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Optimize memory allocation in InternalContext by lazy initialization#1807

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Malaydewangan09 wants to merge 1 commit intogoogle:masterfrom
Malaydewangan09:perf/lazy-init-construction-contexts-1802
Open

Optimize memory allocation in InternalContext by lazy initialization#1807
Malaydewangan09 wants to merge 1 commit intogoogle:masterfrom
Malaydewangan09:perf/lazy-init-construction-contexts-1802

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perf(InternalContext): Optimize memory allocation by lazy initializing constructionContexts

The current implementation of InternalContext eagerly initializes the constructionContexts map,
leading to unnecessary memory allocation when retrieving singleton instances via Injector#getInstance(...)
or Provider#get(). This commit lazily initializes the constructionContexts map in the getConstructionContext
method, avoiding the creation of the IdentityHashMap and associated Object array when not needed.

This optimization should significantly reduce memory overhead in scenarios where singleton instances
are accessed frequently, improving the overall memory footprint of applications using Guice.

Resolves: #1802

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High memory consumption to obtain a Singleton instance via Injector or Provider

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