Merge to Master for 1.93.0

.drone.star

@@ -19,12 +19,10 @@ def main(ctx):
   gcc13_things_to_test = [ "special_fun", "distribution_tests", "mp", "misc", "interpolators", "quadrature", "autodiff", "long-running-tests", "float128_tests", "concepts", "new_floats" ]
   sanitizer_test = [ "special_fun", "distribution_tests", "misc", "interpolators", "quadrature", "float128_tests" ]
   reverse_mode_autodiff_test = [ "test_reverse_mode_autodiff", "autodiff-long-running-tests", "gradient_based_optimizers" ]
-  gnu_5_stds = [ "gnu++14", "c++14" ]
-  gnu_6_stds = [ "gnu++14", "c++14", "gnu++17", "c++17" ]
-  clang_6_stds = [ "c++14", "c++17" ]
-  gnu_9_stds = [ "gnu++14", "c++14", "gnu++17", "c++17", "gnu++2a", "c++2a" ]
-  clang_10_stds = [ "c++14", "c++17", "c++2a" ]
-  gnu_non_native = [ "gnu++17" ]
+  cxx17_stds = [ "c++17" ]
+  gnu_cxx17_stds = [ "gnu++17" ]
+  non_native_stds = [ "c++17" ]
+  s390x_things_to_test = [ "special_fun", "distribution_tests" ]
   gcc13_stds = [ "c++23" ]
 
   result = []
@@ -35,43 +33,30 @@ def main(ctx):
     #
     result.append(linux_cxx("Ubuntu Clang-18 C++20 ASAN" + " " + suite, "clang++-18", packages="clang-18", privileged=True, buildtype="boost", image="cppalliance/droneubuntu2404:1", environment={'TOOLSET': 'clang', 'COMPILER': 'clang++-18', 'CXXSTD': 'gnu++20', 'TEST_SUITE': suite, 'OPTIONS': '<cxxflags>-fsanitize=address <linkflags>-fsanitize=address <cxxflags>-DBOOST_CI_SANITIZER_BUILD' }, globalenv=globalenv))
     result.append(linux_cxx("Ubuntu Clang-18 C++20 USAN" + " " + suite, "clang++-18", packages="clang-18", privileged=True, buildtype="boost", image="cppalliance/droneubuntu2404:1", environment={'TOOLSET': 'clang', 'COMPILER': 'clang++-18', 'CXXSTD': 'gnu++20', 'TEST_SUITE': suite, 'OPTIONS': '<cxxflags>-fsanitize=undefined <linkflags>-fsanitize=undefined <cxxflags>-DBOOST_CI_SANITIZER_BUILD' }, globalenv=globalenv))
-    result.append(linux_cxx("Ubuntu Clang-18 C++20 TSAN" + " " + suite, "clang++-18", packages="clang-18", privileged=True, buildtype="boost", image="cppalliance/droneubuntu2404:1", environment={'TOOLSET': 'clang', 'COMPILER': 'clang++-18', 'CXXSTD': 'gnu++20', 'TEST_SUITE': suite, 'OPTIONS': '<cxxflags>-fsanitize=thread <linkflags>-fsanitize=thread <cxxflags>-DBOOST_CI_SANITIZER_BUILD' }, globalenv=globalenv))
-    result.append(linux_cxx("Ubuntu Clang-18 C++20 ISAN" + " " + suite, "clang++-18", packages="clang-18", privileged=True, buildtype="boost", image="cppalliance/droneubuntu2404:1", environment={'TOOLSET': 'clang', 'COMPILER': 'clang++-18', 'CXXSTD': 'gnu++20', 'TEST_SUITE': suite, 'OPTIONS': '<cxxflags>-fsanitize=integer <linkflags>-fsanitize=integer' }, globalenv=globalenv))
 
