build-performance.m4 revision 1791:358fb90ae6e6 
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5# This code is free software; you can redistribute it and/or modify it
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25
26AC_DEFUN([BPERF_CHECK_CORES],
27[
28  AC_MSG_CHECKING([for number of cores])
29  NUM_CORES=1
30  FOUND_CORES=no
31
32  if test -f /proc/cpuinfo; then
33    # Looks like a Linux (or cygwin) system
34    NUM_CORES=`cat /proc/cpuinfo  | grep -c processor`
35    FOUND_CORES=yes
36  elif test -x /usr/sbin/psrinfo; then
37    # Looks like a Solaris system
38    NUM_CORES=`LC_MESSAGES=C /usr/sbin/psrinfo -v | grep -c on-line`
39    FOUND_CORES=yes
40  elif test -x /usr/sbin/system_profiler; then
41    # Looks like a MacOSX system
42    NUM_CORES=`/usr/sbin/system_profiler -detailLevel full SPHardwareDataType | grep 'Cores' | awk  '{print [$]5}'`
43    FOUND_CORES=yes
44  elif test "x$OPENJDK_BUILD_OS" = xaix ; then
45    NUM_CORES=`/usr/sbin/prtconf | grep "^Number Of Processors" | awk '{ print [$]4 }'`
46    FOUND_CORES=yes
47  elif test -n "$NUMBER_OF_PROCESSORS"; then
48    # On windows, look in the env
49    NUM_CORES=$NUMBER_OF_PROCESSORS
50    FOUND_CORES=yes
51  fi
52
53  if test "x$FOUND_CORES" = xyes; then
54    AC_MSG_RESULT([$NUM_CORES])
55  else
56    AC_MSG_RESULT([could not detect number of cores, defaulting to 1])
57    AC_MSG_WARN([This will disable all parallelism from build!])
58  fi
59])
60
61AC_DEFUN([BPERF_CHECK_MEMORY_SIZE],
62[
63  AC_MSG_CHECKING([for memory size])
64  # Default to 1024 MB
65  MEMORY_SIZE=1024
66  FOUND_MEM=no
67
68  if test -f /proc/meminfo; then
69    # Looks like a Linux (or cygwin) system
70    MEMORY_SIZE=`cat /proc/meminfo | grep MemTotal | awk '{print [$]2}'`
71    MEMORY_SIZE=`expr $MEMORY_SIZE / 1024`
72    FOUND_MEM=yes
73  elif test -x /usr/sbin/prtconf; then
74    # Looks like a Solaris or AIX system
75    MEMORY_SIZE=`/usr/sbin/prtconf | grep "^Memory [[Ss]]ize" | awk '{ print [$]3 }'`
76    FOUND_MEM=yes
77  elif test -x /usr/sbin/system_profiler; then
78    # Looks like a MacOSX system
79    MEMORY_SIZE=`/usr/sbin/system_profiler -detailLevel full SPHardwareDataType | grep 'Memory' | awk  '{print [$]2}'`
80    MEMORY_SIZE=`expr $MEMORY_SIZE \* 1024`
81    FOUND_MEM=yes
82  elif test "x$OPENJDK_BUILD_OS" = xwindows; then
83    # Windows, but without cygwin
84    MEMORY_SIZE=`wmic computersystem get totalphysicalmemory -value | grep = | cut -d "=" -f 2-`
85    MEMORY_SIZE=`expr $MEMORY_SIZE / 1024 / 1024`
86    FOUND_MEM=yes
87  fi
88
89  if test "x$FOUND_MEM" = xyes; then
90    AC_MSG_RESULT([$MEMORY_SIZE MB])
91  else
92    AC_MSG_RESULT([could not detect memory size, defaulting to $MEMORY_SIZE MB])
93    AC_MSG_WARN([This might seriously impact build performance!])
94  fi
95])
96
97AC_DEFUN_ONCE([BPERF_SETUP_BUILD_CORES],
98[
99  # How many cores do we have on this build system?
100  AC_ARG_WITH(num-cores, [AS_HELP_STRING([--with-num-cores],
101      [number of cores in the build system, e.g. --with-num-cores=8 @<:@probed@:>@])])
102  if test "x$with_num_cores" = x; then
103    # The number of cores were not specified, try to probe them.
104    BPERF_CHECK_CORES
105  else
106    NUM_CORES=$with_num_cores
107  fi
108  AC_SUBST(NUM_CORES)
109])
110
111AC_DEFUN_ONCE([BPERF_SETUP_BUILD_MEMORY],
112[
113  # How much memory do we have on this build system?
