lower cpu target to broadwell (hanabi1224#198)

* lower cpu target to broadwell

* node version

Author: hanabi1224

.github/workflows/bench.yml

@@ -233,6 +233,9 @@ jobs:
         os: [ubuntu-20.04]
     steps:
       - uses: actions/checkout@v2
+      - uses: actions/setup-node@v2
+        with:
+          node-version: 14.x
       - uses: actions/download-artifact@v2
         with:
           # Artifact name

.github/workflows/site.yml

@@ -16,25 +16,9 @@ jobs:
       - uses: actions/setup-node@v2
         with:
           node-version: 14.x
-      - name: Install
-        run: |
-          npm install --global yarn
-          yarn --version
-          yarn global bin
-          docker info
       - name: Build
         run: |
           pushd website
           yarn
           yarn build
           popd
-          
-          
-          
-          
-        
-        
-        
-        
-        
-        

bench/bench_chapel.yaml

@@ -37,7 +37,7 @@ environments:
     docker: chapel/chapel
     include: chapel
     include_sub_dir: src
-    build: mason build --release --show --static --ccflags -march=skylake
+    build: mason build --release --show --static --ccflags -march=broadwell
     after_build:
       - cp target/release/app out
     out_dir: out

bench/bench_fortran.yaml

@@ -28,7 +28,7 @@ environments:
     version: 10
     docker:
     include:
-    build: gfortran-10 -O3 -march=skylake -fomit-frame-pointer -fopenmp -lpthread -lgmp -o out/app app.f90
+    build: gfortran-10 -O3 -march=broadwell -fomit-frame-pointer -fopenmp -lpthread -lgmp -o out/app app.f90
     out_dir: out
     run_cmd: app
   - os: linux
@@ -37,6 +37,6 @@ environments:
     version: 7
     docker:
     include:
-    build: flang -O3 -march=skylake -fopenmp -L/usr/lib/llvm-7/lib/ -fopenmp-simd -lgmp -o out/app app.f90
+    build: flang -O3 -march=broadwell -fopenmp -L/usr/lib/llvm-7/lib/ -fopenmp-simd -lgmp -o out/app app.f90
     out_dir: out
     run_cmd: app

bench/bench_rust.yaml

@@ -70,7 +70,7 @@ environments:
     #   - /tmp/rs/target:/tmp/rs/target
     #   - /tmp/.cargo/registry:/usr/local/cargo/registry
     env:
-      RUSTFLAGS: -Ctarget-cpu=skylake
+      RUSTFLAGS: -Ctarget-cpu=broadwell
     include: rust
     include_sub_dir: src
     build: cargo +stable build --release --target-dir /tmp/rs/target -v

bench/bench_rust_nightly.yaml

@@ -26,7 +26,7 @@ environments:
     compiler: rustc
     version: nightly
     env:
-      RUSTFLAGS: -Ctarget-cpu=skylake
+      RUSTFLAGS: -Ctarget-cpu=broadwell
     include: rust-nightly
     include_sub_dir: src
     build: cargo +nightly build --release --target-dir /tmp/rsn/target -v

bench/bench_zig.yaml

@@ -43,6 +43,6 @@ environments:
     version: latest
     docker:
     include: zig
-    build: zig build -Dcpu=skylake --verbose-llvm-cpu-features
+    build: zig build -Dcpu=broadwell --verbose-llvm-cpu-features
     out_dir: out
     run_cmd: app

bench/include/c/app.rsp

@@ -1 +1 @@
--pipe -Wall -O3 -fomit-frame-pointer -march=skylake -fopenmp -pthread -lapr-1 -I/usr/include/apr-1.0 -o app app.c -lm
+-pipe -Wall -O3 -fomit-frame-pointer -march=broadwell -fopenmp -pthread -lapr-1 -I/usr/include/apr-1.0 -o app app.c -lm

bench/include/cpp/app.rsp

@@ -1 +1 @@
--pipe -Wall -O3 -fomit-frame-pointer -march=skylake -std=c++20 -static-libstdc++ -fopenmp -pthread -o app app.cpp
+-pipe -Wall -O3 -fomit-frame-pointer -march=broadwell -std=c++20 -static-libstdc++ -fopenmp -pthread -o app app.cpp

bench/include/ocaml/dune

@@ -7,7 +7,7 @@
   100
   -O3
   -cc
-  "gcc -pipe -Wall -O3 -fomit-frame-pointer -march=skylake -fopenmp"
+  "gcc -pipe -Wall -O3 -fomit-frame-pointer -march=broadwell -fopenmp"
   -nodynlink
   -noassert
   -unsafe

bench/tool/Program.cs

@@ -105,9 +105,12 @@ public static async Task Main(
             if (cpuInfo != null)
             {
                 Logger.Info(cpuInfo.ToString());
-                if (GithubActionUtils.IsGithubBuild && task == TaskBench && cpuInfo.Model < 80)
+                if (GithubActionUtils.IsGithubBuild && task == TaskBench && cpuInfo.Model < 79)
                 {
-                    throw new Exception("[github action] Fail intentionally on old cpu model prior to skylake, please retry.");
+                    // To print cpu features, use
+                    // either: 'rustc +nightly --print=cfg -C target-cpu=broadwell' (features like avx512 are missing from stable)
+                    // or 'zig build -Dcpu=broadwell --verbose-llvm-cpu-features'
+                    throw new Exception("[github action] Fail intentionally on old cpu model prior to broadwell, please retry.");
                 }
             }