P-Label	Meaning (microbenchmarks with data races)	P-Label	Meaning (microbenchmarks without data races)
Y1	Unresolvable dependencies	N1	Embarrassingly parallel or single thread execution
Y2	Missing data sharing clauses	N2	Use of data sharing clauses
Y3	Missing synchronization	N3	Use of synchronization
Y4	SIMD data races	N4	Use of SIMD directives
Y5	Accelerator data races	N5	Use of accelerator directives
Y6	Undefined behavior	N6	Use of special language features
Y7	Numerical kernel data races	N7	Numerical kernels

Microbenchmarks with known data races (some have a varying length version)

Microbenchmark	P-Label	Description	Source
DRB001-antidep1-orig-yes.c	Y1	Anti-dependence within a single loop	AutoPar
DRB002-antidep1-var-yes.c	Y1	Anti-dependence within a single loop	AutoPar
DRB003-antidep2-orig-yes.c	Y1	Anti-dependence within a two-level loop nest	AutoPar
DRB004-antidep2-var-yes.c	Y1	Anti-dependence within a two-level loop nest	AutoPar
DRB005-indirectaccess1-orig-yes.c	Y7	Indirect access with overlapped index array elements	LLNL App
DRB006-indirectaccess2-orig-yes.c	Y7	Overlapping index array elements when 36 or more threads are used	LLNL App
DRB007-indirectaccess3-orig-yes.c	Y7	Overlapping index array elements when 60 or more threads are used	LLNL App
DRB008-indirectaccess4-orig-yes.c	Y7	Overlapping index array elements when 180 or more threads are used	LLNL App
DRB009-lastprivatemissing-orig-yes.c	Y2	Data race due to a missing lastprivate() clause	AutoPar
DRB010-lastprivatemissing-var-yes.c	Y2	Data race due to a missing lastprivate() clause	AutoPar
DRB011-minusminus-orig-yes.c	Y3	Unprotected decrement operation --	AutoPar
DRB012-minusminus-var-yes.c	Y3	Unprotected decrement operation --	AutoPar
DRB013-nowait-orig-yes.c	Y3	Missing barrier due to a wrongfully used nowait	AutoPar
DRB014-outofbounds-orig-yes.c	Y6	Out of bound access of the 2nd dimension of array	AutoPar
DRB015-outofbounds-var-yes.c	Y6	Out of bound access of the 2nd dimension of array	AutoPar
DRB016-outputdep-orig-yes.c	Y1	Output dependence and true dependence within a loop	AutoPar
DRB017-outputdep-var-yes.c	Y1	Output dependence and true dependence within a loop	AutoPar
DRB018-plusplus-orig-yes.c	Y1	increment operation ++ on array index variable	AutoPar
DRB019-plusplus-var-yes.c	Y1	increment operation ++ on array index variable	AutoPar
DRB020-privatemissing-orig-yes.c	Y2	Missing private() for a temp variable	AutoPar
DRB021-privatemissing-var-yes.c	Y2	Missing private() for a temp variable	AutoPar
DRB022-reductionmissing-orig-yes.c	Y2	Missing reduction() for a variable	AutoPar
DRB023-reductionmissing-var-yes.c	Y2	Missing reduction() for a variable	AutoPar
DRB024-sections1-orig-yes.c	Y3	Unprotected data writes in parallel sections	New
DRB025-simdtruedep-orig-yes.c	Y1,Y4	SIMD instruction level data races	New
DRB026-simdtruedep-var-yes.c	Y1,Y4	SIMD instruction level data races	New
DRB027-targetparallelfor-orig-yes.c	Y1,Y5	Data races in loops offloaded to accelerators	New
DRB028-taskdependmissing-orig-yes.c	Y3	Unprotected data writes in two tasks	New
DRB029-truedep1-orig-yes.c	Y1	True data dependence among multiple array elements within a single level loop	AutoPar
DRB030-truedep1-var-yes.c	Y1	True data dependence among multiple array elements within a single level loop	AutoPar
DRB031-truedepfirstdimension-(orig|var)-yes.c	Y1	True data dependence of first dimension for a 2-D array accesses	AutoPar
DRB032-truedepfirstdimension-(orig|var)-yes.c	Y1	True data dependence of first dimension for a 2-D array accesses	AutoPar
DRB033-truedeplinear-orig-yes.c	Y1	Linear equation as array subscript	AutoPar
DRB034-truedeplinear-var-yes.c	Y1	Linear equation as array subscript	AutoPar
