms

Local error

Found 4 expressions with local error:

0.1b
(- (tanh (/ t y)) (tanh (/ x y)))
0.2b
(* (sqrt (fma (- (tanh (/ t y)) (tanh (/ x y))) (* z y) x)) (sqrt (fma (- (tanh (/ t y)) (tanh (/ x y))) (* z y) x)))
6.6b
(fma (- (tanh (/ t y)) (tanh (/ x y))) (* z y) x)
6.6b
(fma (- (tanh (/ t y)) (tanh (/ x y))) (* z y) x)

rewrite83.0ms

Algorithm
rewrite-expression-head
Rules
33×add-sqr-sqrt
21×*-un-lft-identity
19×pow1 add-cube-cbrt
18×sqrt-prod
prod-diff frac-sub
sqrt-pow1 pow1/2 swap-sqr
add-exp-log associate-*r* associate-*l* add-cbrt-cube tanh-def add-log-exp
pow-prod-up
expm1-log1p-u log1p-expm1-u unswap-sqr
fma-neg pow-prod-down pow-sqr
fma-udef
pow2 sub-neg flip3-- pow-plus sqrt-unprod diff-log prod-exp rem-square-sqrt *-commutative flip-- cbrt-unprod distribute-lft-out-- difference-of-squares
Counts
4 → 108
Calls
4 calls:
30.0ms
(- (tanh (/ t y)) (tanh (/ x y)))
44.0ms
(* (sqrt (fma (- (tanh (/ t y)) (tanh (/ x y))) (* z y) x)) (sqrt (fma (- (tanh (/ t y)) (tanh (/ x y))) (* z y) x)))
1.0ms
(fma (- (tanh (/ t y)) (tanh (/ x y))) (* z y) x)
1.0ms
(fma (- (tanh (/ t y)) (tanh (/ x y))) (* z y) x)

series5.7s

Counts
4 → 12
Calls
4 calls:
1.4s
(- (tanh (/ t y)) (tanh (/ x y)))
1.5s
(* (sqrt (fma (- (tanh (/ t y)) (tanh (/ x y))) (* z y) x)) (sqrt (fma (- (tanh (/ t y)) (tanh (/ x y))) (* z y) x)))
1.5s
(fma (- (tanh (/ t y)) (tanh (/ x y))) (* z y) x)
1.3s
(fma (- (tanh (/ t y)) (tanh (/ x y))) (* z y) x)

simplify7.6s

Counts
120 → 120
Iterations
IterNodes
done5001
21651
1514
0194

prune3.0s

Pruning

5 alts after pruning (1 fresh and 4 done)

Merged error: 0.0b

regimes1.0s

Accuracy

47.7% (2.4b remaining)

Error of 2.6b against oracle of 0.2b and baseline of 4.7b

bsearch224.0ms

Steps
ItersRangePoint
7
7.806958094410679e+180
8.948259600021488e+182
9.400818729820712e+181
11
-1.4699374963004438e+223
-8.098776682452009e+199
-7.25999807269276e+217

simplify13.0ms

Iterations
IterNodes
done34
134
028

end0.0ms

sample4.3s

Algorithm
intervals
Results
3.2s8312×body80valid
341.0ms98×body640valid
174.0ms48×body1280valid
32.0ms59×body320valid
6.0ms30×body160valid