   for suite in things_to_test:
-    for cxx in gnu_5_stds:
-      result.append(linux_cxx("Ubuntu g++-5 " + cxx + " " + suite, "g++-5", packages="g++-5", buildtype="boost", image="cppalliance/droneubuntu1804:1", environment={'TOOLSET': 'gcc', 'COMPILER': 'g++-5', 'CXXSTD': cxx, 'TEST_SUITE': suite, }, globalenv=globalenv))
-    for cxx in gnu_6_stds:
-      result.append(linux_cxx("Ubuntu g++-6 " + cxx + " " + suite, "g++-6", packages="g++-6", buildtype="boost", image="cppalliance/droneubuntu1804:1", environment={'TOOLSET': 'gcc', 'COMPILER': 'g++-6', 'CXXSTD': cxx, 'TEST_SUITE': suite, }, globalenv=globalenv))
-      result.append(linux_cxx("Ubuntu g++-7 " + cxx + " " + suite, "g++-7", packages="g++-7", buildtype="boost", image="cppalliance/droneubuntu1804:1", environment={'TOOLSET': 'gcc', 'COMPILER': 'g++-7', 'CXXSTD': cxx, 'TEST_SUITE': suite, }, globalenv=globalenv))
-      result.append(linux_cxx("Ubuntu g++-8 " + cxx + " " + suite, "g++-8", packages="g++-8", buildtype="boost", image="cppalliance/droneubuntu2004:1", environment={'TOOLSET': 'gcc', 'COMPILER': 'g++-8', 'CXXSTD': cxx, 'TEST_SUITE': suite, }, globalenv=globalenv))
+    # Minimum supported C++17 compilers.
+    for cxx in cxx17_stds:
       result.append(linux_cxx("Ubuntu g++-9 " + cxx + " " + suite, "g++-9", packages="g++-9", buildtype="boost", image="cppalliance/droneubuntu2004:1", environment={'TOOLSET': 'gcc', 'COMPILER': 'g++-9', 'CXXSTD': cxx, 'TEST_SUITE': suite, }, globalenv=globalenv))
-    for cxx in clang_6_stds:
-      result.append(linux_cxx("Ubuntu clang++-6 " + cxx + " " + suite, "clang++-6.0", packages="clang-6.0", llvm_os="bionic", llvm_ver="6.0", buildtype="boost", image="cppalliance/droneubuntu1804:1", environment={'TOOLSET': 'clang', 'COMPILER': 'clang++-6.0', 'CXXSTD': cxx, 'TEST_SUITE': suite, }, globalenv=globalenv))
       result.append(linux_cxx("Ubuntu clang++-7 " + cxx + " " + suite, "clang++-7", packages="clang-7", llvm_os="bionic", llvm_ver="7", buildtype="boost", image="cppalliance/droneubuntu1804:1", environment={'TOOLSET': 'clang', 'COMPILER': 'clang++-7', 'CXXSTD': cxx, 'TEST_SUITE': suite, }, globalenv=globalenv))
-      result.append(linux_cxx("Ubuntu clang++-8 " + cxx + " " + suite, "clang++-8", packages="clang-8", llvm_os="bionic", llvm_ver="8", buildtype="boost", image="cppalliance/droneubuntu1804:1", environment={'TOOLSET': 'clang', 'COMPILER': 'clang++-8', 'CXXSTD': cxx, 'TEST_SUITE': suite, }, globalenv=globalenv))
-      result.append(linux_cxx("Ubuntu clang++-9 " + cxx + " " + suite, "clang++-9", packages="clang-9", llvm_os="focal", llvm_ver="9", buildtype="boost", image="cppalliance/droneubuntu2004:1", environment={'TOOLSET': 'clang', 'COMPILER': 'clang++-9', 'CXXSTD': cxx, 'TEST_SUITE': suite, }, globalenv=globalenv))
-    for cxx in gnu_9_stds:
-      result.append(linux_cxx("Ubuntu g++-10 " + cxx + " " + suite, "g++-10", packages="g++-10", buildtype="boost", image="cppalliance/droneubuntu2204:1", environment={'TOOLSET': 'gcc', 'COMPILER': 'g++-10', 'CXXSTD': cxx, 'TEST_SUITE': suite, }, globalenv=globalenv))
-      result.append(linux_cxx("Ubuntu g++-11 " + cxx + " " + suite, "g++-11", packages="g++-11", buildtype="boost", image="cppalliance/droneubuntu2204:1", environment={'TOOLSET': 'gcc', 'COMPILER': 'g++-11', 'CXXSTD': cxx, 'TEST_SUITE': suite, }, globalenv=globalenv))
+
+    # Keep one GNU-mode GCC configuration across the full suite.  This
+    # exercises GNU extensions used by the __float128/libquadmath path.
+    for cxx in gnu_cxx17_stds:
       result.append(linux_cxx("Ubuntu g++-12 " + cxx + " " + suite, "g++-12", packages="g++-12", buildtype="boost", image="cppalliance/droneubuntu2204:1", environment={'TOOLSET': 'gcc', 'COMPILER': 'g++-12', 'CXXSTD': cxx, 'TEST_SUITE': suite, }, globalenv=globalenv))