114  AC_ARG_WITH(memory-size, [AS_HELP_STRING([--with-memory-size],
115      [memory (in MB) available in the build system, e.g. --with-memory-size=1024 @<:@probed@:>@])])
116  if test "x$with_memory_size" = x; then
117    # The memory size was not specified, try to probe it.
118    BPERF_CHECK_MEMORY_SIZE
119  else
120    MEMORY_SIZE=$with_memory_size
121  fi
122  AC_SUBST(MEMORY_SIZE)
123])
124
125AC_DEFUN_ONCE([BPERF_SETUP_BUILD_JOBS],
126[
127  # Provide a decent default number of parallel jobs for make depending on
128  # number of cores, amount of memory and machine architecture.
129  AC_ARG_WITH(jobs, [AS_HELP_STRING([--with-jobs],
130      [number of parallel jobs to let make run @<:@calculated based on cores and memory@:>@])])
131  if test "x$with_jobs" = x; then
132    # Number of jobs was not specified, calculate.
133    AC_MSG_CHECKING([for appropriate number of jobs to run in parallel])
134    # Approximate memory in GB.
135    memory_gb=`expr $MEMORY_SIZE / 1024`
136    # Pick the lowest of memory in gb and number of cores.
137    if test "$memory_gb" -lt "$NUM_CORES"; then
138      JOBS="$memory_gb"
139    else
140      JOBS="$NUM_CORES"
141      # On bigger machines, leave some room for other processes to run
142      if test "$JOBS" -gt "4"; then
143        JOBS=`expr $JOBS '*' 90 / 100`
144      fi
145    fi
146    # Cap number of jobs to 16
147    if test "$JOBS" -gt "16"; then
148      JOBS=16
149    fi
150    if test "$JOBS" -eq "0"; then
151      JOBS=1
152    fi
153    AC_MSG_RESULT([$JOBS])
154  else
155    JOBS=$with_jobs
156  fi
157  AC_SUBST(JOBS)
158])
159
160AC_DEFUN([BPERF_SETUP_CCACHE],
161[
162  AC_ARG_ENABLE([ccache],
163      [AS_HELP_STRING([--enable-ccache],
164      [enable using ccache to speed up recompilations @<:@disabled@:>@])])
165
166  CCACHE=
167  CCACHE_STATUS=
168  AC_MSG_CHECKING([is ccache enabled])
169  if test "x$enable_ccache" = xyes; then
170    if test "x$TOOLCHAIN_TYPE" = "xgcc" -o "x$TOOLCHAIN_TYPE" = "xclang"; then
171      AC_MSG_RESULT([yes])
172      OLD_PATH="$PATH"
173      if test "x$TOOLCHAIN_PATH" != x; then
174        PATH=$TOOLCHAIN_PATH:$PATH
175      fi
176      BASIC_REQUIRE_PROGS(CCACHE, ccache)
177      PATH="$OLD_PATH"
178      CCACHE_VERSION=[`$CCACHE --version | head -n1 | $SED 's/[A-Za-z ]*//'`]
179      CCACHE_STATUS="Active ($CCACHE_VERSION)"
180    else
181      AC_MSG_RESULT([no])
182      AC_MSG_WARN([ccache is not supported with toolchain type $TOOLCHAIN_TYPE])
183    fi
184  elif test "x$enable_ccache" = xno; then
185    AC_MSG_RESULT([no, explicitly disabled])
186    CCACHE_STATUS="Disabled"
187  elif test "x$enable_ccache" = x; then
188    AC_MSG_RESULT([no])
189  else
190    AC_MSG_RESULT([unknown])
191    AC_MSG_ERROR([--enable-ccache does not accept any parameters])
192  fi
193  AC_SUBST(CCACHE)
194
195  AC_ARG_WITH([ccache-dir],
196      [AS_HELP_STRING([--with-ccache-dir],
197      [where to store ccache files @<:@~/.ccache@:>@])])
198
199  if test "x$with_ccache_dir" != x; then
200    # When using a non home ccache directory, assume the use is to share ccache files
201    # with other users. Thus change the umask.