DRB035-truedepscalar-orig-yes.c	Y1	True data dependence due to scalar	AutoPar
DRB036-truedepscalar-var-yes.c	Y1	True data dependence due to scalar	AutoPar
DRB037-truedepseconddimension-(orig|var)-yes.c	Y1	True data dependence on 2nd dimension of a 2-D array accesses	AutoPar
DRB038-truedepseconddimension-(orig|var)-yes.c	Y1	True data dependence on 2nd dimension of a 2-D array accesses	AutoPar
DRB039-truedepsingleelement-(orig|var)-yes.c	Y1	True data dependence due to a single array element	AutoPar
DRB040-truedepsingleelement-(orig|var)-yes.c	Y1	True data dependence due to a single array element	AutoPar
DRB073-doall2-orig-yes.c	Y2	Missing private() for inner loop nest's loop index variable	New
DRB074-flush-orig-yes.c	Y2	Reduction using a shared variable, extracted from an official OpenMP example	New
DRB075-getthreadnum-orig-yes.c	Y1	Work sharing within one branch of a if statement	New
DRB080-func-arg-orig-yes.c	Y6	Function arguments passed by reference, inheriting shared attribute	New
DRB082-declared-in-func-orig-yes.c	Y6	A variable declared within a function called by a parallel region	New
DRB084-threadprivatemissing-orig-yes.c	Y2	Missing threadprivate for a global var, not referenced within a construct	New
DRB086-static-data-member-orig-yes.cpp	Y2	Missing threadprivate for a static member, not referenced within a construct	New
DRB087-static-data-member2-orig-yes.cpp	Y2	Missing threadprivate for a static member, referenced within a construct	New
DRB088-dynamic-storage-orig-yes.c	Y2	Data race for a dynamica storage variable, not referenced within a construct	New
DRB089-dynamic-storage2-orig-yes.c	Y2	Data race for a dynamica storage variable, referenced within a construct	New
DRB090-static-local-orig-yes.c	Y2	Data race for a locally declared static variable	New
DRB092-threadprivatemissing2-orig-yes.c	Y2	Missing threadprivate for a variable referenced within a construct	New
DRB095-doall2-taskloop-orig-yes.c	Y2	Missing protection for inner loop's loop variable	New
DRB106-taskwaitmissing-orig-yes.c	Y3	Missing taskwait to ensure correct order of calculations	New
DRB109-orderedmissing-orig-yes.c	Y3	Missing the ordered clause, causing data races	New
DRB111-linearmissing-orig-yes.c	Y2	Missing linear for a shared variable, causing data races	New
DRB114-if-orig-yes.c	Y1	True data dependence within a single level loop, with if() clause	New
DRB115-forsimd-orig-yes.c	Y1,Y4	Both thread and instruction level data races due to omp loop simd	New
DRB116-target-teams-orig-yes.c	Y3	Master threads of two teams do not have synchronization, causing data races	New
DRB117-taskwait-waitonlychild-orig-yes.c	Y3	Thread encountering the taskwait is only waiting for the child task's completion, not the descendant tasks.	New
DRB119-nestlock-orig-yes.c	Y3	Missing omp_set_nest_lock() on a function called at multiple points.	New
DRB123-taskundeferred-orig-yes.c	Y6	A single thread spawning multiple tasks due to missing if(0)	New
DRB124-master-orig-yes.c	Y3	Master construct does not have an implicit barrier.	New
DRB129-mergeable-taskwait-orig-yes.c	Y2	Created task will access different instances of a variable depending on the mergeable status. Missing shared clause.	New
DRB131-taskdep4-orig-omp45-yes.c	Y3	Accessing a variable before the completion of the operation. Missing taskwait.	New
DRB134-taskdep5-orig-omp45-yes.c	Y1	Operation depends on two variables, but the depend clause is mentioned only for one variable.	New
DRB136-taskdep-mutexinoutset-orig-yes.c	Y1,Y6	Missing mutexinoutset dependence type on a variable. Undefined execution order.	OpenMP Official Examples
DRB138-simdsafelen-orig-yes.c	Y6	Parameter for safelen() clause having a value lesser than required for a defined execution.	New
