Mercurial > jdk8-mips64-public / file comparison
comparison: common/autoconf/build-performance.m4
common/autoconf/build-performance.m4
- changeset 635
- 907a926d3c96
- parent 512
- 582c696033f5
- child 717
- e247ee3924d5
equal
deleted
inserted
replaced
| 634:0adf9c626bb1 | 635:907a926d3c96 |
|---|---|
| 44 elif test -n "$NUMBER_OF_PROCESSORS"; then | 44 elif test -n "$NUMBER_OF_PROCESSORS"; then |
| 45 # On windows, look in the env | 45 # On windows, look in the env |
| 46 NUM_CORES=$NUMBER_OF_PROCESSORS | 46 NUM_CORES=$NUMBER_OF_PROCESSORS |
| 47 FOUND_CORES=yes | 47 FOUND_CORES=yes |
| 48 fi | 48 fi |
| 49 | |
| 50 # For c/c++ code we run twice as many concurrent build | |
| 51 # jobs than we have cores, otherwise we will stall on io. | |
| 52 CONCURRENT_BUILD_JOBS=`expr $NUM_CORES \* 2` | |
| 53 | 49 |
| 54 if test "x$FOUND_CORES" = xyes; then | 50 if test "x$FOUND_CORES" = xyes; then |
| 55 AC_MSG_RESULT([$NUM_CORES]) | 51 AC_MSG_RESULT([$NUM_CORES]) |
| 56 else | 52 else |
| 57 AC_MSG_RESULT([could not detect number of cores, defaulting to 1]) | 53 AC_MSG_RESULT([could not detect number of cores, defaulting to 1]) |
| 96 fi | 92 fi |
| 97 ]) | 93 ]) |
| 98 | 94 |
| 99 AC_DEFUN_ONCE([BPERF_SETUP_BUILD_CORES], | 95 AC_DEFUN_ONCE([BPERF_SETUP_BUILD_CORES], |
| 100 [ | 96 [ |
| 101 # How many cores do we have on this build system? | 97 # How many cores do we have on this build system? |
| 102 AC_ARG_WITH(num-cores, [AS_HELP_STRING([--with-num-cores], | 98 AC_ARG_WITH(num-cores, [AS_HELP_STRING([--with-num-cores], |
| 103 [number of cores in the build system, e.g. --with-num-cores=8 @<:@probed@:>@])]) | 99 [number of cores in the build system, e.g. --with-num-cores=8 @<:@probed@:>@])]) |
| 104 if test "x$with_num_cores" = x; then | 100 if test "x$with_num_cores" = x; then |
| 105 # The number of cores were not specified, try to probe them. | 101 # The number of cores were not specified, try to probe them. |
| 106 BPERF_CHECK_CORES | 102 BPERF_CHECK_CORES |
| 107 else | 103 else |
| 108 NUM_CORES=$with_num_cores | 104 NUM_CORES=$with_num_cores |
| 109 CONCURRENT_BUILD_JOBS=`expr $NUM_CORES \* 2` | 105 fi |
| 110 fi | 106 AC_SUBST(NUM_CORES) |
| 111 AC_SUBST(NUM_CORES) | |
| 112 AC_SUBST(CONCURRENT_BUILD_JOBS) | |
| 113 ]) | 107 ]) |
| 114 | 108 |
| 115 AC_DEFUN_ONCE([BPERF_SETUP_BUILD_MEMORY], | 109 AC_DEFUN_ONCE([BPERF_SETUP_BUILD_MEMORY], |
| 116 [ | 110 [ |
| 117 # How much memory do we have on this build system? | 111 # How much memory do we have on this build system? |
| 118 AC_ARG_WITH(memory-size, [AS_HELP_STRING([--with-memory-size], | 112 AC_ARG_WITH(memory-size, [AS_HELP_STRING([--with-memory-size], |
| 119 [memory (in MB) available in the build system, e.g. --with-memory-size=1024 @<:@probed@:>@])]) | 113 [memory (in MB) available in the build system, e.g. --with-memory-size=1024 @<:@probed@:>@])]) |
| 120 if test "x$with_memory_size" = x; then | 114 if test "x$with_memory_size" = x; then |
| 121 # The memory size was not specified, try to probe it. | 115 # The memory size was not specified, try to probe it. |
| 122 BPERF_CHECK_MEMORY_SIZE | 116 BPERF_CHECK_MEMORY_SIZE |
| 123 else | 117 else |
| 124 MEMORY_SIZE=$with_memory_size | 118 MEMORY_SIZE=$with_memory_size |
| 125 fi | 119 fi |
| 126 AC_SUBST(MEMORY_SIZE) | 120 AC_SUBST(MEMORY_SIZE) |
| 121 ]) | |
| 122 | |
| 123 AC_DEFUN_ONCE([BPERF_SETUP_BUILD_JOBS], | |
| 124 [ | |
| 125 # Provide a decent default number of parallel jobs for make depending on | |
| 126 # number of cores, amount of memory and machine architecture. | |
| 127 AC_ARG_WITH(jobs, [AS_HELP_STRING([--with-jobs], | |
| 128 [number of parallel jobs to let make run @<:@calculated based on cores and memory@:>@])]) | |
| 129 if test "x$with_jobs" = x; then | |
| 130 # Number of jobs was not specified, calculate. | |
| 131 AC_MSG_CHECKING([for appropriate number of jobs to run in parallel]) | |
| 132 # Approximate memory in GB, rounding up a bit. | |
| 133 memory_gb=`expr $MEMORY_SIZE / 1100` | |
| 134 # Pick the lowest of memory in gb and number of cores. | |
| 135 if test "$memory_gb" -lt "$NUM_CORES"; then | |
| 136 JOBS="$memory_gb" | |
| 137 else | |
| 138 JOBS="$NUM_CORES" | |
| 139 # On bigger machines, leave some room for other processes to run | |
| 140 if test "$JOBS" -gt "4"; then | |
| 141 JOBS=`expr $JOBS '*' 90 / 100` | |
| 142 fi | |
| 143 fi | |
| 144 # Cap number of jobs to 16 | |
| 145 if test "$JOBS" -gt "16"; then | |
| 146 JOBS=16 | |
| 147 fi | |
| 148 AC_MSG_RESULT([$JOBS]) | |
| 149 else | |
| 150 JOBS=$with_jobs | |
| 151 fi | |
| 152 AC_SUBST(JOBS) | |
| 127 ]) | 153 ]) |
| 128 | 154 |
| 129 AC_DEFUN([BPERF_SETUP_CCACHE], | 155 AC_DEFUN([BPERF_SETUP_CCACHE], |
| 130 [ | 156 [ |
| 131 AC_ARG_ENABLE([ccache], | 157 AC_ARG_ENABLE([ccache], |
