Details

Time bar (total: 48.1s)

sample505.0ms

Algorithm
intervals
Results
185.0ms80×body2560valid
117.0ms95×body1280valid
90.0ms48×body10240exit
37.0ms45×body640valid
32.0ms22×body80valid
16.0ms304×pre80true
5.0msbody320valid
2.0msbody160valid

simplify1.7s

Counts
1 → 1
Iterations
IterNodes
53998
4640
3189
278
144
017

prune24.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 25.4b

localize57.0ms

Local error

Found 4 expressions with local error:

0.0b
(expm1 (* (+ a b) eps))
7.8b
(* (/ eps (expm1 (* eps b))) (expm1 (* (+ a b) eps)))
16.3b
(/ eps (expm1 (* eps b)))
16.5b
(/ (* (/ eps (expm1 (* eps b))) (expm1 (* (+ a b) eps))) (expm1 (* eps a)))

rewrite63.0ms

Algorithm
rewrite-expression-head
Rules
27×add-sqr-sqrt
22×*-un-lft-identity times-frac add-cube-cbrt
20×add-cbrt-cube add-exp-log
13×associate-*l*
pow1 cbrt-undiv associate-/r* div-exp
log1p-expm1-u
expm1-log1p-u prod-exp cbrt-unprod insert-posit16 associate-/l* add-log-exp
associate-*r* div-inv
clear-num frac-2neg associate-*l/ unswap-sqr
expm1-log1p pow-prod-down *-commutative expm1-udef associate-/l/
Counts
4 → 104
Calls
4 calls:
1.0ms
(expm1 (* (+ a b) eps))
21.0ms
(* (/ eps (expm1 (* eps b))) (expm1 (* (+ a b) eps)))
9.0ms
(/ eps (expm1 (* eps b)))
30.0ms
(/ (* (/ eps (expm1 (* eps b))) (expm1 (* (+ a b) eps))) (expm1 (* eps a)))

series508.0ms

Counts
4 → 12
Calls
4 calls:
48.0ms
(expm1 (* (+ a b) eps))
134.0ms
(* (/ eps (expm1 (* eps b))) (expm1 (* (+ a b) eps)))
57.0ms
(/ eps (expm1 (* eps b)))
270.0ms
(/ (* (/ eps (expm1 (* eps b))) (expm1 (* (+ a b) eps))) (expm1 (* eps a)))

simplify8.8s

Counts
116 → 116
Iterations
IterNodes
37238
21551
1416
0173

prune694.0ms

Pruning

4 alts after pruning (4 fresh and 0 done)

Merged error: 0.0b

localize18.0ms

Local error

Found 1 expressions with local error:

0.0b
(+ (/ 1 b) (/ 1 a))

rewrite27.0ms

Algorithm
rewrite-expression-head
Rules
20×*-un-lft-identity
15×times-frac
13×fma-def
10×add-sqr-sqrt add-cube-cbrt
distribute-lft-out
div-inv
add-log-exp
expm1-log1p-u pow1 +-commutative sum-log flip3-+ add-cbrt-cube frac-add add-exp-log flip-+ insert-posit16 log1p-expm1-u
Counts
1 → 35
Calls
1 calls:
26.0ms
(+ (/ 1 b) (/ 1 a))

series21.0ms

Counts
1 → 3
Calls
1 calls:
21.0ms
(+ (/ 1 b) (/ 1 a))

simplify1.4s

Counts
38 → 38
Iterations
IterNodes
42780
31109
2412
1107
043

prune158.0ms

Pruning

4 alts after pruning (3 fresh and 1 done)

Merged error: 0.0b

localize58.0ms

Local error

Found 4 expressions with local error:

0.0b
(expm1 (fma eps b (* a eps)))
4.4b
(/ (/ (expm1 (* a eps)) eps) (/ (expm1 (fma eps b (* a eps))) (expm1 (* eps b))))
12.3b
(/ (expm1 (fma eps b (* a eps))) (expm1 (* eps b)))
16.2b
(/ (expm1 (* a eps)) eps)