DRB140-reduction-barrier-orig-yes.c	Y3	Asynchronous update by master directive and usage in reduction clause.	New
DRB142-acquirerelease-orig-yes.c	Y3	Missing implicit flush after critical construct.	New
DRB144-critical-missingreduction-orig-gpu-yes.c	Y5, Y3	Asynchronous update of a variable across teams due to improper critical and atomic construct usage.	New
DRB148-critical1-orig-gpu-yes.c	Y5, Y3	Due to different locks, addition and subtraction interleave.	DRACC
DRB150-missinglock1-orig-gpu-yes.c	Y5, Y3	distribute parallel for directive executes across teams. omp_set_lock() ensures synchronization only within a team.	DRACC
DRB151-missinglock3-orig-gpu-yes.c	Y5, Y3	Missing synchronization in teams distribute parallel for construct among a team of threads.	DRACC
DRB153-missinglock2-orig-gpu-yes.c	Y5, Y2	Concurrent access of a variable in an intra region with locks leading to intra region data race.	DRACC
DRB156-missingordered-orig-gpu-yes.c	Y5, Y6	Execution on accelerators with missing ordered directive causes data race.	DRACC
DRB157-missingorderedsimd-orig-gpu-yes.c	Y5, Y4	Missing synchronization on accelerator due to simd directive.	DRACC
DRB160-nobarrier-orig-gpu-yes.c	Y5, Y3	Missing implicit barrier due to distribute directive.	DRACC
DRB161-nolocksimd-orig-gpu-yes.c	Y5, Y3	Concurrent access on a counter with no lock with simd—atomicity Violation.	DRACC
DRB164-simdmissinglock1-orig-gpu-yes.c	Y5, Y3	Concurrent access on a counter with no lock with simd across teams. Inter-region data race	DRACC
DRB165-taskdep4-orig-omp50-yes.c	Y3	Missing taskwait. Accessing a variable before task completion.	OpenMP Official Examples
DRB168-taskdep5-orig-omp50-yes.c	Y1	OpenMP depend clause for only one variable in a bivariate equation.	OpenMP Official Examples
DRB169-missingsyncwrite-orig-yes.c	Y6	Missing parallell construct for write	NAS Parallel Benchmarkss
DRB173-non-sibling-taskdep-yes.c	Y6	Non-sibling tasks with declared task dependency	New
DRB175-non-sibling-taskdep2-yes.c	Y6	Non-sibling tasks with declared task dependency	New
DRB177-fib-taskdep-yes.c	Y6	Race due to scale problem size by providing size argument	Fibonacci Code
DRB178-input-dependence-var-yes.c	Y1	Input dependence race	OMPRacer
DRB179-thread-sensitivity-yes.cc	Y6	Conflicting writes to same address	New
DRB180-miniAMR-yes.c	Y6	Race by shared index variable	MiniAMR app
DRB181-SmithWaterman-yes.c	Y6	Race appears with larger data size	Smith-Waterman app
DRB183-atomic3-yes.c	Y3	Races because the write is not protected by atomic	Sequential Consistency for Data-race-free Programs
DRB185-bar1-yes.c	Y3	wrong 2-thread flag barrier using busy-waits	Sequential Consistency for Data-race-free Programs
DRB187-bar2-yes.c	Y3	each thread uses its own lock, which doesn't work	Sequential Consistency for Data-race-free Programs
DRB189-bar3-yes.c	Y3	one synchronization missed	Sequential Consistency for Data-race-free Programs
DRB191-critsec2-yes.c	Y3	has race due to different critical section names	Sequential Consistency for Data-race-free Programs
DRB193-critsec3-yes.c	Y3	has race due to different critical section names	Sequential Consistency for Data-race-free Programs
DRB195-diffusion1-yes.c	Y3	has race due to the missing of proper synchronization when u1 and u2 are alias	Sequential Consistency for Data-race-free Programs
DRB197-diffusion2-yes.c	Y2	has race due to the missing of proper synchronization	Sequential Consistency for Data-race-free Programs
DRB199-prodcons-yes.c	Y3	races due to critical sections have different names	Sequential Consistency for Data-race-free Programs
DRB201-sync1-yes.c	Y3	t1 can set then unset while setting t0. Both are write operations.	Sequential Consistency for Data-race-free Programs

