perf: use VirtualMachine::load_data at initialization (lambdaclass#1441)

Co-authored-by: fmoletta <[email protected]>
Moonsong-Labs · Jan 26, 2024 · 0ea638f · 0ea638f
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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)
+
 * feat: Add `print_output` flag to `cairo-1` crate [#1575] (https://github.com/lambdaclass/cairo-vm/pull/1575)
 
 * bugfixes(BREAKING): Fix memory hole count inconsistencies #[1585] (https://github.com/lambdaclass/cairo-vm/pull/1585)

diff --git a/vm/src/vm/runners/cairo_runner.rs b/vm/src/vm/runners/cairo_runner.rs
@@ -429,8 +429,7 @@ 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