Details

Time bar (total: 18.9s)

sample194.0ms

Algorithm
intervals
Results
68.0ms1325×body80nan
22.0ms390×body80valid
8.0ms24×body640valid
2.0msbody320valid
1.0msbody1280valid
1.0msbody160valid

simplify40.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (2.0ms)

IterNodesCost
03110
16210
213710
334410
4115510
5500110
done500110

prune3.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 1.4b

localize15.0ms

Local error

Found 4 expressions with local error:

0.0b
(exp (+ (* y (- (log z) t)) (* a (- (log (- 1.0 z)) b))))
0.1b
(* y (- (log z) t))
0.3b
(+ (* y (- (log z) t)) (* a (- (log (- 1.0 z)) b)))
6.8b
(log (- 1.0 z))

rewrite120.0ms

Algorithm
rewrite-expression-head
Rules
72×prod-diff
66×add-sqr-sqrt
65×*-un-lft-identity
56×add-cube-cbrt
53×distribute-rgt-in distribute-lft-in
38×associate-+r+
34×associate-+l+
27×log-prod
26×pow1
22×associate--l+
20×log-pow
10×associate-*r/
add-log-exp
add-exp-log
sub-neg flip3-- associate-*r* add-cbrt-cube flip--
distribute-lft-out--
expm1-log1p-u frac-add log1p-expm1-u difference-of-squares
exp-prod associate-*l*
log-div sum-log rem-exp-log
+-commutative fma-def flip3-+ rem-log-exp exp-sum pow-prod-down prod-exp *-commutative cbrt-unprod flip-+ unswap-sqr
Counts
4 → 182
Calls
4 calls:
41.0ms
(exp (+ (* y (- (log z) t)) (* a (- (log (- 1.0 z)) b))))
27.0ms
(* y (- (log z) t))
37.0ms
(+ (* y (- (log z) t)) (* a (- (log (- 1.0 z)) b)))
6.0ms
(log (- 1.0 z))

series450.0ms

Counts
4 → 12
Calls
4 calls:
145.0ms
(exp (+ (* y (- (log z) t)) (* a (- (log (- 1.0 z)) b))))
73.0ms
(* y (- (log z) t))
188.0ms
(+ (* y (- (log z) t)) (* a (- (log (- 1.0 z)) b)))
43.0ms
(log (- 1.0 z))

simplify94.0ms

Counts
194 → 194
Iterations

Useful iterations: 2 (78.0ms)

IterNodesCost
09041913
135011501
250011500
done50011500

prune636.0ms

Pruning

4 alts after pruning (4 fresh and 0 done)

Merged error: 0.0b

localize23.0ms

Local error

Found 4 expressions with local error:

0.0b
(exp (+ (* y (- (log z) t)) (* a (- (- (log 1.0) (+ (* 1/2 (/ (pow z 2) (pow 1.0 2))) (* 1.0 z))) b))))
0.0b
(* a (- (- (log 1.0) (+ (* 1/2 (/ (pow z 2) (pow 1.0 2))) (* 1.0 z))) b))
0.1b
(* y (- (log z) t))
0.3b
(+ (* y (- (log z) t)) (* a (- (- (log 1.0) (+ (* 1/2 (/ (pow z 2) (pow 1.0 2))) (* 1.0 z))) b)))

rewrite1.2s

Algorithm
rewrite-expression-head
Rules
168×prod-diff
155×*-un-lft-identity
141×add-sqr-sqrt
109×add-cube-cbrt
108×distribute-rgt-in distribute-lft-in
92×associate--l+
74×associate-+r+
46×pow1
38×log-pow
34×associate-+l+
31×distribute-lft-out--
24×log-prod
14×difference-of-squares
13×associate-*r*
12×sub-neg associate-*r/
add-log-exp
add-exp-log add-cbrt-cube
flip3-- associate-*l* flip--
expm1-log1p-u frac-add log1p-expm1-u
exp-prod
pow-prod-down prod-exp sum-log *-commutative cbrt-unprod rem-exp-log unswap-sqr
+-commutative fma-def flip3-+ exp-sum flip-+
Counts
4 → 300
Calls
4 calls:
168.0ms
(exp (+ (* y (- (log z) t)) (* a (- (- (log 1.0) (+ (* 1/2 (/ (pow z 2) (pow 1.0 2))) (* 1.0 z))) b))))
704.0ms
(* a (- (- (log 1.0) (+ (* 1/2 (/ (pow z 2) (pow 1.0 2))) (* 1.0 z))) b))
28.0ms
(* y (- (log z) t))
253.0ms
(+ (* y (- (log z) t)) (* a (- (- (log 1.0) (+ (* 1/2 (/ (pow z 2) (pow 1.0 2))) (* 1.0 z))) b)))