Microbenchmarks without known data races

Microbenchmark	P-Label	Description	Source
DRB041-3mm-parallel-no.c	N2	3-step matrix-matrix multiplication, non-optimized version	Polyhedral
DRB042-3mm-tile-no.c	N2,N4	3-step matrix-matrix multiplication, with tiling and nested SIMD	Polyhedral
DRB043-adi-parallel-no.c	N2	Alternating Direction Implicit solver, non-optimized version	Polyhedral
DRB044-adi-tile-no.c	N2,N4	Alternating Direction Implicit solver, with tiling and nested SIMD	Polyhedral
DRB045-doall1-orig-no.c	N1	Classic DOAll loop operating on a one dimensional array	AutoPar
DRB046-doall2-orig-no.c	N1	Classic DOAll loop operating on a two dimensional array	AutoPar
DRB047-doallchar-orig-no.c	N1	Classic DOALL loop operating on a character array	New
DRB048-firstprivate-orig-no.c	N2	Example use of firstprivate	AutoPar
DRB049-fprintf-orig-no.c	N6	Use of fprintf()	New
DRB050-functionparameter-orig-no.c	N6	Arrays passed as function parameters	LLNL App
DRB051-getthreadnum-orig-no.c	N2	single thread execution using if (omp_get_thread_num()==0)	New
DRB052-indirectaccesssharebase-orig-no.c	N7	Indirect array accesses using index arrays without overlapping	LLNL App
DRB053-inneronly1-orig-no.c	N1	Two-level nested loops, inner level is parallelizable. Anti dependence on outer level	AutoPar
DRB054-inneronly2-orig-no.c	N1	Two-level nested loops, inner level is parallelizable. True dependence on outer level	AutoPar
DRB055-jacobi2d-parallel-no.c	N7	Jacobi with array copying, no reduction, non-optimized version	Polyhedral
DRB056-jacobi2d-tile-no.c	N4,N7	Jacobi with array copying, no reduction, with tiling and nested SIMD	Polyhedral
DRB057-jacobiinitialize-orig-no.c	N7	The array initialization parallel loop in Jacobi	AutoPar
DRB058-jacobikernel-orig-no.c	N7	Parallel Jacobi stencil computation kernel with array copying and reduction	AutoPar
DRB059-lastprivate-orig-no.c	N2	Example use of lastprivate	AutoPar
DRB060-matrixmultiply-orig-no.c	N7	Classic i-k-j order matrix multiplication using OpenMP	AutoPar
DRB061-matrixvector1-orig-no.c	N7	Matrix-vector multiplication parallelized at the outer level loop	AutoPar
DRB062-matrixvector2-orig-no.c	N7	Matrix-vector multiplication parallelized at the inner level loop with reduction	AutoPar
DRB063-outeronly1-orig-no.c	N2	Two-level nested loops, outer level is parallelizable. Anti dependence on inner level	AutoPar
DRB064-outeronly2-orig-no.c	N2	Two-level nested loops, outer level is parallelizable. True dependence on inner level	AutoPar
DRB065-pireduction-orig-no.c	N7	PI calculation using reduction	AutoPar
DRB066-pointernoaliasing-orig-no.c	N6	Pointers assigned by different malloc calls, without aliasing	LLNL App
DRB067-restrictpointer1-orig-no.c	N6	C99 restrict pointers used for array initialization, no aliasing	LLNL App
DRB068-restrictpointer2-orig-no.c	N6	C99 restrict pointers used for array computation, no aliasing	LLNL App
DRB069-sectionslock1-orig-no.c	N3	OpenMP parallel sections with a lock to protect shared data writes	New
DRB070-simd1-orig-no.c	N1,N4	OpenMP SIMD directive to indicate vectorization of a loop	New
DRB071-targetparallelfor-orig-no.c	N1,N5	No data races in loops offloaded to accelerators	New
DRB072-taskdep1-orig-no.c	N3	OpenMP task with depend clauses to avoid data races	New
DRB076-flush-orig-no.c	N2	OpenMP private clause to avoid data races	New
DRB077-single-orig-no.c	N1	OpenMP single directive to use only one thread for execution	New
DRB078-taskdep2-orig-no.c	N3	OpenMP task depend clause to avoid data races	New
DRB079-taskdep3-orig-no.c	N3	OpenMP task depend clause to avoid data races	New
DRB081-func-arg-orig-no.c	N6	Function arguments passed by value, private	New
DRB083-declared-in-func-orig-no.c	N6	A variable declared within a function called by a parallel region	New
