Changes signature of Iterable.singleWhere.
Makes LinkedHashMap no longer be a HashMap.
Change-Id: Ibd7e56e1ac03cb9fb10d19d1328d452fcd06d89f
Reviewed-on: https://dart-review.googlesource.com/32541
Commit-Queue: Lasse R.H. Nielsen <lrn@google.com>
Reviewed-by: Leaf Petersen <leafp@google.com>
The out param has been removed from Zircon and the structs and defines
renamed.
Change-Id: I9d6eaed2119b2c232f77b86f9b0d4a311be531c6
Reviewed-on: https://dart-review.googlesource.com/38782
Reviewed-by: Zach Anderson <zra@google.com>
These two values are not necessarily in sync: FLAG_use_field_guards can be set to
false while kernel-service is running from an app-jit snapshot with field
guards.
This caused major flakiness on kernel opt-counter-threshold bot.
This was a bug introduced by refactoring in d6eb8c6c27.
Change-Id: Icba874d319c1e96df90cae2d81e0bce3e752808b
Reviewed-on: https://dart-review.googlesource.com/38620
Reviewed-by: Erik Corry <erikcorry@google.com>
This relands 75a9579ea0.
The approach works as follows:
Step 1: Kernel transform. Under the closed world assumption compute the
set of selectors dispatched dynamically, then mark all procedures that don't
match any of those selectors as 'not-dispatched-dynamically'.
Step 2: VM backend. When building IR for a function if this function was
marked as not-dispatched-dynamically then omit type checks for any parameter
that is not marked as generic-covariant-impl, as such arguments are guaranteed
to be checked on the caller side (by front-end).
+------------------------+------------+----------+-----------+--------------+
| benchmark | baseline | current | with opt | improved by |
+------------------------+------------+----------+-----------+--------------+
| stock_layout_iteration | 2366.3786 | 2724.3 | 2562.75 | -5.93% |
| stock_build_iteration | 3824.3 | 4914.8 | 4681 | -4.76% |
+------------------------+------------+----------+-----------+--------------+
* Flutter gallery Instructions size is reduced by 11% (8748720 bytes to 7846368 bytes).
Baseline is at 6196496 bytes.
Alternatively to annotating individual procedures, I considered annotating Program node
with a set of dynamically dispatched selectors. Decoding and passing this information
around proved to be quite cumbersome in the "streaming" world, so I opted for a simpler
approach where all individual procedures are annotated.
Bug: https://github.com/dart-lang/sdk/issues/3179
Change-Id: I2f32a609e3872c74d5ae7bbd97555453aaedf15f
Reviewed-on: https://dart-review.googlesource.com/38125
Commit-Queue: Samir Jindel <sjindel@google.com>
Reviewed-by: Samir Jindel <sjindel@google.com>
This reverts commit 75a9579ea0.
Reason for revert: function_subtype_bound_closure7_test fails in darkp
Original change's description:
> [vm/kernel/aot] Skip unnecessary type checks on parameters of instance methods.
>
> The approach works as follows:
>
> Step 1: Kernel transform. Under the closed world assumption compute the
> set of selectors dispatched dynamically, then mark all procedures that don't
> match any of those selectors as 'not-dispatched-dynamically'.
>
> Step 2: VM backend. When building IR for a function if this function was
> marked as not-dispatched-dynamically then omit type checks for any parameter
> that is not marked as generic-covariant-impl, as such arguments are guaranteed
> to be checked on the caller side (by front-end).
>
> # Performance Impact
>
> +------------------------+------------+----------+-----------+--------------+
> | benchmark | baseline | current | with opt | improved by |
> +------------------------+------------+----------+-----------+--------------+
> | stock_layout_iteration | 2366.3786 | 2724.3 | 2562.75 | -5.93% |
> | stock_build_iteration | 3824.3 | 4914.8 | 4681 | -4.76% |
> +------------------------+------------+----------+-----------+--------------+
>
> * Flutter gallery Instructions size is reduced by 11% (8748720 bytes to 7846368 bytes).
> Baseline is at 6196496 bytes.
>
> # Alternative Implementations
>
> Alternatively to annotating individual procedures, I considered annotating Program node
> with a set of dynamically dispatched selectors. Decoding and passing this information
> around proved to be quite cumbersome in the "streaming" world, so I opted for a simpler
> approach where all individual procedures are annotated.
>
> Change-Id: I363db6d5dd1138fe25917646313c16d0b213c3b4
> Reviewed-on: https://dart-review.googlesource.com/37822
> Commit-Queue: Vyacheslav Egorov <vegorov@google.com>
> Reviewed-by: Alexander Markov <alexmarkov@google.com>
> Reviewed-by: Samir Jindel <sjindel@google.com>
TBR=vegorov@google.com,alexmarkov@google.com,sjindel@google.com
Change-Id: I0fd6bf3e6edfc3e605da2b996f9a0da6c409d01c
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Reviewed-on: https://dart-review.googlesource.com/37802
Reviewed-by: Vyacheslav Egorov <vegorov@google.com>
The approach works as follows:
Step 1: Kernel transform. Under the closed world assumption compute the
set of selectors dispatched dynamically, then mark all procedures that don't
match any of those selectors as 'not-dispatched-dynamically'.