series610.0ms

Counts
4 → 12
Calls
4 calls:
183.0ms
(exp (+ (* y (- (log z) t)) (* a (- (- (log 1.0) (+ (* 1/2 (/ (pow z 2) (pow 1.0 2))) (* 1.0 z))) b))))
104.0ms
(* a (- (- (log 1.0) (+ (* 1/2 (/ (pow z 2) (pow 1.0 2))) (* 1.0 z))) b))
69.0ms
(* y (- (log z) t))
253.0ms
(+ (* y (- (log z) t)) (* a (- (- (log 1.0) (+ (* 1/2 (/ (pow z 2) (pow 1.0 2))) (* 1.0 z))) b)))

simplify153.0ms

Counts
312 → 312
Iterations

Useful iterations: 2 (102.0ms)

IterNodesCost
010915982
144694426
250014420
done50014420

prune1.1s

Pruning

4 alts after pruning (4 fresh and 0 done)

Merged error: 0.0b

localize30.0ms

Local error

Found 4 expressions with local error:

0.0b
(exp (cbrt (pow (fma (- (log 1.0) (+ (fma 1/2 (/ (pow z 2) (pow 1.0 2)) (* 1.0 z)) b)) a (* y (- (log z) t))) 3)))
0.1b
(* y (- (log z) t))
0.2b
(pow (fma (- (log 1.0) (+ (fma 1/2 (/ (pow z 2) (pow 1.0 2)) (* 1.0 z)) b)) a (* y (- (log z) t))) 3)
26.1b
(cbrt (pow (fma (- (log 1.0) (+ (fma 1/2 (/ (pow z 2) (pow 1.0 2)) (* 1.0 z)) b)) a (* y (- (log z) t))) 3))

rewrite46.0ms

Algorithm
rewrite-expression-head
Rules
36×add-sqr-sqrt
35×*-un-lft-identity
32×add-cube-cbrt
24×cbrt-prod prod-diff
17×distribute-rgt-in distribute-lft-in
15×exp-prod
14×pow1
unpow-prod-down cube-prod
add-exp-log log-pow add-cbrt-cube
log-prod associate-*r* associate--l+
add-log-exp
expm1-log1p-u log1p-expm1-u
cube-mult pow-unpow unpow3 associate-*l* sqr-pow
sub-neg associate-*r/ distribute-lft-out--
pow-to-exp flip3-- pow-pow pow1/3 pow-prod-down pow-exp prod-exp *-commutative flip-- rem-cbrt-cube cbrt-unprod rem-exp-log rem-cube-cbrt difference-of-squares unswap-sqr
Counts
4 → 132
Calls
4 calls:
9.0ms
(exp (cbrt (pow (fma (- (log 1.0) (+ (fma 1/2 (/ (pow z 2) (pow 1.0 2)) (* 1.0 z)) b)) a (* y (- (log z) t))) 3)))
28.0ms
(* y (- (log z) t))
2.0ms
(pow (fma (- (log 1.0) (+ (fma 1/2 (/ (pow z 2) (pow 1.0 2)) (* 1.0 z)) b)) a (* y (- (log z) t))) 3)
2.0ms
(cbrt (pow (fma (- (log 1.0) (+ (fma 1/2 (/ (pow z 2) (pow 1.0 2)) (* 1.0 z)) b)) a (* y (- (log z) t))) 3))

series6.6s

Counts
4 → 12
Calls
4 calls:
169.0ms
(exp (cbrt (pow (fma (- (log 1.0) (+ (fma 1/2 (/ (pow z 2) (pow 1.0 2)) (* 1.0 z)) b)) a (* y (- (log z) t))) 3)))
70.0ms
(* y (- (log z) t))
6.1s
(pow (fma (- (log 1.0) (+ (fma 1/2 (/ (pow z 2) (pow 1.0 2)) (* 1.0 z)) b)) a (* y (- (log z) t))) 3)
228.0ms
(cbrt (pow (fma (- (log 1.0) (+ (fma 1/2 (/ (pow z 2) (pow 1.0 2)) (* 1.0 z)) b)) a (* y (- (log z) t))) 3))

simplify69.0ms

Counts
144 → 144
Iterations

Useful iterations: 2 (52.0ms)

