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Essentialpostv1 future #3

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merged 5 commits into from
Apr 30, 2015
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Essentialpostv1 future #3

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6f72e60
Clean up accidential duplication of "extra math" features.
sunfishcode Apr 30, 2015
169f3f0
Move the note about prioritizing features based on developer feedback…
sunfishcode Apr 30, 2015
8307058
Remove features from EssentialPostV1Features.md covered in FutureFeat…
sunfishcode Apr 30, 2015
60dff8e
Move JIT support to FutureFeatures.md.
sunfishcode Apr 30, 2015
156cb20
Remove irreducible control flow.
sunfishcode Apr 30, 2015
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28 changes: 2 additions & 26 deletions EssentialPostV1Features.md
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Original file line number Diff line number Diff line change
@@ -1,9 +1,7 @@
# Essential Post-v.1 Features

This is a list of essential features we *know* we need but were not part of the
Minimum Viable Product that is [v.1](V1.md). These will be developed following
the [high-level goals](HighLevelGoals.md), and prioritized based on developer
feedback.
Minimum Viable Product that is [v.1](V1.md).


*This is just a skeleton list to start a discussion*
Expand All @@ -12,6 +10,7 @@ feedback.
* TODO

## Threads
* Shared memory
* Atomics
* Futex or [synchronic][]
* Thread-local storage
Expand All @@ -21,31 +20,8 @@ feedback.
## Fixed-width SIMD
* TODO

## Dynamic loading
* TODO

## Platform-independent Just-in-Time compilatione
* TODO
* Potentially through dynamic loading.

## Fine-grained memory management
* Shared memory
* `mmap`/`munmap`/`madvise`

## Zero-cost Exception Handling
* Developer access to stack unwinding and inspection.

## Garbage collection
* TODO

## Signature-restricted Proper Tail Calls
* TODO

## Irreducible control flow
* TODO

## Extra math
The following features may not work the same on all platforms:
* Fused multiply-add.
* Reciprocal square-root approximate.
* 16-bit floating-point values.
9 changes: 7 additions & 2 deletions FutureFeatures.md
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Expand Up @@ -3,7 +3,8 @@
These are features that make sense in the context of the
[high-level goals](HighLevelGoals.md) of WebAssembly but are not considered part of the
[Minimum Viable Product](V1.md) or the [essential post-v.1 feature set](EssentialPostV1Features.md)
which are expected to be standardized immediately after v.1.
which are expected to be standardized immediately after v.1. These will be
prioritized based on developer feedback.

## Dynamic loading
* Both load-time and run-time.
Expand Down Expand Up @@ -38,6 +39,10 @@ which are expected to be standardized immediately after v.1.
## Non-fixed-width SIMD
* TODO

## Operations which may not work the same on all platforms
## Operations which may not be available or may not perform well on all platforms
* FMA, reciprocal sqrt approximate, fp16
* TODO

## Platform-independent Just-in-Time compilatione
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Typo.

* TODO
* Potentially through dynamic loading.