New Cog VMs available

> ... at http://www.mirandabanda.org/files/Cog/VM/VM.r3308/.
>
> CogVM binaries as per VMMaker.oscog-eem.1178/r3308
>
> Plugins:
> Integrate Nicolas' fixes that use positiveMachineIntegerFor: for pointers.
>
> Newspeak:
> Print a warning in the method shared under multiple selectors scenario.
>
> Implement outer sends as clean sends just like implicit receiver sends. Add
> ObjectRepresentation>>illegalClassTag and use it for initializing and unlinking
> implicit and outer sends.
>
> Newspeak & Sista:
> The multiple bytecode set block initial nil counters need
> to be specific to the bytecode set in effect.
>
> Spur:
> Implement Clement's much better solution for the stale supersend problem.
> Place code at the send site for super sends to follow stale forwarded
> receivers.  This parallels the interpreter implementation.
>
> Beef up the post-become scan of send sites to
> unlink all send sites that link to an invalid class tag.
>
> Cogit:
> Optimize StackToRegisterMappingCogit>>genReturnReceiver
> to not load ReceiverResultReg if it already contains self.
>
> Revise method map generation to provide multiple send type annotations.  Add
> an IsAnnotationExtension annotation type that implicitly has a zero displacement
> and uses its displacement bits to extend the preceeding IsSendCall annotation.
> This allows us to eliminate all the exotic entry-points and keep only the
> checked and unchecked entries.
>
> Change IA32's genPushRegisterArgsForNumArgs: to not smash TempReg now that it
> is used in directed super send trampolines.
>
> Use PushCq to pass small integer constants in the trampolines instead of
> smashing TempReg, which is now used to hold the directed supersend argument.
> Add support for PushCq.  Could use PushCw but on x86 PushCq is a lot shorter.
>
> Mac builds: Use UTC as the timezone for the build timestamp.  Using the local
> timezone doesn't work :(.

> Best
> -Tobias
> On 09.04.2015, at 23:28, Eliot Miranda <[hidden email]> wrote:
>
>> ... at http://www.mirandabanda.org/files/Cog/VM/VM.r3308/.
>>
>> CogVM binaries as per VMMaker.oscog-eem.1178/r3308
>>
>> Plugins:
>> Integrate Nicolas' fixes that use positiveMachineIntegerFor: for pointers.
>>
>> Newspeak:
>> Print a warning in the method shared under multiple selectors scenario.
>>
>> Implement outer sends as clean sends just like implicit receiver sends. Add
>> ObjectRepresentation>>illegalClassTag and use it for initializing and unlinking
>> implicit and outer sends.
>>
>> Newspeak & Sista:
>> The multiple bytecode set block initial nil counters need
>> to be specific to the bytecode set in effect.
>>
>> Spur:
>> Implement Clement's much better solution for the stale supersend problem.
>> Place code at the send site for super sends to follow stale forwarded
>> receivers.  This parallels the interpreter implementation.
>>
>> Beef up the post-become scan of send sites to
>> unlink all send sites that link to an invalid class tag.
>>
>> Cogit:
>> Optimize StackToRegisterMappingCogit>>genReturnReceiver
>> to not load ReceiverResultReg if it already contains self.
>>
>> Revise method map generation to provide multiple send type annotations.  Add
>> an IsAnnotationExtension annotation type that implicitly has a zero displacement
>> and uses its displacement bits to extend the preceeding IsSendCall annotation.
>> This allows us to eliminate all the exotic entry-points and keep only the
>> checked and unchecked entries.
>>
>> Change IA32's genPushRegisterArgsForNumArgs: to not smash TempReg now that it
>> is used in directed super send trampolines.
>>
>> Use PushCq to pass small integer constants in the trampolines instead of
>> smashing TempReg, which is now used to hold the directed supersend argument.
>> Add support for PushCq.  Could use PushCw but on x86 PushCq is a lot shorter.
>>
>> Mac builds: Use UTC as the timezone for the build timestamp.  Using the local
>> timezone doesn't work :(.

