Details

Time bar (total: 40.8s)

sample628.0ms

Algorithm
intervals
Results
119.0ms156×body80valid
101.0ms319×body80nan
66.0ms38×body1280valid
37.0ms14×body160valid
29.0ms33×body640valid
18.0ms22×body640nan
10.0ms10×body1280nan
9.0ms15×body320valid
9.0ms14×body320nan
1.0msbody160nan

simplify580.0ms

Counts
1 → 1
Calls
1 calls:
Slowest
579.0ms
(/ (* (sqrt 2) t) (sqrt (- (* (/ (+ x 1) (- x 1)) (+ (* l l) (* 2 (* t t)))) (* l l))))

prune34.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 45.2b

localize56.0ms

Local error

Found 4 expressions with local error:

21.8b
(sqrt (- (* (/ (+ x 1) (- x 1)) (+ (* l l) (* 2 (* t t)))) (* l l)))
13.2b
(- (* (/ (+ x 1) (- x 1)) (+ (* l l) (* 2 (* t t)))) (* l l))
0.5b
(* (sqrt 2) t)
0.0b
(/ (* (sqrt 2) t) (sqrt (- (* (/ (+ x 1) (- x 1)) (+ (* l l) (* 2 (* t t)))) (* l l))))

rewrite132.0ms

Algorithm
rewrite-expression-head
Rules
17×add-sqr-sqrt
13×sqrt-prod
12×*-un-lft-identity add-cube-cbrt
11×add-cbrt-cube add-exp-log
pow1
associate-/r* times-frac associate-*l* add-log-exp
expm1-log1p-u sqrt-div insert-posit16 log1p-expm1-u
flip3-- associate-*r* flip--
cbrt-undiv div-exp prod-exp associate--l+ associate-/r/ cbrt-unprod unswap-sqr
distribute-rgt-in rem-sqrt-square clear-num sub-neg frac-2neg distribute-lft-in sqrt-pow1 pow1/2 fma-neg diff-log prod-diff pow-prod-down *-commutative div-inv associate-/l*
Counts
4 → 94
Calls
4 calls:
Slowest
50.0ms
(sqrt (- (* (/ (+ x 1) (- x 1)) (+ (* l l) (* 2 (* t t)))) (* l l)))
47.0ms
(/ (* (sqrt 2) t) (sqrt (- (* (/ (+ x 1) (- x 1)) (+ (* l l) (* 2 (* t t)))) (* l l))))
25.0ms
(- (* (/ (+ x 1) (- x 1)) (+ (* l l) (* 2 (* t t)))) (* l l))
7.0ms
(* (sqrt 2) t)

series2.3s

Counts
4 → 12
Calls
4 calls:
Slowest
1.4s
(sqrt (- (* (/ (+ x 1) (- x 1)) (+ (* l l) (* 2 (* t t)))) (* l l)))
486.0ms
(/ (* (sqrt 2) t) (sqrt (- (* (/ (+ x 1) (- x 1)) (+ (* l l) (* 2 (* t t)))) (* l l))))
288.0ms
(- (* (/ (+ x 1) (- x 1)) (+ (* l l) (* 2 (* t t)))) (* l l))
57.0ms
(* (sqrt 2) t)

simplify9.0s

Counts
64 → 106
Calls
64 calls:
Slowest
550.0ms
(/ t (sqrt (- (* (/ (+ x 1) (- x 1)) (+ (* l l) (* 2 (* t t)))) (* l l))))
412.0ms
(sqrt (+ (* (* (/ (+ x 1) (- x 1)) (+ (* l l) (* 2 (* t t)))) (* (/ (+ x 1) (- x 1)) (+ (* l l) (* 2 (* t t))))) (+ (* (* l l) (* l l)) (* (* (/ (+ x 1) (- x 1)) (+ (* l l) (* 2 (* t t)))) (* l l)))))
388.0ms
(sqrt (- (pow (* (/ (+ x 1) (- x 1)) (+ (* l l) (* 2 (* t t)))) 3) (pow (* l l) 3)))
375.0ms
(/ (* (* (* (sqrt 2) t) (* (sqrt 2) t)) (* (sqrt 2) t)) (* (* (sqrt (- (* (/ (+ x 1) (- x 1)) (+ (* l l) (* 2 (* t t)))) (* l l))) (sqrt (- (* (/ (+ x 1) (- x 1)) (+ (* l l) (* 2 (* t t)))) (* l l)))) (sqrt (- (* (/ (+ x 1) (- x 1)) (+ (* l l) (* 2 (* t t)))) (* l l)))))
310.0ms
(/ (exp (* (/ (+ x 1) (- x 1)) (+ (* l l) (* 2 (* t t))))) (exp (* l l)))

prune1.5s

Pruning

3 alts after pruning (3 fresh and 0 done)

