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Add max_count parameter to limit the number of positions read.

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This commit is contained in:
Tomasz Sobczyk
2021-03-30 15:00:34 +02:00
parent f85dbc3fe3
commit 7d74185d0b
2 changed files with 15 additions and 3 deletions
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8
docs/stats.md
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@@ -4,6 +4,14 @@
Simplest usage: `stockfish.exe gather_statistics all input_file a.binpack`
Any name that doesn't designate an argument name or is not an argument will be interpreted as a group name.
## Parameters
`input_file` - the path to the .bin or .binpack input file to read
`max_count` - the maximum number of positions to process. Default: no limit.
## Groups
`all`

10
src/learn/stats.cpp
View File

@@ -125,7 +125,8 @@ namespace Learner::Stats
void do_gather_statistics(
const std::string& filename,
std::vector<std::unique_ptr<StatisticGathererBase>>& statistic_gatherers)
std::vector<std::unique_ptr<StatisticGathererBase>>& statistic_gatherers,
std::uint64_t max_count)
{
Thread* th = Threads.main();
Position& pos = th->rootPos;
@@ -154,7 +155,7 @@ namespace Learner::Stats
}
uint64_t num_processed = 0;
for (;;)
while (num_processed < max_count)
{
auto v = in->next();
if (!v.has_value())
@@ -196,6 +197,7 @@ namespace Learner::Stats
std::vector<std::unique_ptr<StatisticGathererBase>> statistic_gatherers;
std::string input_file;
std::uint64_t max_count = std::numeric_limits<std::uint64_t>::max();
while(true)
{
@@ -207,11 +209,13 @@ namespace Learner::Stats
if (token == "input_file")
is >> input_file;
else if (token == "max_count")
is >> max_count;
else
registry.add_statistic_gatherers_by_group(statistic_gatherers, token);
}
do_gather_statistics(input_file, statistic_gatherers);
do_gather_statistics(input_file, statistic_gatherers, max_count);
}
}