202    SET_CCACHE_DIR="CCACHE_DIR=$with_ccache_dir CCACHE_UMASK=002"
203    if test "x$CCACHE" = x; then
204      AC_MSG_WARN([--with-ccache-dir has no meaning when ccache is not enabled])
205    fi
206  fi
207
208  if test "x$CCACHE" != x; then
209    BPERF_SETUP_CCACHE_USAGE
210  fi
211])
212
213AC_DEFUN([BPERF_SETUP_CCACHE_USAGE],
214[
215  if test "x$CCACHE" != x; then
216    if test "x$USE_PRECOMPILED_HEADER" = "x1"; then
217      HAS_BAD_CCACHE=[`$ECHO $CCACHE_VERSION | \
218          $GREP -e '^1.*' -e '^2.*' -e '^3\.0.*' -e '^3\.1\.[0123]$'`]
219      if test "x$HAS_BAD_CCACHE" != "x"; then
220        AC_MSG_ERROR([Precompiled headers requires ccache 3.1.4 or later, found $CCACHE_VERSION])
221      fi
222      AC_MSG_CHECKING([if C-compiler supports ccache precompiled headers])
223      CCACHE_PRECOMP_FLAG="-fpch-preprocess"
224      PUSHED_FLAGS="$CXXFLAGS"
225      CXXFLAGS="$CCACHE_PRECOMP_FLAG $CXXFLAGS"
226      AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], [])], [CC_KNOWS_CCACHE_TRICK=yes], [CC_KNOWS_CCACHE_TRICK=no])
227      CXXFLAGS="$PUSHED_FLAGS"
228      if test "x$CC_KNOWS_CCACHE_TRICK" = xyes; then
229        AC_MSG_RESULT([yes])
230        CFLAGS_CCACHE="$CCACHE_PRECOMP_FLAG"
231        AC_SUBST(CFLAGS_CCACHE)
232        CCACHE_SLOPPINESS=pch_defines,time_macros
233      else
234        AC_MSG_RESULT([no])
235        AC_MSG_ERROR([Cannot use ccache with precompiled headers without compiler support for $CCACHE_PRECOMP_FLAG])
236      fi
237    fi
238
239    CCACHE="CCACHE_COMPRESS=1 $SET_CCACHE_DIR \
240        CCACHE_SLOPPINESS=$CCACHE_SLOPPINESS CCACHE_BASEDIR=$TOPDIR $CCACHE"
241
242    if test "x$SET_CCACHE_DIR" != x; then
243      mkdir -p $CCACHE_DIR > /dev/null 2>&1
244      chmod a+rwxs $CCACHE_DIR > /dev/null 2>&1
245    fi
246  fi
247])
248
249################################################################################
250#
251# Optionally enable distributed compilation of native code using icecc/icecream
252#
253AC_DEFUN([BPERF_SETUP_ICECC],
254[
255  AC_ARG_ENABLE([icecc], [AS_HELP_STRING([--enable-icecc],
256      [enable distribted compilation of native code using icecc/icecream @<:@disabled@:>@])])
257
258  if test "x${enable_icecc}" = "xyes"; then
259    BASIC_REQUIRE_PROGS(ICECC_CMD, icecc)
260    old_path="$PATH"
261
262    # Look for icecc-create-env in some known places
263    PATH="$PATH:/usr/lib/icecc:/usr/lib64/icecc"
264    BASIC_REQUIRE_PROGS(ICECC_CREATE_ENV, icecc-create-env)
265    # Use icecc-create-env to create a minimal compilation environment that can
266    # be sent to the other hosts in the icecream cluster.
267    icecc_create_env_log="${CONFIGURESUPPORT_OUTPUTDIR}/icecc/icecc_create_env.log"
268    ${MKDIR} -p ${CONFIGURESUPPORT_OUTPUTDIR}/icecc
269    AC_MSG_CHECKING([for icecc build environment for target compiler])
270    if test "x${TOOLCHAIN_TYPE}" = "xgcc"; then
271      cd ${CONFIGURESUPPORT_OUTPUTDIR}/icecc \
272          && ${ICECC_CREATE_ENV} --gcc ${CC} ${CXX} > ${icecc_create_env_log}
273    elif test "x$TOOLCHAIN_TYPE" = "xclang"; then
274      # For clang, the icecc compilerwrapper is needed. It usually resides next
275      # to icecc-create-env.
276      BASIC_REQUIRE_PROGS(ICECC_WRAPPER, compilerwrapper)
277      cd ${CONFIGURESUPPORT_OUTPUTDIR}/icecc \
278          && ${ICECC_CREATE_ENV} --clang ${CC} ${ICECC_WRAPPER} > ${icecc_create_env_log}
279    else
280      AC_MSG_ERROR([Can only create icecc compiler packages for toolchain types gcc and clang])
281    fi
282    PATH="$old_path"
283    # The bundle with the compiler gets a name based on checksums. Parse log file
284    # to find it.