Step 2: VM backend. When building IR for a function if this function was
marked as not-dispatched-dynamically then omit type checks for any parameter
that is not marked as generic-covariant-impl, as such arguments are guaranteed
to be checked on the caller side (by front-end).
# Performance Impact
+------------------------+------------+----------+-----------+--------------+
| benchmark | baseline | current | with opt | improved by |
+------------------------+------------+----------+-----------+--------------+
| stock_layout_iteration | 2366.3786 | 2724.3 | 2562.75 | -5.93% |
| stock_build_iteration | 3824.3 | 4914.8 | 4681 | -4.76% |
+------------------------+------------+----------+-----------+--------------+
* Flutter gallery Instructions size is reduced by 11% (8748720 bytes to 7846368 bytes).
Baseline is at 6196496 bytes.
# Alternative Implementations
Alternatively to annotating individual procedures, I considered annotating Program node
with a set of dynamically dispatched selectors. Decoding and passing this information
around proved to be quite cumbersome in the "streaming" world, so I opted for a simpler
approach where all individual procedures are annotated.
Change-Id: I363db6d5dd1138fe25917646313c16d0b213c3b4
Reviewed-on: https://dart-review.googlesource.com/37822
Commit-Queue: Vyacheslav Egorov <vegorov@google.com>
Reviewed-by: Alexander Markov <alexmarkov@google.com>
Reviewed-by: Samir Jindel <sjindel@google.com>
It was pointed out that the previous fix
(5c74e0e16f) wasn't strong mode safe
because the returned array when length = 0 was not properly typed.
This fixes the issue by removing the old fix and simply removing the
assert.
Bug: 31381
Change-Id: I6d63d3329da2711067f632adbb9be998a4d468d9
Reviewed-on: https://dart-review.googlesource.com/37741
Reviewed-by: Régis Crelier <regis@google.com>
Commit-Queue: Jens Johansen <jensj@google.com>
'void' is now allowed as type annotation for locals, fields, and formal
parameters, in addition to being previously allowed as type argument.
Update status files.
Change-Id: I6459f56824dc0a695615d8dc87c9a8a1f9be29ef
Reviewed-on: https://dart-review.googlesource.com/37651
Reviewed-by: Siva Annamalai <asiva@google.com>
Commit-Queue: Régis Crelier <regis@google.com>
There's an assert in InvocationMirror_unpackTypeArguments checking that
the length of the incomming TypeArguments is positive (len > 0).
That's not a valid assert.
When creating TypeArguments it will be TypeArguments::null() if it is
empty or contains only dynamic.
TypeArguments::null() will answer 0 as length which is thus perfectly
valid.
This CL fixes the wrong assert (technically it returns before the assert,
but still).
Fixes#31381.
Change-Id: I7a253418b69751b13e98fcf2def2b23b32f96142
Reviewed-on: https://dart-review.googlesource.com/37480
Reviewed-by: Samir Jindel <sjindel@google.com>
Commit-Queue: Jens Johansen <jensj@google.com>
This change, and the code introduced, is probably not going to be required
once the platform kernel file is linked into the executable.
Change-Id: I24a837c3a633a625145cf90ff83d3e51b3d23eb6
Reviewed-on: https://dart-review.googlesource.com/36720
Reviewed-by: Ryan Macnak <rmacnak@google.com>
Commit-Queue: Siva Chandra <sivachandra@google.com>
When the type to test against is instantiated and has no type arguments
there is a high probability that we receive instances of that class or
subclasses at runtime.
This CL therefore extends the fast-path of AssertAssignable/InstanceOf
by checking whether the instance class id is within the cid ranges that
directly/indirectly implement/extend the type to test against.
Currently we have an almost depth-first preorder numbering of class ids
in AOT, but there are exceptions. So each class can have a number of
cid-ranges as subclasses / classes which implement it's interface.
This seems to improve performance of dart-aot-v2
* flutter stock build by 15+%
* DeltaBlueClosures by 10+%
and reduces code size on
* flutter gallery by -3%
Issue https://github.com/dart-lang/sdk/issues/31798
Change-Id: I07dd91589cc3fcd8c5952bdba339e2e2a459e08e
Reviewed-on: https://dart-review.googlesource.com/35620
Commit-Queue: Martin Kustermann <kustermann@google.com>
Reviewed-by: Régis Crelier <regis@google.com>
Reviewed-by: Vyacheslav Egorov <vegorov@google.com>
The isolate creation callback flow was using DFE::kernel_file_specified()
to decide whether to load kernel program or not. However, since this flag
is not isolate specific, it was causing problems in the case where a dill
file was passed as the main dart program; the other isolates, even if
they were loading a snapshot, were looking for a kernel program.
This change was originally submitted as
"Make the decision, on whether to start the kernel isolate, liberal." It
was reverted due to failures on simdbc bots. This change is another
attempt which fixes those failures.
Change-Id: I096445faf470e77ab8f7cc810082891dcede5b60
Reviewed-on: https://dart-review.googlesource.com/36125
Commit-Queue: Siva Chandra <sivachandra@google.com>
Reviewed-by: Siva Annamalai <asiva@google.com>
Alexander Aprelev