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build: add "fastest-runtime" profile for runtime optimization #8554

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merged 1 commit into from
May 6, 2024
Merged

build: add "fastest-runtime" profile for runtime optimization #8554

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5 changes: 5 additions & 0 deletions Cargo.toml
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Original file line number Diff line number Diff line change
Expand Up @@ -457,3 +457,8 @@ incremental = false
debug-assertions = false
overflow-checks = false
opt-level = 's'

[profile.fastest-runtime]
inherits = "release"
codegen-units = 1
lto = true
26 changes: 18 additions & 8 deletions crates/c-api/CMakeLists.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -4,15 +4,23 @@ project(wasmtime C)
set(WASMTIME_USER_CARGO_BUILD_OPTIONS "" CACHE STRING "Additional cargo flags (such as --features) to apply to the build command")
option(BUILD_SHARED_LIBS "Build using shared libraries" OFF)
option(WASMTIME_ALWAYS_BUILD "If cmake should always invoke cargo to build wasmtime" ON)
option(WASMTIME_FASTEST_RUNTIME "Set flags designed to optimize runtime performance" OFF)

if(CMAKE_BUILD_TYPE STREQUAL "Release" OR
CMAKE_BUILD_TYPE STREQUAL "MinSizeRel" OR
CMAKE_BUILD_TYPE STREQUAL "RelWithDebInfo"
)
set(WASMTIME_BUILD_TYPE_FLAG "--release")
set(WASMTIME_BUILD_TYPE "release")
if(WASMTIME_FASTEST_RUNTIME)
set(WASMTIME_BUILD_TYPE_FLAG "--profile=fastest-runtime")
set(WASMTIME_BUILD_TYPE "fastest-runtime")
set(CARGO_PROFILE_PANIC CARGO_PROFILE_RELEASE_PANIC)
else()
set(WASMTIME_BUILD_TYPE "debug")
if(CMAKE_BUILD_TYPE STREQUAL "Release" OR
CMAKE_BUILD_TYPE STREQUAL "MinSizeRel" OR
CMAKE_BUILD_TYPE STREQUAL "RelWithDebInfo")
set(WASMTIME_BUILD_TYPE_FLAG "--release")
set(WASMTIME_BUILD_TYPE "release")
set(CARGO_PROFILE_PANIC CARGO_PROFILE_RELEASE_PANIC)
else()
set(WASMTIME_BUILD_TYPE "debug")
set(CARGO_PROFILE_PANIC CARGO_PROFILE_DEBUG_PANIC)
endif()
endif()

if(ANDROID)
Expand Down Expand Up @@ -89,7 +97,9 @@ ExternalProject_Add(
DOWNLOAD_COMMAND ""
CONFIGURE_COMMAND ""
INSTALL_COMMAND "${WASMTIME_INSTALL_COMMAND}"
BUILD_COMMAND ${WASMTIME_PREBUILD_COMMAND} ${WASMTIME_CARGO_BINARY} build ${WASMTIME_BUILD_TYPE_FLAG} ${WASMTIME_USER_CARGO_BUILD_OPTIONS} ${WASMTIME_BUILD_TARGET}
BUILD_COMMAND
${CMAKE_COMMAND} -E env ${CARGO_PROFILE_PANIC}=abort
${WASMTIME_PREBUILD_COMMAND} ${WASMTIME_CARGO_BINARY} build ${WASMTIME_BUILD_TYPE_FLAG} ${WASMTIME_USER_CARGO_BUILD_OPTIONS} ${WASMTIME_BUILD_TARGET}
USES_TERMINAL_BUILD TRUE
BINARY_DIR ${CMAKE_CURRENT_SOURCE_DIR}/artifact
BUILD_ALWAYS ${WASMTIME_ALWAYS_BUILD}
Expand Down