DRB085-threadprivate-orig-no.c	N2	Use threadprivate to protect a file scope variable, not referenced within a construct	New
DRB091-threadprivate2-orig-no.c	N2	Use threadprivate to protect a file scope variable, referenced within a construct	New
DRB093-doall2-collapse-orig-no.c	N2	Use collapse(n) to control the number of associated loops of omp for	New
DRB094-doall2-ordered-orig-no.c	N2	Use ordered(n) to control the number of associated loops of omp for	New
DRB096-doall2-taskloop-collapse-orig-no.c	N2	Use ordered(n) to control the number of associated loops of taskloop	New
DRB097-target-teams-distribute-orig-no.c	N2	Predetermined attribute rule for loop variable associated with distribute	New
DRB098-simd2-orig-no.c	N1,N2	OpenMP SIMD directive to indicate vectorization of two nested loops	New
DRB099-targetparallelfor2-orig-no.c	N1,N5	Loops offloaded to accelerators: array sections derived from pointer	New
DRB100-task-reference-orig-no.cpp	N1	OpenMP 4.5 feature: orphaned task generating construct using pass-by-reference	New
DRB101-task-value-orig-no.cpp	N1	In a task generating construct, a variable without applicable rules is firstprivate	New
DRB102-copyprivate-orig-no.c	N2	threadprivate+copyprivate, a variable without applicable rules is firstprivate	New
DRB103-master-orig-no.c	N1	master directive to ensure only one thread will execute data accesses	New
DRB104-nowait-barrier-orig-no.c	N3	Use barrier to ensure correct order of initialization and assignment phases	New
DRB105-taskwait-orig-no.c	N3	Use taskwait to ensure correct order of tasks	New
DRB107-taskgroup-orig-no.c	N3	Use taskgroup to ensure correct order of tasks	New
DRB108-atomic-orig-no.c	N3	Use atomic to protect shared accesses to a variable	New
DRB110-ordered-orig-no.c	N3	Proper use of the ordered clause to avoid data races	New
DRB112-linear-orig-no.c	N2	Use linear to privatize a variable	New
DRB113-default-orig-no.c	N1	default(none) to enforce explicitly listing variables in data-sharing clauses	New
DRB118-nestlock-orig-no.c	N3	Use of omp_set_nest_lock to be able to lock several times. Extracted from an official OpenMP example	OpenMP Official Example
DRB120-barrier-orig-no.c	N3	Use barrier to ensure the correct order of increment ops.	New
DRB121-reduction-orig-no.c	N2	Use reduction clause to get the correct sum within a parallel region.	New
DRB122-taskundeferred-orig-no.c	N6	Undeferred all the tasks using if(0)	OpenMP Official Example
DRB125-single-orig-no.c	N1	Single construct usage to have implicit barrier, private.	New
DRB126-firstprivatesections-orig-no.c	N1	Use of firstprivate and omp_set_num_threads() to ensure that the same thread executes both the sections.	New
DRB127-tasking-threadprivate1-orig-no.c	N1	Order execution is undefined. There is a race condition but no data race.	New
DRB128-tasking-threadprivate2-orig-no.c	N1	Restricting update to a threadprivate variable.	New
DRB130-mergeable-taskwait-orig-no.c	N2	Use of mergeable construct on a shared variable ensures that the outcome does not depend on task's merged status.	New
DRB132-taskdep4-orig-omp45-no.c	N3, N1	Accessing a variable safely after taskwait directive, two variables. OpenMP 4.5 compliant.	New
DRB133-taskdep5-orig-omp45-no.c	N3	Accessing a variable safely after taskwait directive, single variable. OpenMP 4.5 compliant.	New
DRB135-taskdep-mutexinoutset-orig-no.c	N1	Use of mutexinoutset in depend clause to avoid data race.	OpenMP Official Example
DRB137-simdsafelen-orig-no.c	N1	Use of safelen construct to avoid udnefined behavior.	New
DRB139-worksharingcritical-orig-no.c	N1	Use of single directive inside a nested parallel region within a critical construct.	New
