- 13 Feb, 2017 1 commit
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Leszek Swirski authored
Previously, accumulators and registers each had a single element cache, distinct from the local register cache. This meant that a) Dead accumulator state nodes were not re-used if the accumulator became live. b) Functions with only one parameter (the this object) or only one local register could not reuse the single-valued state value node of the accumulator. This patch introduces heavier re-use of state-value nodes, decreasing memory use when building the graph and decreasing the number of nodes created overall. Change-Id: Ie3cc6913483aab0819d99be382eb2cb42de8c3d2 Reviewed-on: https://chromium-review.googlesource.com/440926Reviewed-by:
Michael Starzinger <mstarzinger@chromium.org> Commit-Queue: Leszek Swirski <leszeks@chromium.org> Cr-Commit-Position: refs/heads/master@{#43148}
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- 05 Jan, 2017 1 commit
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leszeks authored
Add a more efficient encoding for state values that have a large number of optimized-out inputs. Review-Url: https://codereview.chromium.org/2509623002 Cr-Commit-Position: refs/heads/master@{#42088}
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- 17 Oct, 2016 1 commit
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jochen authored
R=machenbach@chromium.org,titzer@chromium.org,bmeurer@chromium.org,jgruber@chromium.org BUG= CQ_INCLUDE_TRYBOTS=master.tryserver.v8:v8_win_dbg,v8_mac_dbg;master.tryserver.chromium.android:android_arm64_dbg_recipe Review-Url: https://codereview.chromium.org/2416243002 Cr-Commit-Position: refs/heads/master@{#40350}
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- 30 Sep, 2016 1 commit
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leszeks authored
matching function, creates a hashmap the specialises the case of keys that simply check pointer equality. I measure an average ~1% improvement on Octane code-load. Review-Url: https://codereview.chromium.org/2369963002 Cr-Commit-Position: refs/heads/master@{#39920}
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- 19 Mar, 2015 1 commit
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jarin authored
With this change, we remember the types of frame state inputs (in a new operator, called TypedStateValues). Instead of inferring the value types when building translations, we used the recorded types. The original approach was not reliable because the passes after simplified lowering can change node types, and this in turn confuses the translation builder. BUG=chromium:468727 LOG=n R=bmeurer@chromium.org Review URL: https://codereview.chromium.org/1015423002 Cr-Commit-Position: refs/heads/master@{#27310}
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- 16 Mar, 2015 1 commit
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jarin authored
Instead of the current approach of storing flat vectors in frame states (and possibly reusing the last vector in AST graph builder), this change list builds a tree for the values and tries to reuse the nodes for different frame states. At the moment, we only use this for the local variable part of frame state, but nothing prevents us from using this for all parts. This change provides two new classes: one for creating the tree (StateValuesCache) and one for iterating the trees (StateValuesAccess). BUG= Review URL: https://codereview.chromium.org/1008213002 Cr-Commit-Position: refs/heads/master@{#27222}
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