rewrite56.0ms

Algorithm
rewrite-expression-head
Rules
439×times-frac
216×add-sqr-sqrt *-un-lft-identity add-cube-cbrt
31×div-inv
20×add-cbrt-cube add-exp-log
19×associate-/r* associate-/l*
10×cbrt-undiv div-exp
log1p-expm1-u
expm1-log1p-u pow1 div-sub insert-posit16 expm1-udef add-log-exp
clear-num frac-2neg
expm1-log1p associate-/r/ associate-/l/
Counts
4 → 293
Calls
4 calls:
1.0ms
(expm1 (fma eps b (* a eps)))
18.0ms
(/ (/ (expm1 (* a eps)) eps) (/ (expm1 (fma eps b (* a eps))) (expm1 (* eps b))))
8.0ms
(/ (expm1 (fma eps b (* a eps))) (expm1 (* eps b)))
9.0ms
(/ (expm1 (* a eps)) eps)

series507.0ms

Counts
4 → 12
Calls
4 calls:
48.0ms
(expm1 (fma eps b (* a eps)))
287.0ms
(/ (/ (expm1 (* a eps)) eps) (/ (expm1 (fma eps b (* a eps))) (expm1 (* eps b))))
109.0ms
(/ (expm1 (fma eps b (* a eps))) (expm1 (* eps b)))
63.0ms
(/ (expm1 (* a eps)) eps)

simplify5.6s

Counts
305 → 305
Iterations
IterNodes
24981
11527
0501

prune2.1s

Pruning

4 alts after pruning (2 fresh and 2 done)

Merged error: 0.0b

localize39.0ms

Local error

Found 4 expressions with local error:

0.1b
(fma 1/12 (* (* eps eps) b) (/ 1 b))
6.1b
(* (* eps eps) b)
7.5b
(* (fma -1/2 eps (fma 1/12 (* (* eps eps) b) (/ 1 b))) (expm1 (* (+ a b) eps)))
15.5b
(/ (* (fma -1/2 eps (fma 1/12 (* (* eps eps) b) (/ 1 b))) (expm1 (* (+ a b) eps))) (expm1 (* eps a)))

rewrite42.0ms

Algorithm
rewrite-expression-head
Rules
16×add-cbrt-cube add-exp-log
12×add-sqr-sqrt
11×pow1
*-un-lft-identity add-cube-cbrt
associate-*r*
prod-exp cbrt-unprod
expm1-log1p-u associate-*l* pow-prod-down insert-posit16 log1p-expm1-u add-log-exp
associate-/r* times-frac
cbrt-undiv div-exp *-commutative unswap-sqr
clear-num frac-2neg fma-udef div-inv associate-/l*
Counts
4 → 78
Calls
4 calls:
0.0ms
(fma 1/12 (* (* eps eps) b) (/ 1 b))
25.0ms
(* (* eps eps) b)
6.0ms
(* (fma -1/2 eps (fma 1/12 (* (* eps eps) b) (/ 1 b))) (expm1 (* (+ a b) eps)))
9.0ms
(/ (* (fma -1/2 eps (fma 1/12 (* (* eps eps) b) (/ 1 b))) (expm1 (* (+ a b) eps))) (expm1 (* eps a)))

series486.0ms

Counts
4 → 12
Calls
4 calls:
42.0ms
(fma 1/12 (* (* eps eps) b) (/ 1 b))
21.0ms
(* (* eps eps) b)
127.0ms
(* (fma -1/2 eps (fma 1/12 (* (* eps eps) b) (/ 1 b))) (expm1 (* (+ a b) eps)))
296.0ms
(/ (* (fma -1/2 eps (fma 1/12 (* (* eps eps) b) (/ 1 b))) (expm1 (* (+ a b) eps))) (expm1 (* eps a)))

simplify4.0s

Counts
90 → 90
Iterations
IterNodes
35480
21187
1371
0157

prune555.0ms

Pruning

4 alts after pruning (1 fresh and 3 done)

Merged error: 0.0b

regimes185.0ms

Accuracy

-22.7% (3.9b remaining)

Error of 3.9b against oracle of 0.0b and baseline of 3.2b

bsearch706.0ms

Steps
ItersRangePoint
9
3.6595324496438e+242
3.152833417898111e+248
2.335242954070617e+248
5
5.559383257856542e+122
2.1749718142746195e+123
1.1199581729972231e+123

simplify9.0ms

Iterations
IterNodes
229
129
023

end0.0ms

sample19.7s

Algorithm
intervals
Results
5.9s3464×body1280valid
5.8s2494×body2560valid
4.9s1940×body10240exit
1.4s1131×body640valid
1.0s9942×pre80true
265.0ms342×body320valid
87.0ms145×body160valid
75.0ms426×body80valid