rmuir commented on code in PR #13572:
URL: https://github.com/apache/lucene/pull/13572#discussion_r1678799350
##########
lucene/core/build.gradle:
##########
@@ -14,10 +14,43 @@
* See the License for the specific language governing permissions and
* limitations under the License.
*/
+plugins {
+ id "c"
+}
apply plugin: 'java-library'
+apply plugin: 'c'
description = 'Lucene core library'
+model {
+ toolChains {
+ gcc(Gcc) {
+ target("linux_aarch64"){
+ cppCompiler.withArguments { args ->
+ args << "-O3 --shared"
Review Comment:
try something like `-O3 -march=armv8.4-a -funroll-loops` to test NEON. The
documentation says that cortex/neoverse can do 4 of these in parallel, and GCC
appears at a glance to unroll the SDOTs: https://godbolt.org/z/drbvW3TE1
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