-      result.append(linux_cxx("Ubuntu clang++-14 " + cxx + " " + suite, "clang++-14", packages="clang-14", llvm_os="jammy", llvm_ver="14", buildtype="boost", image="cppalliance/droneubuntu2204:1", environment={'TOOLSET': 'clang', 'COMPILER': 'clang++-14', 'CXXSTD': cxx, 'TEST_SUITE': suite, }, globalenv=globalenv))
-      result.append(linux_cxx("Ubuntu clang++-15 " + cxx + " " + suite, "clang++-15", packages="clang-15", llvm_os="jammy", llvm_ver="15", buildtype="boost", image="cppalliance/droneubuntu2204:1", environment={'TOOLSET': 'clang', 'COMPILER': 'clang++-15', 'CXXSTD': cxx, 'TEST_SUITE': suite, }, globalenv=globalenv))
-    for cxx in clang_10_stds:
-      result.append(linux_cxx("Ubuntu clang++-10 " + cxx + " " + suite, "clang++-10", packages="clang-10", llvm_os="xenial", llvm_ver="10", buildtype="boost", image="cppalliance/droneubuntu1804:1", environment={'TOOLSET': 'clang', 'COMPILER': 'clang++-10', 'CXXSTD': cxx, 'TEST_SUITE': suite, }, globalenv=globalenv))
-    for cxx in gnu_non_native:
-      result.append(linux_cxx("Ubuntu g++ s390s " + cxx + " " + suite, "g++", packages="g++", buildtype="boost", image="cppalliance/droneubuntu2404:multiarch", arch="s390x", environment={'TOOLSET': 'gcc', 'COMPILER': 'g++', 'CXXSTD': cxx, 'TEST_SUITE': suite, }, globalenv=globalenv))
-    for cxx in gnu_non_native:
+
+    # Keep architecture coverage, but do it once in the minimum language mode.
+    for cxx in non_native_stds:
+      # The s390x runners are few and shared with all of Boost, so their queue sets the length of the
+      # whole build: test only the suites that big-endian and IEEE quad long double matter most for.
+      if suite in s390x_things_to_test:
+        result.append(linux_cxx("Ubuntu g++ s390s " + cxx + " " + suite, "g++", packages="g++", buildtype="boost", image="cppalliance/droneubuntu2404:multiarch", arch="s390x", environment={'TOOLSET': 'gcc', 'COMPILER': 'g++', 'CXXSTD': cxx, 'TEST_SUITE': suite, }, globalenv=globalenv))
       result.append(linux_cxx("Ubuntu g++ ARM64" + cxx + " " + suite, "g++", packages="g++", buildtype="boost", image="cppalliance/droneubuntu2404:multiarch", arch="arm64", environment={'TOOLSET': 'gcc', 'COMPILER': 'g++', 'CXXSTD': cxx, 'TEST_SUITE': suite, }, globalenv=globalenv))
-    for cxx in gnu_non_native:
-      result.append(osx_cxx("M1 Clang " + cxx + " " + suite, "clang++", buildscript="drone", buildtype="boost", xcode_version="14.1", environment={'TOOLSET': 'clang', 'CXXSTD': cxx, 'TEST_SUITE': suite, 'DEFINE': 'BOOST_MATH_NO_REAL_CONCEPT_TESTS,BOOST_MATH_NO_LONG_DOUBLE_MATH_FUNCTIONS,BOOST_MATH_MULTI_ARCH_CI_RUN', }, globalenv=globalenv))
   for suite in gcc13_things_to_test:
     for cxx in gcc13_stds:
-      result.append(linux_cxx("Ubuntu g++-13 " + cxx + " " + suite, "g++-13", packages="g++-13", buildtype="boost", image="cppalliance/droneubuntu2404:1", environment={'TOOLSET': 'gcc', 'COMPILER': 'g++-13', 'CXXSTD': cxx, 'TEST_SUITE': suite, }, globalenv=globalenv))
       result.append(linux_cxx("Ubuntu g++-14 " + cxx + " " + suite, "g++-14", packages="g++-14", buildtype="boost", image="cppalliance/droneubuntu2404:1", environment={'TOOLSET': 'gcc', 'COMPILER': 'g++-14', 'CXXSTD': cxx, 'TEST_SUITE': suite, }, globalenv=globalenv))
   for suite in reverse_mode_autodiff_test:
     for cxx in gcc13_stds:
-      result.append(linux_cxx("Ubuntu g++-13 " + cxx + " " + suite, "g++-13", packages="g++-13", buildtype="boost", image="cppalliance/droneubuntu2404:1", environment={'TOOLSET': 'gcc', 'COMPILER': 'g++-13', 'CXXSTD': cxx, 'TEST_SUITE': suite, }, globalenv=globalenv))
       result.append(linux_cxx("Ubuntu g++-14 " + cxx + " " + suite, "g++-14", packages="g++-14", buildtype="boost", image="cppalliance/droneubuntu2404:1", environment={'TOOLSET': 'gcc', 'COMPILER': 'g++-14', 'CXXSTD': cxx, 'TEST_SUITE': suite, }, globalenv=globalenv))
 
