Details

Time bar (total: 19.0s)

sample100.0ms

Algorithm
intervals
Results
52.0ms283×body80valid
27.0ms87×body80nan

simplify172.0ms

Counts
1 → 1
Calls
1 calls:
Slowest
172.0ms
(if (>= b 0) (/ (* 2 c) (- (- b) (sqrt (- (* b b) (* (* 4 a) c))))) (/ (+ (- b) (sqrt (- (* b b) (* (* 4 a) c)))) (* 2 a)))

prune14.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 18.4b

localize163.0ms

Local error

Found 4 expressions with local error:

21.1b
(sqrt (fma -4 (* c a) (* b b)))
21.1b
(sqrt (fma -4 (* c a) (* b b)))
1.6b
(fma -4 (* c a) (* b b))
1.6b
(fma -4 (* c a) (* b b))

rewrite10.0ms

Algorithm
rewrite-expression-head
Rules
add-sqr-sqrt
pow1 *-un-lft-identity add-cube-cbrt sqrt-prod
expm1-log1p-u add-cbrt-cube add-exp-log insert-posit16 log1p-expm1-u add-log-exp
rem-sqrt-square sqrt-pow1 pow1/2 fma-udef
Counts
4 → 54
Calls
4 calls:
Slowest
5.0ms
(sqrt (fma -4 (* c a) (* b b)))
2.0ms
(sqrt (fma -4 (* c a) (* b b)))
0.0ms
(fma -4 (* c a) (* b b))
0.0ms
(fma -4 (* c a) (* b b))

series427.0ms

Counts
4 → 12
Calls
4 calls:
Slowest
130.0ms
(sqrt (fma -4 (* c a) (* b b)))
122.0ms
(sqrt (fma -4 (* c a) (* b b)))
91.0ms
(fma -4 (* c a) (* b b))
84.0ms
(fma -4 (* c a) (* b b))

simplify840.0ms

Counts
22 → 66
Calls
22 calls:
Slowest
105.0ms
(- (pow b 2) (* 4 (* a c)))
96.0ms
(- (pow b 2) (* 4 (* a c)))
90.0ms
(- (pow b 2) (* 4 (* a c)))
81.0ms
(- (pow b 2) (* 4 (* a c)))
73.0ms
(- (pow b 2) (* 4 (* a c)))

prune1.0s

Pruning

6 alts after pruning (6 fresh and 0 done)

Merged error: 10.9b

localize195.0ms

Local error

Found 4 expressions with local error:

21.8b
(cbrt (fma -4 (* c a) (* b b)))
21.8b
(cbrt (fma -4 (* c a) (* b b)))
21.8b
(cbrt (fma -4 (* c a) (* b b)))
21.1b
(sqrt (fma -4 (* c a) (* b b)))

rewrite8.0ms

Algorithm
rewrite-expression-head
Rules
cbrt-prod add-sqr-sqrt
*-un-lft-identity add-cube-cbrt
pow1
expm1-log1p-u add-cbrt-cube add-exp-log insert-posit16 log1p-expm1-u add-log-exp
pow1/3 sqrt-prod
rem-sqrt-square sqrt-pow1 pow1/2
Counts
4 → 58
Calls
4 calls:
Slowest
2.0ms
(sqrt (fma -4 (* c a) (* b b)))
2.0ms
(cbrt (fma -4 (* c a) (* b b)))
1.0ms
(cbrt (fma -4 (* c a) (* b b)))
1.0ms
(cbrt (fma -4 (* c a) (* b b)))

series1.4s

Counts
4 → 12
Calls
4 calls:
Slowest
721.0ms
(cbrt (fma -4 (* c a) (* b b)))
308.0ms
(cbrt (fma -4 (* c a) (* b b)))
247.0ms
(cbrt (fma -4 (* c a) (* b b)))
121.0ms
(sqrt (fma -4 (* c a) (* b b)))

simplify2.6s

Counts
26 → 70
Calls
26 calls:
Slowest
315.0ms
(exp (* 1/3 (- (log -4) (+ (log (/ 1 a)) (log (/ 1 c))))))
289.0ms
(exp (* 1/3 (- (log -4) (+ (log (/ 1 a)) (log (/ 1 c))))))
278.0ms
(- (pow b 2/3) (* 4/3 (* (* a c) (pow (/ 1 (pow b 4)) 1/3))))
277.0ms
(- (pow b 2/3) (* 4/3 (* (* a c) (pow (/ 1 (pow b 4)) 1/3))))
274.0ms
(- (pow b 2/3) (* 4/3 (* (* a c) (pow (/ 1 (pow b 4)) 1/3))))

prune1.3s

Pruning

7 alts after pruning (7 fresh and 0 done)

Merged error: 10.9b

localize204.0ms

Local error

Found 4 expressions with local error:

21.8b
(cbrt (fma -4 (* c a) (* b b)))
21.8b
(cbrt (fma -4 (* c a) (* b b)))
21.1b
(sqrt (fma -4 (* c a) (* b b)))
21.1b
(sqrt (fma -4 (* c a) (* b b)))

rewrite8.0ms

Algorithm
rewrite-expression-head
Rules
10×add-sqr-sqrt
*-un-lft-identity add-cube-cbrt
cbrt-prod pow1 sqrt-prod
expm1-log1p-u add-cbrt-cube add-exp-log insert-posit16 log1p-expm1-u add-log-exp
rem-sqrt-square sqrt-pow1 pow1/2 pow1/3
Counts
4 → 60
Calls
4 calls:
Slowest
2.0ms
(sqrt (fma -4 (* c a) (* b b)))
2.0ms
(sqrt (fma -4 (* c a) (* b b)))
1.0ms
(cbrt (fma -4 (* c a) (* b b)))
1.0ms
(cbrt (fma -4 (* c a) (* b b)))

series768.0ms

Counts
4 → 12
Calls
4 calls:
Slowest
268.0ms
(cbrt (fma -4 (* c a) (* b b)))
235.0ms
(cbrt (fma -4 (* c a) (* b b)))
135.0ms
(sqrt (fma -4 (* c a) (* b b)))
129.0ms
(sqrt (fma -4 (* c a) (* b b)))

simplify2.2s

Counts
28 → 72
Calls
28 calls:
Slowest
402.0ms
(- (pow b 2/3) (* 4/3 (* (* a c) (pow (/ 1 (pow b 4)) 1/3))))
386.0ms
(- (pow b 2/3) (* 4/3 (* (* a c) (pow (/ 1 (pow b 4)) 1/3))))
262.0ms
(exp (* 1/3 (- (log -4) (+ (log (/ -1 c)) (log (/ -1 a))))))
261.0ms
(exp (* 1/3 (- (log -4) (+ (log (/ 1 a)) (log (/ 1 c))))))
244.0ms
(exp (* 1/3 (- (log -4) (+ (log (/ -1 c)) (log (/ -1 a))))))

prune1.6s

Pruning

7 alts after pruning (6 fresh and 1 done)

Merged error: 10.9b

localize165.0ms

Local error

Found 4 expressions with local error:

21.1b
(sqrt (fma -4 (* c a) (* b b)))
21.1b
(sqrt (fma -4 (* c a) (* b b)))
21.1b
(sqrt (fma -4 (* c a) (* b b)))
21.1b
(sqrt (fma -4 (* c a) (* b b)))

rewrite10.0ms

Algorithm
rewrite-expression-head
Rules
12×add-sqr-sqrt sqrt-prod
pow1 *-un-lft-identity add-cube-cbrt
expm1-log1p-u rem-sqrt-square sqrt-pow1 add-cbrt-cube pow1/2 add-exp-log insert-posit16 log1p-expm1-u add-log-exp
Counts
4 → 64
Calls
4 calls:
Slowest
2.0ms
(sqrt (fma -4 (* c a) (* b b)))
2.0ms
(sqrt (fma -4 (* c a) (* b b)))
2.0ms
(sqrt (fma -4 (* c a) (* b b)))
2.0ms
(sqrt (fma -4 (* c a) (* b b)))

series434.0ms

Counts
4 → 12
Calls
4 calls:
Slowest
129.0ms
(sqrt (fma -4 (* c a) (* b b)))
114.0ms
(sqrt (fma -4 (* c a) (* b b)))
106.0ms
(sqrt (fma -4 (* c a) (* b b)))
86.0ms
(sqrt (fma -4 (* c a) (* b b)))

simplify521.0ms

Counts
32 → 76
Calls
32 calls:
Slowest
46.0ms
(sqrt (* (cbrt (fma -4 (* c a) (* b b))) (cbrt (fma -4 (* c a) (* b b)))))
45.0ms
(sqrt (* (cbrt (fma -4 (* c a) (* b b))) (cbrt (fma -4 (* c a) (* b b)))))
43.0ms
(sqrt (sqrt (fma -4 (* c a) (* b b))))
42.0ms
(sqrt (fma -4 (* c a) (* b b)))
40.0ms
(sqrt (fma -4 (* c a) (* b b)))

prune1.3s

Pruning

7 alts after pruning (6 fresh and 1 done)

Merged error: 10.9b

regimes290.0ms

Accuracy

92.4% (0.6b remaining)

Error of 13.1b against oracle of 12.6b and baseline of 19.9b

bsearch151.0ms

end0.0ms

sample3.1s

Algorithm
intervals
Results
1.9s8736×body80valid
530.0ms2799×body80nan