Merged error: 4.0b

localize60.0ms

Local error

Found 4 expressions with local error:

27.3b
(sqrt (fma (fma (/ l x) l (* t t)) 2 (/ (* (* t t) 4) x)))
9.5b
(/ (* (* t t) 4) x)
3.8b
(fma (fma (/ l x) l (* t t)) 2 (/ (* (* t t) 4) x))
0.5b
(* (sqrt 2) t)

rewrite27.0ms

Algorithm
rewrite-expression-head
Rules
15×add-sqr-sqrt add-cbrt-cube add-exp-log
10×*-un-lft-identity add-cube-cbrt
pow1 sqrt-prod
associate-*l*
expm1-log1p-u prod-exp cbrt-unprod insert-posit16 log1p-expm1-u add-log-exp
cbrt-undiv associate-/r* times-frac div-exp associate-*r*
unswap-sqr
rem-sqrt-square clear-num frac-2neg sqrt-pow1 pow1/2 pow-prod-down *-commutative fma-udef div-inv associate-/l*
Counts
4 → 78
Calls
4 calls:
Slowest
17.0ms
(/ (* (* t t) 4) x)
7.0ms
(* (sqrt 2) t)
1.0ms
(sqrt (fma (fma (/ l x) l (* t t)) 2 (/ (* (* t t) 4) x)))
0.0ms
(fma (fma (/ l x) l (* t t)) 2 (/ (* (* t t) 4) x))

series659.0ms

Counts
4 → 12
Calls
4 calls:
Slowest
465.0ms
(sqrt (fma (fma (/ l x) l (* t t)) 2 (/ (* (* t t) 4) x)))
104.0ms
(fma (fma (/ l x) l (* t t)) 2 (/ (* (* t t) 4) x))
54.0ms
(* (sqrt 2) t)
36.0ms
(/ (* (* t t) 4) x)

simplify2.8s

Counts
46 → 90
Calls
46 calls:
Slowest
250.0ms
(/ (* (* (* (* t t) 4) (* (* t t) 4)) (* (* t t) 4)) (* (* x x) x))
247.0ms
(sqrt (* (cbrt (fma (fma (/ l x) l (* t t)) 2 (/ (* (* t t) 4) x))) (cbrt (fma (fma (/ l x) l (* t t)) 2 (/ (* (* t t) 4) x)))))
239.0ms
(/ (* (* (* (* t t) t) (* (* t t) t)) (* (* 4 4) 4)) (* (* x x) x))
219.0ms
(sqrt (sqrt (fma (fma (/ l x) l (* t t)) 2 (/ (* (* t t) 4) x))))
193.0ms
(fma (fma (/ l x) l (* t t)) 2 (/ (* (* t t) 4) x))

prune1.3s

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 3.9b

localize77.0ms

Local error

Found 4 expressions with local error:

27.3b
(sqrt (fma (fma (/ l x) l (* t t)) 2 (/ (* (* t t) 4) x)))
9.5b
(/ (* (* t t) 4) x)
3.8b
(fma (fma (/ l x) l (* t t)) 2 (/ (* (* t t) 4) x))
0.3b
(* (* (cbrt (sqrt 2)) (cbrt (sqrt 2))) (* (cbrt (sqrt 2)) t))

rewrite112.0ms

Algorithm
rewrite-expression-head
Rules
25×add-exp-log
19×add-cbrt-cube
17×pow1
11×prod-exp cbrt-unprod
add-sqr-sqrt pow-prod-down
*-un-lft-identity add-cube-cbrt
expm1-log1p-u insert-posit16 log1p-expm1-u add-log-exp
cbrt-undiv associate-/r* times-frac div-exp sqrt-prod
rem-sqrt-square clear-num frac-2neg sqrt-pow1 pow1/2 associate-*r* associate-*l* *-commutative fma-udef div-inv associate-/l*
Counts
4 → 78
Calls
4 calls:
Slowest
64.0ms
(* (* (cbrt (sqrt 2)) (cbrt (sqrt 2))) (* (cbrt (sqrt 2)) t))
44.0ms
(/ (* (* t t) 4) x)
3.0ms
(sqrt (fma (fma (/ l x) l (* t t)) 2 (/ (* (* t t) 4) x)))
0.0ms
(fma (fma (/ l x) l (* t t)) 2 (/ (* (* t t) 4) x))

series617.0ms

Counts
4 → 12
Calls
4 calls:
Slowest
450.0ms
(sqrt (fma (fma (/ l x) l (* t t)) 2 (/ (* (* t t) 4) x)))
73.0ms
(fma (fma (/ l x) l (* t t)) 2 (/ (* (* t t) 4) x))
69.0ms
(* (* (cbrt (sqrt 2)) (cbrt (sqrt 2))) (* (cbrt (sqrt 2)) t))
25.0ms
(/ (* (* t t) 4) x)

