Details

Time bar (total: 27.2s)

sample195.0ms

Algorithm
intervals
Results
59.0ms47×body1280valid
43.0ms48×body10240exit
25.0ms50×body640valid
13.0ms118×body80valid
8.0ms28×body320valid
8.0ms104×body80nan
3.0msbody640nan
3.0ms11×body320nan
3.0ms13×body160valid
1.0msbody1280nan
1.0msbody160nan

simplify3.9s

Counts
1 → 1
Iterations
IterNodes
done5000
74914
6921
5224
484
353
235
120
012

prune11.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 25.4b

localize25.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ (log (+ (- 1.0 y) (* y (exp z)))) t)
2.0b
(+ (- 1.0 y) (* y (exp z)))
2.2b
(log (+ (- 1.0 y) (* y (exp z))))

rewrite138.0ms

Algorithm
rewrite-expression-head
Rules
22×add-sqr-sqrt *-un-lft-identity
20×add-cube-cbrt
12×times-frac
11×associate-+l+
prod-diff
pow1 add-log-exp
add-exp-log
fma-def add-cbrt-cube log-pow
log-div associate-/l*
expm1-log1p-u log-prod associate-/r* flip3-+ flip-+ log1p-expm1-u
sum-log div-sub
cbrt-undiv +-commutative clear-num sub-neg frac-2neg diff-log div-exp rem-log-exp associate-+l- div-inv distribute-lft-out-- difference-of-squares
Counts
3 → 82
Calls
3 calls:
68.0ms
(/ (log (+ (- 1.0 y) (* y (exp z)))) t)
51.0ms
(+ (- 1.0 y) (* y (exp z)))
17.0ms
(log (+ (- 1.0 y) (* y (exp z))))

series351.0ms

Counts
3 → 9
Calls
3 calls:
193.0ms
(/ (log (+ (- 1.0 y) (* y (exp z)))) t)
53.0ms
(+ (- 1.0 y) (* y (exp z)))
105.0ms
(log (+ (- 1.0 y) (* y (exp z))))

simplify1.3s

Counts
91 → 91
Iterations
IterNodes
done5001
21756
1464
0192

prune680.0ms

Pruning

7 alts after pruning (7 fresh and 0 done)

Merged error: 4.8b

localize34.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ (log (+ 1.0 (- (* (exp z) y) y))) t)
1.4b
(log (+ 1.0 (- (* (exp z) y) y)))
3.3b
(- (* (exp z) y) y)

rewrite133.0ms

Algorithm
rewrite-expression-head
Rules
17×*-un-lft-identity
14×add-sqr-sqrt add-cube-cbrt
12×times-frac
pow1
add-exp-log
add-cbrt-cube log-pow add-log-exp
log-div log-prod associate-/l*
expm1-log1p-u associate-/r* prod-diff log1p-expm1-u
flip3-+ div-sub flip-+
cbrt-undiv clear-num sub-neg frac-2neg flip3-- distribute-rgt-out-- fma-neg diff-log div-exp rem-log-exp div-inv flip-- distribute-lft-out
Counts
3 → 71
Calls
3 calls:
77.0ms
(/ (log (+ 1.0 (- (* (exp z) y) y))) t)
36.0ms
(log (+ 1.0 (- (* (exp z) y) y)))
17.0ms
(- (* (exp z) y) y)

series334.0ms

Counts
3 → 9
Calls
3 calls:
151.0ms
(/ (log (+ 1.0 (- (* (exp z) y) y))) t)
63.0ms
(log (+ 1.0 (- (* (exp z) y) y)))
47.0ms
(- (* (exp z) y) y)

simplify1.7s

Counts
80 → 80
Iterations
IterNodes
done5000
21848
1475
0196

prune605.0ms

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 4.8b

localize27.0ms

Local error

Found 3 expressions with local error:

0.0b
(fma y (expm1 z) 1.0)
0.0b
(/ (log (fma y (expm1 z) 1.0)) t)
3.3b
(log (fma y (expm1 z) 1.0))

rewrite19.0ms

Algorithm
rewrite-expression-head
Rules
13×add-sqr-sqrt *-un-lft-identity add-cube-cbrt
12×times-frac
pow1
add-exp-log
add-cbrt-cube log-pow
associate-/l*
expm1-log1p-u log-prod associate-/r* log1p-expm1-u add-log-exp
cbrt-undiv clear-num frac-2neg div-exp rem-log-exp fma-udef div-inv
Counts
3 → 57
Calls
3 calls:
1.0ms
(fma y (expm1 z) 1.0)
14.0ms
(/ (log (fma y (expm1 z) 1.0)) t)
2.0ms
(log (fma y (expm1 z) 1.0))

series422.0ms

Counts
3 → 9
Calls
3 calls:
50.0ms
(fma y (expm1 z) 1.0)
245.0ms
(/ (log (fma y (expm1 z) 1.0)) t)
126.0ms
(log (fma y (expm1 z) 1.0))

simplify1.1s

Counts
66 → 66
Iterations
IterNodes
done5001
21261
1339
0149

prune487.0ms

Pruning

10 alts after pruning (10 fresh and 0 done)

Merged error: 4.8b

localize37.0ms

Local error

Found 4 expressions with local error:

0.0b
(sqrt (fma y (expm1 z) 1.0))
0.0b
(/ (+ (log (sqrt (fma y (expm1 z) 1.0))) (log (sqrt (fma y (expm1 z) 1.0)))) t)
3.3b
(log (sqrt (fma y (expm1 z) 1.0)))
3.3b
(log (sqrt (fma y (expm1 z) 1.0)))

rewrite85.0ms

Algorithm
rewrite-expression-head
Rules
94×log-pow
80×*-un-lft-identity
78×times-frac
73×pow1
57×add-sqr-sqrt
56×add-cube-cbrt
40×distribute-rgt-out
32×distribute-lft-out
27×sqrt-pow1 pow1/2
26×associate-/l*
12×log-prod
sqrt-prod
distribute-lft1-in distribute-rgt1-in add-exp-log
add-cbrt-cube
expm1-log1p-u count-2 log1p-expm1-u add-log-exp
associate-/r*
rem-log-exp associate-/l/
cbrt-undiv rem-sqrt-square clear-num frac-2neg flip3-+ div-exp flip-+ div-inv
Counts
4 → 176
Calls
4 calls:
2.0ms
(sqrt (fma y (expm1 z) 1.0))
66.0ms
(/ (+ (log (sqrt (fma y (expm1 z) 1.0))) (log (sqrt (fma y (expm1 z) 1.0)))) t)
2.0ms
(log (sqrt (fma y (expm1 z) 1.0)))
2.0ms
(log (sqrt (fma y (expm1 z) 1.0)))

series4.1s

Counts
4 → 12
Calls
4 calls:
794.0ms
(sqrt (fma y (expm1 z) 1.0))
2.3s
(/ (+ (log (sqrt (fma y (expm1 z) 1.0))) (log (sqrt (fma y (expm1 z) 1.0)))) t)
488.0ms
(log (sqrt (fma y (expm1 z) 1.0)))
503.0ms
(log (sqrt (fma y (expm1 z) 1.0)))

simplify2.8s

Counts
188 → 188
Iterations
IterNodes
done5000
11246
0449

prune1.1s

Pruning

10 alts after pruning (10 fresh and 0 done)

Merged error: 4.7b

regimes800.0ms

Accuracy

27% (5.4b remaining)

Error of 9.0b against oracle of 3.6b and baseline of 11.1b

bsearch81.0ms

Steps
ItersRangePoint
4
-5.841382810590438e-215
-2.9963158397475625e-215
-5.701067561750732e-215

simplify10.0ms

Iterations
IterNodes
done30
130
026

end0.0ms

sample6.6s

Algorithm
intervals
Results
1.8s1481×body1280valid
1.4s1511×body10240exit
958.0ms3563×body80valid
751.0ms1495×body640valid
305.0ms898×body320valid
241.0ms2511×body80nan
177.0ms276×body640nan
168.0ms521×body160valid
147.0ms79×body2560valid
53.0ms101×body1280nan
47.0ms191×body320nan
19.0ms121×body160nan