git: openjdk/babylon: code-reflection: initial prototype of prefix sum experiment

[Gary Frost]

Changeset: 161d5835
Branch: code-reflection
Author:    Gary Frost <gfrost at openjdk.org>
Date:      2025-10-01 14:22:01 +0000
URL:       https://git.openjdk.org/babylon/commit/161d583585ceb2e2ecca2c95649acd59560c1bf9

initial prototype of prefix sum experiment

+ hat/examples/experiments/src/main/java/experiments/PrefixSum.java
! hat/intellij/.idea/modules.xml
+ hat/intellij/example_matmul.iml