>
> Best
>    -Tobias
>
>> Best
>>    -Tobias
>> On 09.04.2015, at 23:28, Eliot Miranda <[hidden email]> wrote:
>>
>>> ... at http://www.mirandabanda.org/files/Cog/VM/VM.r3308/.
>>>
>>> CogVM binaries as per VMMaker.oscog-eem.1178/r3308
>>>
>>> Plugins:
>>> Integrate Nicolas' fixes that use positiveMachineIntegerFor: for pointers.
>>>
>>> Newspeak:
>>> Print a warning in the method shared under multiple selectors scenario.
>>>
>>> Implement outer sends as clean sends just like implicit receiver sends. Add
>>> ObjectRepresentation>>illegalClassTag and use it for initializing and unlinking
>>> implicit and outer sends.
>>>
>>> Newspeak & Sista:
>>> The multiple bytecode set block initial nil counters need
>>> to be specific to the bytecode set in effect.
>>>
>>> Spur:
>>> Implement Clement's much better solution for the stale supersend problem.
>>> Place code at the send site for super sends to follow stale forwarded
>>> receivers.  This parallels the interpreter implementation.
>>>
>>> Beef up the post-become scan of send sites to
>>> unlink all send sites that link to an invalid class tag.
>>>
>>> Cogit:
>>> Optimize StackToRegisterMappingCogit>>genReturnReceiver
>>> to not load ReceiverResultReg if it already contains self.
>>>
>>> Revise method map generation to provide multiple send type annotations.  Add
>>> an IsAnnotationExtension annotation type that implicitly has a zero displacement
>>> and uses its displacement bits to extend the preceeding IsSendCall annotation.
>>> This allows us to eliminate all the exotic entry-points and keep only the
>>> checked and unchecked entries.
>>>
>>> Change IA32's genPushRegisterArgsForNumArgs: to not smash TempReg now that it
>>> is used in directed super send trampolines.
>>>
>>> Use PushCq to pass small integer constants in the trampolines instead of
>>> smashing TempReg, which is now used to hold the directed supersend argument.
>>> Add support for PushCq.  Could use PushCw but on x86 PushCq is a lot shorter.
>>>
>>> Mac builds: Use UTC as the timezone for the build timestamp.  Using the local
>>> timezone doesn't work :(.
>
>
>

>
>
>
> On Apr 9, 2015, at 3:21 PM, Tobias Pape <[hidden email]> wrote:
>
>>
>> On 10.04.2015, at 00:17, Tobias Pape <[hidden email]> wrote:
>>
>>> Updated on the CI :)
>>
>> aaand reverted. We got a crash:
>>   http://build.squeak.org/job/SqueakTrunk/1245/console
>

>  Otherwise I'm flying blind.
>
>>
>> Best
>>   -Tobias
>>
>>> Best
>>>   -Tobias
>>> On 09.04.2015, at 23:28, Eliot Miranda <[hidden email]> wrote:
>>>
>>>> ... at http://www.mirandabanda.org/files/Cog/VM/VM.r3308/.
>>>>
>>>> CogVM binaries as per VMMaker.oscog-eem.1178/r3308
>>>>
>>>> Plugins:
>>>> Integrate Nicolas' fixes that use positiveMachineIntegerFor: for pointers.
>>>>
>>>> Newspeak:
>>>> Print a warning in the method shared under multiple selectors scenario.
>>>>
>>>> Implement outer sends as clean sends just like implicit receiver sends. Add
>>>> ObjectRepresentation>>illegalClassTag and use it for initializing and unlinking
>>>> implicit and outer sends.
>>>>
>>>> Newspeak & Sista:
>>>> The multiple bytecode set block initial nil counters need
>>>> to be specific to the bytecode set in effect.
>>>>
>>>> Spur:
>>>> Implement Clement's much better solution for the stale supersend problem.
>>>> Place code at the send site for super sends to follow stale forwarded
>>>> receivers.  This parallels the interpreter implementation.
>>>>
>>>> Beef up the post-become scan of send sites to
>>>> unlink all send sites that link to an invalid class tag.
>>>>
>>>> Cogit:
>>>> Optimize StackToRegisterMappingCogit>>genReturnReceiver
>>>> to not load ReceiverResultReg if it already contains self.
>>>>
>>>> Revise method map generation to provide multiple send type annotations.  Add
>>>> an IsAnnotationExtension annotation type that implicitly has a zero displacement
>>>> and uses its displacement bits to extend the preceeding IsSendCall annotation.
>>>> This allows us to eliminate all the exotic entry-points and keep only the
>>>> checked and unchecked entries.
>>>>
>>>> Change IA32's genPushRegisterArgsForNumArgs: to not smash TempReg now that it
>>>> is used in directed super send trampolines.
>>>>
>>>> Use PushCq to pass small integer constants in the trampolines instead of
>>>> smashing TempReg, which is now used to hold the directed supersend argument.
>>>> Add support for PushCq.  Could use PushCw but on x86 PushCq is a lot shorter.
>>>>
>>>> Mac builds: Use UTC as the timezone for the build timestamp.  Using the local
>>>> timezone doesn't work :(.

