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Enable dp4a for the CI #9684

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Feb 4, 2018
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Enable dp4a for the CI #9684

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6 changes: 5 additions & 1 deletion tests/ci_build/ci_build.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -168,6 +168,10 @@ echo "Running '${COMMAND[@]}' inside ${DOCKER_IMG_NAME}..."
# ${WORKDIR} is the working directory we start the container in. By default this
# is /workspace, but for example when running cmake it is sometimes /workspace/build.

# Currently compiling for sm52 (g3s) and sm61(p3s). sm61 is required to test DP4A support on p3
# instances. In the long term we should enable sm70 for p3 instances, but this will require
# CUDA 9(.1) support with our base AMI drivers.

${DOCKER_BINARY} run --rm --pid=host \
-v ${WORKSPACE}:/workspace \
-w ${WORKDIR} \
Expand All @@ -176,7 +180,7 @@ ${DOCKER_BINARY} run --rm --pid=host \
-e "CI_BUILD_UID=$(id -u)" \
-e "CI_BUILD_GROUP=$(id -g -n)" \
-e "CI_BUILD_GID=$(id -g)" \
-e "CUDA_ARCH=-gencode arch=compute_52,code=[sm_52,compute_52] --fatbin-options -compress-all" \
-e "CUDA_ARCH=-gencode arch=compute_52,code=[sm_52,compute_52] -gencode arch=compute_61,code=sm_61 --fatbin-options -compress-all" \
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6.1 is Pascal based GPUs and thus would have no effect on our CI. Could you elaborate?

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This will produce backwards compatible binaries, including the dp4a instruction, that will work on p3 instances.

-e "MXNET_STORAGE_FALLBACK_LOG_VERBOSE=0" \
${CI_DOCKER_EXTRA_PARAMS[@]} \
${DOCKER_IMG_NAME} \
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