285    ICECC_ENV_BUNDLE_BASENAME="`${SED} -n '/^creating/s/creating //p' ${icecc_create_env_log}`"
286    ICECC_ENV_BUNDLE="${CONFIGURESUPPORT_OUTPUTDIR}/icecc/${ICECC_ENV_BUNDLE_BASENAME}"
287    AC_MSG_RESULT([${ICECC_ENV_BUNDLE}])
288    ICECC="ICECC_VERSION=${ICECC_ENV_BUNDLE} ICECC_CC=${CC} ICECC_CXX=${CXX} ${ICECC_CMD}"
289
290    if test "x${COMPILE_TYPE}" = "xcross"; then
291      # If cross compiling, create a separate env package for the build compiler
292      AC_MSG_CHECKING([for icecc build environment for build compiler])
293      # Assume "gcc" or "cc" is gcc and "clang" is clang. Otherwise bail.
294      if test "x${BUILD_CC##*/}" = "xgcc" ||  test "x${BUILD_CC##*/}" = "xcc"; then
295        cd ${CONFIGURESUPPORT_OUTPUTDIR}/icecc \
296            && ${ICECC_CREATE_ENV} --gcc ${BUILD_CC} ${BUILD_CXX} > ${icecc_create_env_log}
297      elif test "x${BUILD_CC##*/}" = "xclang"; then
298        cd ${CONFIGURESUPPORT_OUTPUTDIR}/icecc \
299            && ${ICECC_CREATE_ENV} --clang ${BUILD_CC} ${ICECC_WRAPPER} > ${icecc_create_env_log}
300      else
301        AC_MSG_ERROR([Cannot create icecc compiler package for ${BUILD_CC}])
302      fi
303      ICECC_ENV_BUNDLE_BASENAME="`${SED} -n '/^creating/s/creating //p' ${icecc_create_env_log}`"
304      ICECC_ENV_BUNDLE="${CONFIGURESUPPORT_OUTPUTDIR}/icecc/${ICECC_ENV_BUNDLE_BASENAME}"
305      AC_MSG_RESULT([${ICECC_ENV_BUNDLE}])
306      BUILD_ICECC="ICECC_VERSION=${ICECC_ENV_BUNDLE} ICECC_CC=${BUILD_CC} \
307          ICECC_CXX=${BUILD_CXX} ${ICECC_CMD}"
308    else
309      BUILD_ICECC="${ICECC}"
310    fi
311    AC_SUBST(ICECC)
312    AC_SUBST(BUILD_ICECC)
313  fi
314])
315
316AC_DEFUN_ONCE([BPERF_SETUP_PRECOMPILED_HEADERS],
317[
318
319  ###############################################################################
320  #
321  # Can the C/C++ compiler use precompiled headers?
322  #
323  AC_ARG_ENABLE([precompiled-headers], [AS_HELP_STRING([--disable-precompiled-headers],
324      [disable using precompiled headers when compiling C++ @<:@enabled@:>@])],
325      [ENABLE_PRECOMPH=${enable_precompiled_headers}], [ENABLE_PRECOMPH=yes])
326
327  USE_PRECOMPILED_HEADER=1
328  AC_MSG_CHECKING([If precompiled header is enabled])
329  if test "x$ENABLE_PRECOMPH" = xno; then
330    AC_MSG_RESULT([no, forced])
331    USE_PRECOMPILED_HEADER=0
332  elif test "x$ICECC" != "x"; then
333    AC_MSG_RESULT([no, does not work effectively with icecc])
334    USE_PRECOMPILED_HEADER=0
335  else
336    AC_MSG_RESULT([yes])
337  fi
338
339  if test "x$ENABLE_PRECOMPH" = xyes; then
340    # Check that the compiler actually supports precomp headers.
