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pytensor
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3e79dbaf
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3e79dbaf
authored
1月 30, 2012
作者:
Pascal Lamblin
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Small changes to NEWS.txt
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NEWS.txt
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3e79dbaf
UPDATED THIS FILE UP TO: 41103b5d158739e4147428ce776fb5716062d4a8
UPDATED THIS FILE UP TO: 41103b5d158739e4147428ce776fb5716062d4a8
* fix subtensor bug(report RP, fix PL) TODO BETTER DESCRIPTION! a7be89231eb26f7a39ab5448ef4abf90a6c0d529
If you have updated to 0.5rc1, you are highly encouraged to update to
If you have updated to 0.5rc1, you are highly encouraged to update to
0.5rc2. There
is more bug fix
and speed uptimization! But there is
0.5rc2. There
are more bug fixes
and speed uptimization! But there is
also a small new interface change about sum of [u]int* dtype.
also a small new interface change about sum of [u]int* dtype.
...
@@ -70,17 +68,17 @@ Scan fix:
...
@@ -70,17 +68,17 @@ Scan fix:
* computing grad of a function of grad of scan(reported by ?, Razvan)
* computing grad of a function of grad of scan(reported by ?, Razvan)
before : most of the time crash, but could be wrong value with bad number of dimensions(so a visible bug)
before : most of the time crash, but could be wrong value with bad number of dimensions(so a visible bug)
now : do the right thing.
now : do the right thing.
* gradient with respect to outputs using multiple taps(Timot
ty reported, fix
Razvan)
* gradient with respect to outputs using multiple taps(Timot
hy reported, fix by
Razvan)
before : it used to return wrong values
before : it used to return wrong values
now : do the right thing.
now : do the right thing.
Note: The reported case of this bug was happening in conjunction with the
Note: The reported case of this bug was happening in conjunction with the
save optimization of scan that give run time errors. So if you didn't
save optimization of scan that give run time errors. So if you didn't
manually disable the same memory optimization(number in the list4),
manually disable the same memory optimization(number in the list4),
you are fine if you didn't manually request multiple taps.
you are fine if you didn't manually request multiple taps.
* Rop of gradient of scan (reported by Timot
ty and Justin Bu
yer, fix by Razvan)
* Rop of gradient of scan (reported by Timot
hy and Justin Ba
yer, fix by Razvan)
before : compilation error when computing R-op
before : compilation error when computing R-op
now : do the right thing.
now : do the right thing.
* save memory optimization of scan (reported by Timot
t
y and Nicolas BL, fix by Razvan)
* save memory optimization of scan (reported by Timot
h
y and Nicolas BL, fix by Razvan)
before : for certain corner cases used to result in a runtime shape error
before : for certain corner cases used to result in a runtime shape error
now : do the right thing.
now : do the right thing.
* Scan grad when the input of scan has sequences of different lengths. (Razvan, reported by Michael Forbes)
* Scan grad when the input of scan has sequences of different lengths. (Razvan, reported by Michael Forbes)
...
@@ -154,7 +152,7 @@ Bug fixes (the result changed):
...
@@ -154,7 +152,7 @@ Bug fixes (the result changed):
code was affected by this bug. (Olivier, reported by Sander Dieleman)
code was affected by this bug. (Olivier, reported by Sander Dieleman)
* When indexing into a subtensor of negative stride (for instance, x[a:b:-1][c]),
* When indexing into a subtensor of negative stride (for instance, x[a:b:-1][c]),
an optimization replacing it with a direct indexing (x[d]) used an incorrect formula,
an optimization replacing it with a direct indexing (x[d]) used an incorrect formula,
leading to incorrect results. (Pascal)
leading to incorrect results. (Pascal
, reported by Razvan
)
Crashes fixed:
Crashes fixed:
...
@@ -220,7 +218,7 @@ Others:
...
@@ -220,7 +218,7 @@ Others:
* Add a warning about numpy bug with subtensor with more then 2**32 elemenent(TODO, more explicit)
* Add a warning about numpy bug with subtensor with more then 2**32 elemenent(TODO, more explicit)
* Added Scalar.ndim=0 and ScalarSharedVariable.ndim=0 (simplify code)(Razvan)
* Added Scalar.ndim=0 and ScalarSharedVariable.ndim=0 (simplify code)(Razvan)
* New min_informative_str() function to print graph. (Ian)
* New min_informative_str() function to print graph. (Ian)
* Fix catching of exception. (Sometimes we
catched interupt
) (Frederic, David, Ian, Olivier)
* Fix catching of exception. (Sometimes we
used to catch interrupts
) (Frederic, David, Ian, Olivier)
* Better support for uft string. (David)
* Better support for uft string. (David)
* Fix pydotprint with a function compiled with a ProfileMode (Frederic)
* Fix pydotprint with a function compiled with a ProfileMode (Frederic)
* Was broken with change to the profiler.
* Was broken with change to the profiler.
...
...
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