IterNodesCost
04981985
120391676
250031664
done50031664

prune522.0ms

Pruning

4 alts after pruning (3 fresh and 1 done)

Merged error: 0.0b

localize23.0ms

Local error

Found 4 expressions with local error:

0.0b
(exp (fma (- (log 1.0) (+ (fma 1/2 (/ (pow z 2) (pow 1.0 2)) (* 1.0 z)) b)) a (* (- (log z) t) y)))
0.0b
(cbrt (pow (exp (fma (- (log 1.0) (+ (fma 1/2 (/ (pow z 2) (pow 1.0 2)) (* 1.0 z)) b)) a (* (- (log z) t) y))) 3))
0.0b
(pow (exp (fma (- (log 1.0) (+ (fma 1/2 (/ (pow z 2) (pow 1.0 2)) (* 1.0 z)) b)) a (* (- (log z) t) y))) 3)
0.1b
(* (- (log z) t) y)

rewrite43.0ms

Algorithm
rewrite-expression-head
Rules
18×add-sqr-sqrt
17×*-un-lft-identity
14×cbrt-prod add-cube-cbrt
pow1 unpow-prod-down cube-prod
add-cbrt-cube
add-exp-log exp-prod associate-*l*
exp-sum fma-udef add-log-exp
expm1-log1p-u pow-pow log1p-expm1-u
pow-unpow associate-*r*
cube-mult unpow3 associate-*l/ distribute-lft-out-- sqr-pow
pow-to-exp flip3-- pow1/3 pow-prod-down pow-exp prod-exp log-pow *-commutative flip-- rem-cbrt-cube cbrt-unprod rem-exp-log rem-cube-cbrt difference-of-squares unswap-sqr
Counts
4 → 94
Calls
4 calls:
2.0ms
(exp (fma (- (log 1.0) (+ (fma 1/2 (/ (pow z 2) (pow 1.0 2)) (* 1.0 z)) b)) a (* (- (log z) t) y)))
3.0ms
(cbrt (pow (exp (fma (- (log 1.0) (+ (fma 1/2 (/ (pow z 2) (pow 1.0 2)) (* 1.0 z)) b)) a (* (- (log z) t) y))) 3))
5.0ms
(pow (exp (fma (- (log 1.0) (+ (fma 1/2 (/ (pow z 2) (pow 1.0 2)) (* 1.0 z)) b)) a (* (- (log z) t) y))) 3)
31.0ms
(* (- (log z) t) y)

series692.0ms

Counts
4 → 12
Calls
4 calls:
165.0ms
(exp (fma (- (log 1.0) (+ (fma 1/2 (/ (pow z 2) (pow 1.0 2)) (* 1.0 z)) b)) a (* (- (log z) t) y)))
163.0ms
(cbrt (pow (exp (fma (- (log 1.0) (+ (fma 1/2 (/ (pow z 2) (pow 1.0 2)) (* 1.0 z)) b)) a (* (- (log z) t) y))) 3))
275.0ms
(pow (exp (fma (- (log 1.0) (+ (fma 1/2 (/ (pow z 2) (pow 1.0 2)) (* 1.0 z)) b)) a (* (- (log z) t) y))) 3)
89.0ms
(* (- (log z) t) y)

simplify45.0ms

Counts
106 → 106
Iterations

Useful iterations: 2 (31.0ms)

IterNodesCost
03241508
111731417
250021405
done50021405

prune445.0ms

Pruning

3 alts after pruning (2 fresh and 1 done)

Merged error: 0.0b

regimes186.0ms

Accuracy

0% (0.1b remaining)

Error of 0.2b against oracle of 0.1b and baseline of 0.2b

bsearch0.0ms

simplify1.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
03016
13016
done3016

end0.0ms

sample5.7s

Algorithm
intervals
Results
2.1s40918×body80nan
730.0ms12540×body80valid
127.0ms378×body640valid
79.0ms394×body320valid
43.0ms61×body1280valid
35.0ms280×body160valid