341    if test "x$TOOLCHAIN_TYPE" = xgcc; then
342      AC_MSG_CHECKING([that precompiled headers work])
343      echo "int alfa();" > conftest.h
344      $CXX -x c++-header conftest.h -o conftest.hpp.gch 2>&AS_MESSAGE_LOG_FD >&AS_MESSAGE_LOG_FD
345      if test ! -f conftest.hpp.gch; then
346        USE_PRECOMPILED_HEADER=0
347        AC_MSG_RESULT([no])
348      else
349        AC_MSG_RESULT([yes])
350      fi
351      rm -f conftest.h conftest.hpp.gch
352    fi
353  fi
354
355  AC_SUBST(USE_PRECOMPILED_HEADER)
356])
357
358
359AC_DEFUN_ONCE([BPERF_SETUP_SMART_JAVAC],
360[
361  AC_ARG_WITH(sjavac-server-java, [AS_HELP_STRING([--with-sjavac-server-java],
362      [use this java binary for running the sjavac background server @<:@Boot JDK java@:>@])])
363
364  if test "x$with_sjavac_server_java" != x; then
365    SJAVAC_SERVER_JAVA="$with_sjavac_server_java"
366    FOUND_VERSION=`$SJAVAC_SERVER_JAVA -version 2>&1 | grep " version \""`
367    if test "x$FOUND_VERSION" = x; then
368      AC_MSG_ERROR([Could not execute server java: $SJAVAC_SERVER_JAVA])
369    fi
370  else
371    SJAVAC_SERVER_JAVA="$JAVA"
372  fi
373  AC_SUBST(SJAVAC_SERVER_JAVA)
374
375  if test "$MEMORY_SIZE" -gt "3000"; then
376    ADD_JVM_ARG_IF_OK([-d64],SJAVAC_SERVER_JAVA_FLAGS,[$SJAVAC_SERVER_JAVA])
377    if test "$JVM_ARG_OK" = true; then
378      JVM_64BIT=true
379      JVM_ARG_OK=false
380    fi
381  fi
382
383  MX_VALUE=`expr $MEMORY_SIZE / 2`
384  if test "$JVM_64BIT" = true; then
385    # Set ms lower than mx since more than one instance of the server might
386    # get launched at the same time before they figure out which instance won.
387    MS_VALUE=512
388    if test "$MX_VALUE" -gt "2048"; then
389      MX_VALUE=2048
390    fi
391  else
392    MS_VALUE=256
393    if test "$MX_VALUE" -gt "1500"; then
394      MX_VALUE=1500
395    fi
396  fi
397  if test "$MX_VALUE" -lt "512"; then
398    MX_VALUE=512
399  fi
400  ADD_JVM_ARG_IF_OK([-Xms${MS_VALUE}M -Xmx${MX_VALUE}M],SJAVAC_SERVER_JAVA_FLAGS,[$SJAVAC_SERVER_JAVA])
401  AC_SUBST(SJAVAC_SERVER_JAVA_FLAGS)
402
403  AC_ARG_ENABLE([sjavac], [AS_HELP_STRING([--enable-sjavac],
404      [use sjavac to do fast incremental compiles @<:@disabled@:>@])],
405      [ENABLE_SJAVAC="${enableval}"], [ENABLE_SJAVAC="no"])
406  if test "x$JVM_ARG_OK" = "xfalse"; then
407    AC_MSG_WARN([Could not set -Xms${MS_VALUE}M -Xmx${MX_VALUE}M, disabling sjavac])
408    ENABLE_SJAVAC="no"
409  fi
410  AC_MSG_CHECKING([whether to use sjavac])
411  AC_MSG_RESULT([$ENABLE_SJAVAC])
412  AC_SUBST(ENABLE_SJAVAC)
413
414  AC_ARG_ENABLE([javac-server], [AS_HELP_STRING([--enable-javac-server],
415      [use only the server part of sjavac for faster javac compiles @<:@disabled@:>@])],
416      [ENABLE_JAVAC_SERVER="${enableval}"], [ENABLE_JAVAC_SERVER="no"])
417  if test "x$JVM_ARG_OK" = "xfalse"; then
418    AC_MSG_WARN([Could not set -Xms${MS_VALUE}M -Xmx${MX_VALUE}M, disabling javac server])
419    ENABLE_JAVAC_SERVER="no"
420  fi
421  AC_MSG_CHECKING([whether to use javac server])
422  AC_MSG_RESULT([$ENABLE_JAVAC_SERVER])
423  AC_SUBST(ENABLE_JAVAC_SERVER)
424
425  if test "x$ENABLE_JAVAC_SERVER" = "xyes" || "x$ENABLE_SJAVAC" = "xyes"; then
426    # When using a server javac, the small client instances do not need much
427    # resources.
428    JAVA_FLAGS_JAVAC="$JAVA_FLAGS_SMALL"
429  fi
430])
431