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Inform when vector api is present but not used #3139

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Inform when vector api is present but not used #3139

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14 changes: 12 additions & 2 deletions worldedit-core/src/main/java/com/fastasyncworldedit/core/internal/simd/SimdSupport.java
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Original file line number Diff line number Diff line change
Expand Up @@ -16,11 +16,13 @@
import jdk.incubator.vector.ShortVector;
import jdk.incubator.vector.VectorMask;
import jdk.incubator.vector.VectorOperators;
import org.apache.logging.log4j.Logger;

import javax.annotation.Nullable;

public class SimdSupport {

private static final Logger LOGGER = LogManagerCompat.getLogger();
private static final boolean VECTOR_API_PRESENT;

static {
Expand All @@ -32,8 +34,16 @@ public class SimdSupport {
}
VECTOR_API_PRESENT = vectorApiPresent;
if (!VECTOR_API_PRESENT && Settings.settings().EXPERIMENTAL.USE_VECTOR_API) {
LogManagerCompat.getLogger()
.warn("FAWE use-vector-api is enabled but --add-modules=jdk.incubator.vector is not set.");
LOGGER.warn("""
FAWE use-vector-api is enabled but --add-modules=jdk.incubator.vector is not set.
Vector instructions will not be used.
""");
} else if (VECTOR_API_PRESENT && !Settings.settings().EXPERIMENTAL.USE_VECTOR_API) {
LOGGER.warn("""
The server is running with the --add-modules=jdk.incubator.vector option.
FAWE can use vector instructions, but it is disabled in the config.
Enable use-vector-api to benefit from vector instructions with FAWE.\
""");
}
}

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