Hey there, thanks for this project!
I have been trying it out, and it's quite clear that the build is highly unoptimized. Trying it on two different, beefy machines, shows the build significantly slowing down around here:
[ 14%] Building CUDA object ggml/src/ggml-cuda/CMakeFiles/ggml-cuda.dir/template-instances/fattn-mma-kvarn-instance-ncols1_1-ncols2_8.cu.o
[ 14%] Building CUDA object ggml/src/ggml-cuda/CMakeFiles/ggml-cuda.dir/template-instances/fattn-mma-kvarn-instance-ncols1_16-ncols2_1.cu.o
[ 14%] Building CUDA object ggml/src/ggml-cuda/CMakeFiles/ggml-cuda.dir/template-instances/fattn-mma-kvarn-instance-ncols1_16-ncols2_2.cu.o
[ 14%] Building CUDA object ggml/src/ggml-cuda/CMakeFiles/ggml-cuda.dir/template-instances/fattn-mma-kvarn-instance-ncols1_16-ncols2_4.cu.o
[ 14%] Building CUDA object ggml/src/ggml-cuda/CMakeFiles/ggml-cuda.dir/template-instances/fattn-mma-kvarn-instance-ncols1_16-ncols2_8.cu.o
[ 15%] Building CUDA object ggml/src/ggml-cuda/CMakeFiles/ggml-cuda.dir/template-instances/fattn-mma-kvarn-instance-ncols1_2-ncols2_4.cu.o
[ 15%] Building CUDA object ggml/src/ggml-cuda/CMakeFiles/ggml-cuda.dir/template-instances/fattn-mma-kvarn-instance-ncols1_2-ncols2_8.cu.o
[ 15%] Building CUDA object ggml/src/ggml-cuda/CMakeFiles/ggml-cuda.dir/template-instances/fattn-mma-kvarn-instance-ncols1_32-ncols2_1.cu.o
[ 15%] Building CUDA object ggml/src/ggml-cuda/CMakeFiles/ggml-cuda.dir/template-instances/fattn-mma-kvarn-instance-ncols1_32-ncols2_2.cu.o
[ 15%] Building CUDA object ggml/src/ggml-cuda/CMakeFiles/ggml-cuda.dir/template-instances/fattn-mma-kvarn-instance-ncols1_4-ncols2_2.cu.o
[ 15%] Building CUDA object ggml/src/ggml-cuda/CMakeFiles/ggml-cuda.dir/template-instances/fattn-mma-kvarn-instance-ncols1_4-ncols2_4.cu.o
[ 15%] Building CUDA object ggml/src/ggml-cuda/CMakeFiles/ggml-cuda.dir/template-instances/fattn-mma-kvarn-instance-ncols1_4-ncols2_8.cu.o
[ 15%] Building CUDA object ggml/src/ggml-cuda/CMakeFiles/ggml-cuda.dir/template-instances/fattn-mma-kvarn-instance-ncols1_64-ncols2_1.cu.o
[ 16%] Building CUDA object ggml/src/ggml-cuda/CMakeFiles/ggml-cuda.dir/template-instances/fattn-mma-kvarn-instance-ncols1_8-ncols2_1.cu.o
[ 16%] Building CUDA object ggml/src/ggml-cuda/CMakeFiles/ggml-cuda.dir/template-instances/fattn-mma-kvarn-instance-ncols1_8-ncols2_2.cu.o
[ 16%] Building CUDA object ggml/src/ggml-cuda/CMakeFiles/ggml-cuda.dir/template-instances/fattn-mma-kvarn-instance-ncols1_8-ncols2_4.cu.o
[ 16%] Building CUDA object ggml/src/ggml-cuda/CMakeFiles/ggml-cuda.dir/template-instances/fattn-mma-kvarn-instance-ncols1_8-ncols2_8.cu.o
[ 16%] Building CUDA object ggml/src/ggml-cuda/CMakeFiles/ggml-cuda.dir/template-instances/fattn-mma-kvarn-decode-instance-k8-v8.cu.o
[ 16%] Building CUDA object ggml/src/ggml-cuda/CMakeFiles/ggml-cuda.dir/template-instances/fattn-mma-kvarn-decode-instance-k8-v6.cu.o
[ 16%] Building CUDA object ggml/src/ggml-cuda/CMakeFiles/ggml-cuda.dir/template-instances/fattn-mma-kvarn-decode-instance-k8-v5.cu.o
[ 16%] Building CUDA object ggml/src/ggml-cuda/CMakeFiles/ggml-cuda.dir/template-instances/fattn-mma-kvarn-decode-instance-k6-v6.cu.o
[ 17%] Building CUDA object ggml/src/ggml-cuda/CMakeFiles/ggml-cuda.dir/template-instances/fattn-mma-kvarn-decode-instance-k6-v5.cu.o
[ 17%] Building CUDA object ggml/src/ggml-cuda/CMakeFiles/ggml-cuda.dir/template-instances/fattn-mma-kvarn-decode-instance-k6-v4.cu.o
[ 17%] Building CUDA object ggml/src/ggml-cuda/CMakeFiles/ggml-cuda.dir/template-instances/fattn-mma-kvarn-decode-instance-k5-v5.cu.o
[ 17%] Building CUDA object ggml/src/ggml-cuda/CMakeFiles/ggml-cuda.dir/template-instances/fattn-mma-kvarn-decode-instance-k5-v4.cu.o
[ 17%] Building CUDA object ggml/src/ggml-cuda/CMakeFiles/ggml-cuda.dir/template-instances/fattn-mma-kvarn-decode-instance-k5-v3.cu.o
[ 17%] Building CUDA object ggml/src/ggml-cuda/CMakeFiles/ggml-cuda.dir/template-instances/fattn-mma-kvarn-decode-instance-k4-v4.cu.o
[ 17%] Building CUDA object ggml/src/ggml-cuda/CMakeFiles/ggml-cuda.dir/template-instances/fattn-mma-kvarn-decode-instance-k4-v3.cu.o
[ 17%] Building CUDA object ggml/src/ggml-cuda/CMakeFiles/ggml-cuda.dir/template-instances/fattn-mma-kvarn-decode-instance-k4-v2.cu.o
[ 18%] Building CUDA object ggml/src/ggml-cuda/CMakeFiles/ggml-cuda.dir/template-instances/fattn-mma-kvarn-decode-instance-k3-v3.cu.o
[ 18%] Building CUDA object ggml/src/ggml-cuda/CMakeFiles/ggml-cuda.dir/template-instances/fattn-mma-kvarn-decode-instance-k3-v2.cu.o
[ 18%] Building CUDA object ggml/src/ggml-cuda/CMakeFiles/ggml-cuda.dir/template-instances/fattn-mma-kvarn-decode-instance-k2-v2.cu.o
Notice that it is the kvarn object files that are the significant slowdown. Would you be willing to implement a build optimization fix? I'm guessing these are pulling in a significant amount of headers. It's quite unbelievable how slow the build is for these object files, each taking in the order of tens of minutes.
Hey there, thanks for this project!
I have been trying it out, and it's quite clear that the build is highly unoptimized. Trying it on two different, beefy machines, shows the build significantly slowing down around here:
Notice that it is the kvarn object files that are the significant slowdown. Would you be willing to implement a build optimization fix? I'm guessing these are pulling in a significant amount of headers. It's quite unbelievable how slow the build is for these object files, each taking in the order of tens of minutes.