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| author | Tom Tromey <tom@tromey.com> | 2021-05-23 09:04:27 -0600 |
|---|---|---|
| committer | Tom Tromey <tom@tromey.com> | 2022-04-12 09:31:16 -0600 |
| commit | 82d734f7a3b6f08813a9ad6272aa026779c88975 (patch) | |
| tree | 26aea3dcb439f9c8a884535c60eb452ffcebc423 /gdb | |
| parent | c0892a1d5dc29eb849e9aed0fb7c7dade6dffb23 (diff) | |
| download | gdb-82d734f7a3b6f08813a9ad6272aa026779c88975.zip gdb-82d734f7a3b6f08813a9ad6272aa026779c88975.tar.gz gdb-82d734f7a3b6f08813a9ad6272aa026779c88975.tar.bz2 | |
Add batching parameter to parallel_for_each
parallel_for_each currently requires each thread to process at least
10 elements. However, when indexing, it's fine for a thread to handle
just a single CU. This patch parameterizes this, and updates the one
user.
Diffstat (limited to 'gdb')
| -rw-r--r-- | gdb/minsyms.c | 4 | ||||
| -rw-r--r-- | gdb/unittests/parallel-for-selftests.c | 2 |
2 files changed, 3 insertions, 3 deletions
diff --git a/gdb/minsyms.c b/gdb/minsyms.c index f1c2890..cbd0ad2 100644 --- a/gdb/minsyms.c +++ b/gdb/minsyms.c @@ -1460,8 +1460,8 @@ minimal_symbol_reader::install () std::vector<computed_hash_values> hash_values (mcount); msymbols = m_objfile->per_bfd->msymbols.get (); - gdb::parallel_for_each - (&msymbols[0], &msymbols[mcount], + /* Arbitrarily require at least 10 elements in a thread. */ + gdb::parallel_for_each (10, &msymbols[0], &msymbols[mcount], [&] (minimal_symbol *start, minimal_symbol *end) { for (minimal_symbol *msym = start; msym < end; ++msym) diff --git a/gdb/unittests/parallel-for-selftests.c b/gdb/unittests/parallel-for-selftests.c index adfc82f..e0c07e5 100644 --- a/gdb/unittests/parallel-for-selftests.c +++ b/gdb/unittests/parallel-for-selftests.c @@ -52,7 +52,7 @@ test (int n_threads) #define NUMBER 10000 std::atomic<int> counter (0); - gdb::parallel_for_each (0, NUMBER, + gdb::parallel_for_each (1, 0, NUMBER, [&] (int start, int end) { counter += end - start; |