perf: use VirtualMachine::load_data at initialization

lambdaclass · Sep 11, 2023 · 9219369 · 9219369
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diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -2,6 +2,8 @@
 
 #### Upcoming Changes
 
+* perf: optimize instruction cache allocations by using `VirtualMachine::load_data` [#1441](https://github.com/lambdaclass/cairo-vm/pull/1441)
+
 * fix: ec_recover hints no longer panic when divisor is 0 [#1433](https://github.com/lambdaclass/cairo-vm/pull/1433)
 
 * feat: Implement the Serialize and Deserialize traits for the CairoPie struct [#1438](https://github.com/lambdaclass/cairo-vm/pull/1438)

diff --git a/vm/src/vm/runners/cairo_runner.rs b/vm/src/vm/runners/cairo_runner.rs
@@ -383,8 +383,7 @@ impl CairoRunner {
                 offset: prog_base.offset + entrypoint,
             };
             self.initial_pc = Some(initial_pc);
-            vm.segments
-                .load_data(prog_base, &self.program.shared_program_data.data)
+            vm.load_data(prog_base, &self.program.shared_program_data.data)
                 .map_err(RunnerError::MemoryInitializationError)?;
 
             // Mark all addresses from the program segment as accessed