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Reduce preferred vector size (#622)

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Co-authored-by: Ian Preston <ianopolous@protonmail.com>
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Dr Ian Preston 2024-01-28 21:39:17 +00:00 committed by GitHub
parent bb9bc68e41
commit 3a790c99b9
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GPG Key ID: B5690EEEBB952194
1 changed files with 5 additions and 5 deletions
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src/main/java/dev/morling/onebrc/CalculateAverage_ianopolousfast.java
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@ -49,9 +49,9 @@ public class CalculateAverage_ianopolousfast {
public static final int MAX_LINE_LENGTH = 107; public static final int MAX_LINE_LENGTH = 107;
public static final int MAX_STATIONS = 1 << 14; public static final int MAX_STATIONS = 1 << 14;
private static final OfLong LONG_LAYOUT = JAVA_LONG_UNALIGNED.withOrder(ByteOrder.BIG_ENDIAN); private static final OfLong LONG_LAYOUT = JAVA_LONG_UNALIGNED.withOrder(ByteOrder.BIG_ENDIAN);
private static final VectorSpecies<Byte> BYTE_SPECIES = ByteVector.SPECIES_PREFERRED.length() >= 32 private static final VectorSpecies<Byte> BYTE_SPECIES = ByteVector.SPECIES_PREFERRED.length() >= 16
? ByteVector.SPECIES_256 ? ByteVector.SPECIES_128
: ByteVector.SPECIES_128; : ByteVector.SPECIES_64;
public static void main(String[] args) throws Exception { public static void main(String[] args) throws Exception {
Arena arena = Arena.global(); Arena arena = Arena.global();
@ -132,7 +132,7 @@ public class CalculateAverage_ianopolousfast {
if (keySize <= 8) { if (keySize <= 8) {
first8 = maskHighBytes(first8, keySize & 0x07); first8 = maskHighBytes(first8, keySize & 0x07);
} }
else if (keySize <= 16) { else if (keySize < 16) {
second8 = maskHighBytes(buffer.get(LONG_LAYOUT, lineStart + 8), keySize & 0x07); second8 = maskHighBytes(buffer.get(LONG_LAYOUT, lineStart + 8), keySize & 0x07);
} }
else if (keySize == BYTE_SPECIES.vectorByteSize()) { else if (keySize == BYTE_SPECIES.vectorByteSize()) {
@ -182,7 +182,7 @@ public class CalculateAverage_ianopolousfast {
if (keySize <= 8) { if (keySize <= 8) {
first8 = maskHighBytes(first8, keySize & 0x07); first8 = maskHighBytes(first8, keySize & 0x07);
} }
else if (keySize <= 16) { else if (keySize < 16) {
second8 = maskHighBytes(buffer.get(LONG_LAYOUT, lineStart + 8), keySize & 0x07); second8 = maskHighBytes(buffer.get(LONG_LAYOUT, lineStart + 8), keySize & 0x07);
} }
else if (keySize == BYTE_SPECIES.vectorByteSize()) { else if (keySize == BYTE_SPECIES.vectorByteSize()) {