Details

Time bar (total: 19.1s)

sample265.0ms

Algorithm
intervals
Results
79.0ms885×body80nan
51.0ms189×body80valid
15.0ms16×body1280valid
10.0ms18×body640valid
8.0ms22×body320valid
3.0ms12×body160valid

simplify782.0ms

Counts
1 → 1
Iterations
IterNodes
done5001
8769
7237
6112
577
460
352
238
122
012

prune19.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 7.7b

localize39.0ms

Local error

Found 3 expressions with local error:

0.0b
(* z (log (- 1.0 y)))
0.2b
(* x (log y))
5.4b
(log (- 1.0 y))

rewrite52.0ms

Algorithm
rewrite-expression-head
Rules
22×add-sqr-sqrt
21×log-prod
18×*-un-lft-identity
12×add-cube-cbrt
10×pow1
distribute-rgt-in distribute-lft-in associate-*r* add-exp-log
add-cbrt-cube
associate-*l*
expm1-log1p-u log-pow log1p-expm1-u distribute-lft-out-- add-log-exp difference-of-squares
log-div pow-prod-down prod-exp *-commutative cbrt-unprod unswap-sqr
flip3-- rem-log-exp flip--
Counts
3 → 76
Calls
3 calls:
24.0ms
(* z (log (- 1.0 y)))
14.0ms
(* x (log y))
10.0ms
(log (- 1.0 y))

series214.0ms

Counts
3 → 9
Calls
3 calls:
94.0ms
(* z (log (- 1.0 y)))
50.0ms
(* x (log y))
69.0ms
(log (- 1.0 y))

simplify1.3s

Counts
85 → 85
Iterations
IterNodes
done5000
21186
1389
0174

prune588.0ms

Pruning

8 alts after pruning (8 fresh and 0 done)

Merged error: 0.1b

localize43.0ms

Local error

Found 4 expressions with local error:

0.0b
(- (* z (- (log 1.0) (* 1.0 y))) (* (/ (* z 1/2) 1.0) (/ (pow y 2) 1.0)))
0.0b
(+ (* x (log y)) (- (* z (- (log 1.0) (* 1.0 y))) (* (/ (* z 1/2) 1.0) (/ (pow y 2) 1.0))))
0.2b
(* x (log y))
7.4b
(* (/ (* z 1/2) 1.0) (/ (pow y 2) 1.0))

rewrite115.0ms

Algorithm
rewrite-expression-head
Rules
49×add-sqr-sqrt
48×associate--l+ add-exp-log
35×*-un-lft-identity add-cube-cbrt
32×associate-*r*
31×times-frac
27×add-cbrt-cube
24×distribute-rgt-in log-prod distribute-lft-in
21×associate-+r+
18×prod-diff
17×div-exp prod-exp
13×pow1
11×add-log-exp
10×unpow-prod-down associate-*l*
associate-*r/ cbrt-unprod
cbrt-undiv
associate-+l+ sub-neg frac-sub unswap-sqr
log-pow
expm1-log1p-u flip3-- log1p-expm1-u flip-- unpow2 sqr-pow
frac-times pow-to-exp associate-*l/ pow-exp
sum-log diff-log pow-prod-down *-commutative div-inv
+-commutative associate-+r- fma-def flip3-+ fma-neg flip-+
Counts
4 → 182
Calls
4 calls:
16.0ms
(- (* z (- (log 1.0) (* 1.0 y))) (* (/ (* z 1/2) 1.0) (/ (pow y 2) 1.0)))
28.0ms
(+ (* x (log y)) (- (* z (- (log 1.0) (* 1.0 y))) (* (/ (* z 1/2) 1.0) (/ (pow y 2) 1.0))))
14.0ms
(* x (log y))
45.0ms
(* (/ (* z 1/2) 1.0) (/ (pow y 2) 1.0))

series378.0ms

Counts
4 → 12
Calls
4 calls:
98.0ms
(- (* z (- (log 1.0) (* 1.0 y))) (* (/ (* z 1/2) 1.0) (/ (pow y 2) 1.0)))
191.0ms
(+ (* x (log y)) (- (* z (- (log 1.0) (* 1.0 y))) (* (/ (* z 1/2) 1.0) (/ (pow y 2) 1.0))))
43.0ms
(* x (log y))
45.0ms
(* (/ (* z 1/2) 1.0) (/ (pow y 2) 1.0))

simplify583.0ms

Counts
194 → 194
Iterations
IterNodes
done5001
11085
0369

prune1.7s

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 0.0b

localize84.0ms

Local error

Found 4 expressions with local error:

0.0b
(fma (+ (log 1.0) (* (- 1.0) y)) z (* x (log y)))
0.0b
(+ (fma (+ (log 1.0) (* (- 1.0) y)) z (* x (log y))) (- (* z (fma (- y) 1.0 (* y 1.0))) (* (/ (* z 1/2) 1.0) (/ (pow y 2) 1.0))))
0.2b
(* x (log y))
7.4b
(* (/ (* z 1/2) 1.0) (/ (pow y 2) 1.0))

rewrite79.0ms

Algorithm
rewrite-expression-head
Rules
48×add-exp-log
40×add-sqr-sqrt
32×associate-*r*
31×times-frac
28×*-un-lft-identity
27×add-cbrt-cube
26×add-cube-cbrt
17×div-exp prod-exp
10×unpow-prod-down associate-*l*
pow1 cbrt-unprod add-log-exp
cbrt-undiv
log-prod unswap-sqr
associate-+r+
distribute-rgt-in expm1-log1p-u distribute-lft-in fma-udef log1p-expm1-u unpow2 sqr-pow
pow-to-exp fma-def pow-exp
sum-log pow-prod-down associate--l+ *-commutative div-inv
frac-times +-commutative associate-+l+ associate-+r- sub-neg flip3-+ diff-log prod-diff associate-*l/ associate-*r/ log-pow flip-+ distribute-lft-out
Counts
4 → 134
Calls
4 calls:
0.0ms
(fma (+ (log 1.0) (* (- 1.0) y)) z (* x (log y)))
13.0ms
(+ (fma (+ (log 1.0) (* (- 1.0) y)) z (* x (log y))) (- (* z (fma (- y) 1.0 (* y 1.0))) (* (/ (* z 1/2) 1.0) (/ (pow y 2) 1.0))))
10.0ms
(* x (log y))
51.0ms
(* (/ (* z 1/2) 1.0) (/ (pow y 2) 1.0))

series1.3s

Counts
4 → 12
Calls
4 calls:
120.0ms
(fma (+ (log 1.0) (* (- 1.0) y)) z (* x (log y)))
1.1s
(+ (fma (+ (log 1.0) (* (- 1.0) y)) z (* x (log y))) (- (* z (fma (- y) 1.0 (* y 1.0))) (* (/ (* z 1/2) 1.0) (/ (pow y 2) 1.0))))
51.0ms
(* x (log y))
46.0ms
(* (/ (* z 1/2) 1.0) (/ (pow y 2) 1.0))

simplify506.0ms

Counts
146 → 146
Iterations
IterNodes
done5001
1827
0283

prune1.3s

Pruning

10 alts after pruning (10 fresh and 0 done)

Merged error: 0.0b

localize69.0ms

Local error

Found 4 expressions with local error:

0.0b
(fma (+ (log 1.0) (* (- 1.0) y)) z (* x (log y)))
0.0b
(+ (fma (+ (log 1.0) (* (- 1.0) y)) z (* x (log y))) (- (* z (fma (- y) 1.0 (* y 1.0))) (* (* 0.5 z) (* y y))))
0.2b
(* x (log y))
7.4b
(* (* 0.5 z) (* y y))

rewrite54.0ms

Algorithm
rewrite-expression-head
Rules
19×pow1
18×add-cbrt-cube add-exp-log
11×add-sqr-sqrt *-un-lft-identity
pow-prod-down prod-exp add-cube-cbrt cbrt-unprod add-log-exp
log-prod
associate-+r+ associate-*r*
distribute-rgt-in expm1-log1p-u distribute-lft-in associate-*l* fma-udef log1p-expm1-u
fma-def
sum-log associate--l+ *-commutative
+-commutative associate-+l+ associate-+r- sub-neg flip3-+ diff-log prod-diff log-pow flip-+ distribute-lft-out unswap-sqr
Counts
4 → 86
Calls
4 calls:
0.0ms
(fma (+ (log 1.0) (* (- 1.0) y)) z (* x (log y)))
13.0ms
(+ (fma (+ (log 1.0) (* (- 1.0) y)) z (* x (log y))) (- (* z (fma (- y) 1.0 (* y 1.0))) (* (* 0.5 z) (* y y))))
7.0ms
(* x (log y))
31.0ms
(* (* 0.5 z) (* y y))

series1.1s

Counts
4 → 12
Calls
4 calls:
89.0ms
(fma (+ (log 1.0) (* (- 1.0) y)) z (* x (log y)))
934.0ms
(+ (fma (+ (log 1.0) (* (- 1.0) y)) z (* x (log y))) (- (* z (fma (- y) 1.0 (* y 1.0))) (* (* 0.5 z) (* y y))))
43.0ms
(* x (log y))
38.0ms
(* (* 0.5 z) (* y y))

simplify995.0ms

Counts
98 → 98
Iterations
IterNodes
done5002
21974
1452
0178

prune647.0ms

Pruning

10 alts after pruning (9 fresh and 1 done)

Merged error: 0.0b

regimes532.0ms

Accuracy

0% (0.3b remaining)

Error of 0.4b against oracle of 0.1b and baseline of 0.4b

bsearch0.0ms

simplify8.0ms

Iterations
IterNodes
done34
234
132
023

end0.0ms

sample6.3s

Algorithm
intervals
Results
2.6s24083×body80nan
693.0ms875×body640valid
533.0ms5446×body80valid
332.0ms408×body1280valid
261.0ms792×body320valid
107.0ms506×body160valid