DRB141-reduction-barrier-orig-no.c	N3	Addition of explicit barrier to ensure completion of initialization of a variable before encountering a parallel region.	New
DRB143-acquirerelease-orig-no.c	N3	Use of flush after critical construct to avoid data race.	New
DRB145-atomiccritical-orig-gpu-no.c	N5, N2	Use of reduction construct to synchronize across teams.	New
DRB146-atomicupdate-orig-gpu-no.c	N5, N3, N1	Use of atomic update construct to have synchronization across teams.	New
DRB147-critical1-orig-gpu-no.c	N5, N1	To have synchronization across distribute parallel loop across teams, usage of atomic construct.	New
DRB149-missingdata1-orig-gpu-no.c	N5	Classic i-k-j matrix multiplication on accelerator.	New
DRB152-missinglock2-orig-gpu-no.c	N5, N3	Use of omp_set_lock() to synchronize within a team.	New
DRB154-missinglock3-orig-gpu-no.c	N5, N3	Use omp_set_lock() and reduction construct to avoid atomicity violations across teams on accelerators.	New
DRB155-missingordered-orig-gpu-no.c	N5, N1	Proper use of the ordered clause to avoid data races, ensuring sequential consistency.	New
DRB158-missingtaskbarrier-orig-gpu-no.c	N5, N1	Use of depend clause to ensure correct execution sequence.	New
DRB159-nobarrier-orig-gpu-no.c	N5, N3	Vector addition and multiplication employing the same variable should have a barrier in between.	New
DRB162-nolocksimd-orig-gpu-no.c	N5, N4	Use reduction clause to avoid concurrent access on a variable due to exceeding permitted threads usage per warp limit.	New
DRB163-simdmissinglock1-orig-gpu-no.c	N5, N4	SIMD directive indicates vectorization of a loop on the accelerator; usage of reduction to ensure no data race.	New
DRB166-taskdep4-orig-omp50-no.c	N1	Use of takwait to avoid data race due to access before decrement operation. OpenMP 5.0 compliant.	OpenMP Official Example
DRB167-taskdep4-orig-omp50-no.c	N1	Dependency on two variables but defined only on one. Use of taskwait ensures no data race. OpenMP5.0 compliant.	OpenMP Official Example
DRB170-nestedloops-orig-no.c	N2	Use of private clause to ensure no data race	NAS Benchmark
DRB171-threadprivate3-orig-no.c	N1	example of a threadprivate var and update by TID==0 only	NAS Benchmark
DRB172-critical2-orig-no.c	N2, N3	Use of private and explicit barrier tto ensure no data race.	NAS Benchmark
DRB174-non-sibling-taskdep-no.c	N3	Use of taskwait ensures no data race.	New
DRB176-fib-taskdep-no.c	N3	Fibonacci code with proper task dependency.	Fibonacci code
DRB182-atomic3-no.c	N3	sync with busy wait loop using atomic	Sequential Consistency for Data-race-free Programs
DRB184-bar1-no.c	N3	2-thread flag barrier using busy-wait loops and critical, no race	Sequential Consistency for Data-race-free Programs
DRB186-bar2-no.c	N3	uses locks to create a barrier that is used once	Sequential Consistency for Data-race-free Programs
DRB188-bar3-no.c	N3	implements 2-thread reuseable barrier using 3 locks, no race	Sequential Consistency for Data-race-free Programs
DRB190-critsec2-no.c	N2, N3	single producer single consumer with critical sections	Sequential Consistency for Data-race-free Programs
DRB192-critsec3-no.c	N2, N3	signal with busy wait loop using critical sections	Sequential Consistency for Data-race-free Programs
DRB194-diffusion1-no.c	N1	signal with busy wait loop using critical sections	Sequential Consistency for Data-race-free Programs
DRB196-diffusion2-no.c	N1	similar to diffusion1, but two parts of one malloced object used	Sequential Consistency for Data-race-free Programs
DRB198-prodcons-no.c	N1	multiple producer, multiple consumer with critical sections	Sequential Consistency for Data-race-free Programs
DRB200-sync1-no.c	N3	two threads sync using one lock	Sequential Consistency for Data-race-free Programs