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Allow limiting number of plotting processes during Stage 1 #177

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Allow limiting number of plotting processes during Stage 1 #177

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7988adc
Prevent parallel writes to destdir on rotational media
zmeyc Dec 22, 2020
b1ed532
Limit max process count in phase 1
zmeyc Mar 8, 2021
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8 changes: 6 additions & 2 deletions python-bindings/chiapos.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -49,7 +49,9 @@ PYBIND11_MODULE(chiapos, m)
uint32_t num_buckets,
uint32_t stripe_size,
uint8_t num_threads,
bool nobitfield) {
bool nobitfield,
const std::string runtime_dir,
uint32_t phase1_max_processes) {
std::string memo_str(memo);
const uint8_t *memo_ptr = reinterpret_cast<const uint8_t *>(memo_str.data());
std::string id_str(id);
Expand All @@ -68,7 +70,9 @@ PYBIND11_MODULE(chiapos, m)
num_buckets,
stripe_size,
num_threads,
nobitfield);
nobitfield,
runtime_dir,
phase1_max_processes);
} catch (const std::exception &e) {
std::cout << "Caught plotting error: " << e.what() << std::endl;
throw e;
Expand Down
8 changes: 7 additions & 1 deletion src/cli.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -82,6 +82,8 @@ int main(int argc, char *argv[]) try {
string memo = "0102030405";
string id = "022fb42c08c12de3a6af053880199806532e79515f94e83461612101f9412f9e";
bool nobitfield = false;
uint32_t phase1_max_processes = 0;
string runtimedir = ".";
uint32_t buffmegabytes = 0;

options.allow_unrecognised_options().add_options()(
Expand All @@ -96,6 +98,8 @@ int main(int argc, char *argv[]) try {
"m, memo", "Memo to insert into the plot", cxxopts::value<string>(memo))(
"i, id", "Unique 32-byte seed for the plot", cxxopts::value<string>(id))(
"e, nobitfield", "Disable bitfield", cxxopts::value<bool>(nobitfield))(
"p1maxproc", "Phase 1 max process count", cxxopts::value<uint32_t>(phase1_max_processes))(
"runtimedir", "Runtime directory", cxxopts::value<string>(runtimedir))(
"b, buffer",
"Megabytes to be used as buffer for sorting and plotting",
cxxopts::value<uint32_t>(buffmegabytes))("help", "Print help");
Expand Down Expand Up @@ -145,7 +149,9 @@ int main(int argc, char *argv[]) try {
num_buckets,
num_stripes,
num_threads,
nobitfield);
nobitfield,
runtimedir,
phase1_max_processes);
} else if (operation == "prove") {
if (argc < 3) {
HelpAndQuit(options);
Expand Down
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