Skip to content

Fix GPU b-field initialization #15143

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Open
shahor02 wants to merge 1 commit into
base: dev
Choose a base branch
from
+13 −1
Open

Fix GPU b-field initialization #15143

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
6 changes: 6 additions & 0 deletions GPU/GPUTracking/Interface/GPUO2InterfaceUtils.cxx
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -142,3 +142,9 @@ uint32_t GPUO2InterfaceUtils::getTpcMaxTimeBinFromNHbf(uint32_t nHbf)
{
return (nHbf * o2::constants::lhc::LHCMaxBunches + 2 * o2::tpc::constants::LHCBCPERTIMEBIN - 2) / o2::tpc::constants::LHCBCPERTIMEBIN;
}

float GPUO2InterfaceUtils::getNominalGPUBzFromCurrent(float l3curr)
{
float al3curr = CAMath::Abs(l3curr);
return (CAMath::Abs(al3curr - 12000) < CAMath::Abs(al3curr - 30000) ? (2.04487f / 12000.f) : (5.00668f / 30000.f)) * l3curr;
}
8 changes: 7 additions & 1 deletion GPU/GPUTracking/Interface/GPUO2InterfaceUtils.h
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -51,10 +51,16 @@ class GPUO2InterfaceUtils
template <class S>
static void RunZSEncoder(const S& in, std::unique_ptr<uint64_t[]>* outBuffer, uint32_t* outSizes, o2::raw::RawFileWriter* raw, const o2::InteractionRecord* ir, GPUO2InterfaceConfiguration& config, int32_t version, bool verify, bool padding = false, std::function<void(std::vector<o2::tpc::Digit>&)> digitsFilter = nullptr);
template <class T>
static float getNominalGPUBz(T& src)
static float getNominalGPUBzOld(T& src)
{
return (5.00668f / 30000.f) * src.getL3Current();
}
template <class T>
static float getNominalGPUBz(T& src)
{
return getNominalGPUBzFromCurrent(src.getL3Current());
}
static float getNominalGPUBzFromCurrent(float l3curr);
static std::unique_ptr<GPUParam> getFullParam(float solenoidBz, uint32_t nHbfPerTf = 0, std::unique_ptr<GPUO2InterfaceConfiguration>* pConfiguration = nullptr, std::unique_ptr<GPUSettingsO2>* pO2Settings = nullptr, bool* autoMaxTimeBin = nullptr);
static std::shared_ptr<GPUParam> getFullParamShared(float solenoidBz, uint32_t nHbfPerTf = 0, std::unique_ptr<GPUO2InterfaceConfiguration>* pConfiguration = nullptr, std::unique_ptr<GPUSettingsO2>* pO2Settings = nullptr, bool* autoMaxTimeBin = nullptr); // Return owning pointer
static void paramUseExternalOccupancyMap(GPUParam* param, uint32_t nHbfPerTf, const uint32_t* occupancymap, int32_t occupancyMapSize);
Expand Down