> Hi Eliot,
>
> On 10.04.2015, at 15:46, Eliot Miranda <[hidden email]> wrote:
>
>>
>>
>>
>> On Apr 9, 2015, at 3:21 PM, Tobias Pape <[hidden email]> wrote:
>>
>>>
>>> On 10.04.2015, at 00:17, Tobias Pape <[hidden email]> wrote:
>>>
>>>> Updated on the CI :)
>>>
>>> aaand reverted. We got a crash:
>>>   http://build.squeak.org/job/SqueakTrunk/1245/console
>>
>
>
>> Yes.  I get a crash in updating with the v3 VM.  So far no problems with the Spur VM.  But Tibias, unless the bleeding edge gets tested how will I spit these regressions?  I need to know.  So can we not have two builds, one with the last known good and one with the bleeding edge?
>
> Sure, this is possible.
> probably something like a matrix build.
> Frank is more savvy with the infrastructure, tho.

> best
>         -Tobias
>
>
>>  Otherwise I'm flying blind.
>>
>>>
>>> Best
>>>   -Tobias
>>>
>>>> Best
>>>>   -Tobias
>>>> On 09.04.2015, at 23:28, Eliot Miranda <[hidden email]> wrote:
>>>>
>>>>> ... at http://www.mirandabanda.org/files/Cog/VM/VM.r3308/.
>>>>>
>>>>> CogVM binaries as per VMMaker.oscog-eem.1178/r3308
>>>>>
>>>>> Plugins:
>>>>> Integrate Nicolas' fixes that use positiveMachineIntegerFor: for pointers.
>>>>>
>>>>> Newspeak:
>>>>> Print a warning in the method shared under multiple selectors scenario.
>>>>>
>>>>> Implement outer sends as clean sends just like implicit receiver sends. Add
>>>>> ObjectRepresentation>>illegalClassTag and use it for initializing and unlinking
>>>>> implicit and outer sends.
>>>>>
>>>>> Newspeak & Sista:
>>>>> The multiple bytecode set block initial nil counters need
>>>>> to be specific to the bytecode set in effect.
>>>>>
>>>>> Spur:
>>>>> Implement Clement's much better solution for the stale supersend problem.
>>>>> Place code at the send site for super sends to follow stale forwarded
>>>>> receivers.  This parallels the interpreter implementation.
>>>>>
>>>>> Beef up the post-become scan of send sites to
>>>>> unlink all send sites that link to an invalid class tag.
>>>>>
>>>>> Cogit:
>>>>> Optimize StackToRegisterMappingCogit>>genReturnReceiver
>>>>> to not load ReceiverResultReg if it already contains self.
>>>>>
>>>>> Revise method map generation to provide multiple send type annotations.  Add
>>>>> an IsAnnotationExtension annotation type that implicitly has a zero displacement
>>>>> and uses its displacement bits to extend the preceeding IsSendCall annotation.
>>>>> This allows us to eliminate all the exotic entry-points and keep only the
>>>>> checked and unchecked entries.
>>>>>
>>>>> Change IA32's genPushRegisterArgsForNumArgs: to not smash TempReg now that it
>>>>> is used in directed super send trampolines.
>>>>>
>>>>> Use PushCq to pass small integer constants in the trampolines instead of
>>>>> smashing TempReg, which is now used to hold the directed supersend argument.
>>>>> Add support for PushCq.  Could use PushCw but on x86 PushCq is a lot shorter.
>>>>>
>>>>> Mac builds: Use UTC as the timezone for the build timestamp.  Using the local
>>>>> timezone doesn't work :(.
>
>
>

> On 10 April 2015 at 16:21, Tobias Pape <[hidden email]> wrote:
>> Hi Eliot,
>>
>> On 10.04.2015, at 15:46, Eliot Miranda <[hidden email]> wrote:
>>
>>>
>>>
>>>
>>> On Apr 9, 2015, at 3:21 PM, Tobias Pape <[hidden email]> wrote:
>>>
>>>>
>>>> On 10.04.2015, at 00:17, Tobias Pape <[hidden email]> wrote:
>>>>
>>>>> Updated on the CI :)
>>>>
>>>> aaand reverted. We got a crash:
>>>>  http://build.squeak.org/job/SqueakTrunk/1245/console
>>>
>>
>>
>>> Yes.  I get a crash in updating with the v3 VM.  So far no problems with the Spur VM.  But Tibias, unless the bleeding edge gets tested how will I spit these regressions?  I need to know.  So can we not have two builds, one with the last known good and one with the bleeding edge?
>>
>> Sure, this is possible.
>> probably something like a matrix build.
>> Frank is more savvy with the infrastructure, tho.
>
> I'd say that SqueakTrunk should use the latest stable Cog - its main
> purpose is to test _trunk's_ bleeding edge. We do also have
> SqueakTrunkOnSpur, which should track Spur's/Cog's bleeding edge.
>

>
> frank
>
>> best
>>        -Tobias
>>
>>
>>> Otherwise I'm flying blind.
>>>
>>>>
>>>> Best
>>>>  -Tobias
>>>>
>>>>> Best
>>>>>  -Tobias
>>>>> On 09.04.2015, at 23:28, Eliot Miranda <[hidden email]> wrote: