AngersZhuuuu commented on code in PR #55230:
URL: https://github.com/apache/spark/pull/55230#discussion_r3048946292
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common/unsafe/src/main/java/org/apache/spark/unsafe/Platform.java:
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@@ -240,6 +240,10 @@ public static void setMemory(long address, byte value,
long size) {
public static void copyMemory(
Object src, long srcOffset, Object dst, long dstOffset, long length) {
+ if (length <= UNSAFE_COPY_THRESHOLD) {
Review Comment:
We use parca to verify this, only this API. The benefit means in prod, most
should be less than 1m
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