   return result

.drone/boost.sh

@@ -41,7 +41,7 @@ echo '==================================> SCRIPT'
 
 echo "using $TOOLSET : : $COMPILER : <cxxflags>-std=$CXXSTD $OPTIONS ;" > ~/user-config.jam
 (cd libs/config/test && ../../../b2 print_config_info print_math_info toolset=$TOOLSET)
-(cd libs/math/test && ../../../b2 -j3 toolset=$TOOLSET $TEST_SUITE)
+(cd libs/math/test && ../../../b2 -d0 -j3 toolset=$TOOLSET $TEST_SUITE)
 
 echo '==================================> AFTER_SUCCESS'
 

.drone/drone.sh

@@ -50,9 +50,18 @@ echo '==================================> BEFORE_SCRIPT'
 
 echo '==================================> SCRIPT'
 
-echo "using $TOOLSET : : $COMPILER : <cxxflags>-std=$CXXSTD $OPTIONS ;" > ~/user-config.jam
+# Contract a*b + c into fused multiply-add, across expressions, as every CI job does: gcc's ISO
+# -std=c++NN modes otherwise mean -ffp-contract=off. -O2 rather than b2's default of -O0: it is what
+# users build with, and gcc does not fuse below it. FMA is in the base aarch64 and s390x instruction
+# sets; x86 needs it switched on, where the CPU has it. The x86 runners without it (kh1 and kh2)
+# have no FMA instruction to contract into, so they build without fused operations.
+FMA_FLAGS="<cxxflags>-ffp-contract=fast <cxxflags>-O2"
+if [ "$(uname -m)" = x86_64 ] && grep -qw fma /proc/cpuinfo; then FMA_FLAGS="<cxxflags>-mfma $FMA_FLAGS"; fi
+echo "using $TOOLSET : : $COMPILER : <cxxflags>-std=$CXXSTD $OPTIONS $FMA_FLAGS ;" > ~/user-config.jam
 (cd libs/config/test && ../../../b2 print_config_info print_math_info toolset=$TOOLSET)
-(cd libs/math/test && ../../../b2 -j3 toolset=$TOOLSET $TEST_SUITE)
+# inlining=on: b2's debug variant adds -fno-inline, which is not how users optimize, and clang
+# needs over 6 GB for one multiprecision test that way.
+(cd libs/math/test && ../../../b2 -d0 -j3 toolset=$TOOLSET inlining=on $TEST_SUITE)
 
 echo '==================================> AFTER_SUCCESS'