Mercurial > hg > graal-jvmci-8
comparison mxtool/mx.py @ 15490:5d0dd6a6f6b3
mx: improved heuristics for sorting remaining tasks in parallel Java build worklist
| author | Doug Simon <doug.simon@oracle.com> |
|---|---|
| date | Sun, 04 May 2014 01:28:07 +0200 |
| parents | d0e3f6963ed7 |
| children | f5eba273a4f2 |
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| 15489:d0e3f6963ed7 | 15490:5d0dd6a6f6b3 |
|---|---|
| 2138 task._d = 0 | 2138 task._d = 0 |
| 2139 else: | 2139 else: |
| 2140 task._d = max([remainingDepsDepth(t) for t in incompleteDeps]) + 1 | 2140 task._d = max([remainingDepsDepth(t) for t in incompleteDeps]) + 1 |
| 2141 return task._d | 2141 return task._d |
| 2142 | 2142 |
| 2143 def compareTasks(t1, t2): | |
| 2144 d = remainingDepsDepth(t1) - remainingDepsDepth(t2) | |
| 2145 if d == 0: | |
| 2146 d = len(t1.proj.annotation_processors()) - len(t2.proj.annotation_processors()) | |
| 2147 if d == 0: | |
| 2148 d = len(t1.javafilelist) - len(t2.javafilelist) | |
| 2149 return d | |
| 2150 | |
| 2143 def sortWorklist(tasks): | 2151 def sortWorklist(tasks): |
| 2144 for t in tasks: | 2152 for t in tasks: |
| 2145 t._d = None | 2153 t._d = None |
| 2146 return sorted(tasks, lambda x, y: remainingDepsDepth(x) - remainingDepsDepth(y)) | 2154 return sorted(tasks, compareTasks) |
| 2147 | 2155 |
| 2148 import multiprocessing | 2156 import multiprocessing |
| 2149 cpus = multiprocessing.cpu_count() | 2157 cpus = multiprocessing.cpu_count() |
| 2150 worklist = sortWorklist(tasks.values()) | 2158 worklist = sortWorklist(tasks.values()) |
| 2151 active = [] | 2159 active = [] |