simplify4.1s

Counts
45 → 90
Calls
45 calls:
Slowest
473.0ms
(* (* (* (* (cbrt (sqrt 2)) (cbrt (sqrt 2))) (* (cbrt (sqrt 2)) (cbrt (sqrt 2)))) (* (cbrt (sqrt 2)) (cbrt (sqrt 2)))) (* (sqrt 2) (* (* t t) t)))
456.0ms
(* (* (sqrt 2) (sqrt 2)) (* (* (* (cbrt (sqrt 2)) t) (* (cbrt (sqrt 2)) t)) (* (cbrt (sqrt 2)) t)))
248.0ms
(sqrt (sqrt (fma (fma (/ l x) l (* t t)) 2 (/ (* (* t t) 4) x))))
244.0ms
(/ (* (* (* (* t t) 4) (* (* t t) 4)) (* (* t t) 4)) (* (* x x) x))
210.0ms
(+ (* 2 (pow t 2)) (+ (* 2 (/ (pow l 2) x)) (* 4 (/ (pow t 2) x))))

prune1.4s

Pruning

9 alts after pruning (8 fresh and 1 done)

Merged error: 3.9b

localize47.0ms

Local error

Found 4 expressions with local error:

27.3b
(sqrt (fma (fma (/ l x) l (* t t)) 2 (/ (* (* t t) 4) x)))
9.5b
(/ (* (* t t) 4) x)
3.8b
(fma (fma (/ l x) l (* t t)) 2 (/ (* (* t t) 4) x))
0.3b
(* (sqrt (sqrt 2)) (* (sqrt (sqrt 2)) t))

rewrite62.0ms

Algorithm
rewrite-expression-head
Rules
18×add-cbrt-cube add-exp-log
12×sqrt-prod
11×add-sqr-sqrt
10×pow1 *-un-lft-identity add-cube-cbrt
associate-*l*
prod-exp cbrt-unprod
expm1-log1p-u insert-posit16 log1p-expm1-u add-log-exp
cbrt-undiv associate-/r* times-frac div-exp pow-prod-down
rem-sqrt-square clear-num frac-2neg sqrt-pow1 pow1/2 associate-*r* *-commutative fma-udef div-inv associate-/l*
Counts
4 → 80
Calls
4 calls:
Slowest
30.0ms
(/ (* (* t t) 4) x)
29.0ms
(* (sqrt (sqrt 2)) (* (sqrt (sqrt 2)) t))
1.0ms
(sqrt (fma (fma (/ l x) l (* t t)) 2 (/ (* (* t t) 4) x)))
0.0ms
(fma (fma (/ l x) l (* t t)) 2 (/ (* (* t t) 4) x))

series742.0ms

Counts
4 → 12
Calls
4 calls:
Slowest
536.0ms
(sqrt (fma (fma (/ l x) l (* t t)) 2 (/ (* (* t t) 4) x)))
97.0ms
(fma (fma (/ l x) l (* t t)) 2 (/ (* (* t t) 4) x))
67.0ms
(* (sqrt (sqrt 2)) (* (sqrt (sqrt 2)) t))
42.0ms
(/ (* (* t t) 4) x)

simplify3.0s

Counts
46 → 92
Calls
46 calls:
Slowest
281.0ms
(* (* (* (sqrt (sqrt 2)) (sqrt (sqrt 2))) (sqrt (sqrt 2))) (* (* (* (sqrt (sqrt 2)) t) (* (sqrt (sqrt 2)) t)) (* (sqrt (sqrt 2)) t)))
228.0ms
(sqrt (sqrt (fma (fma (/ l x) l (* t t)) 2 (/ (* (* t t) 4) x))))
203.0ms
(+ (* 2 (pow t 2)) (+ (* 2 (/ (pow l 2) x)) (* 4 (/ (pow t 2) x))))
200.0ms
(/ (* (* (* (* t t) t) (* (* t t) t)) (* (* 4 4) 4)) (* (* x x) x))
191.0ms
(/ (* (* (* (* t t) 4) (* (* t t) 4)) (* (* t t) 4)) (* (* x x) x))

prune1.3s

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 3.9b

regimes437.0ms

Accuracy

78.5% (5.0b remaining)

Error of 9.1b against oracle of 4.1b and baseline of 27.6b

bsearch549.0ms

end0.0ms

sample9.3s

Algorithm
intervals
Results
2.3s10004×body80nan
1.4s1050×body640valid
1.2s5010×body80valid
993.0ms909×body1280valid
978.0ms574×body1280nan
818.0ms679×body320valid
571.0ms614×body640nan
240.0ms352×body160valid
170.0ms306×body320nan
66.0ms181×body160nan