Portable Hardware Locality (hwloc) Documentation: v2.1.0

hwloc_bitmap_compare_first

int hwloc_bitmap_compare_first(hwloc_const_bitmap_t bitmap1, hwloc_const_bitmap_t bitmap2)

Compare bitmaps bitmap1 and bitmap2 using their lowest index.

hwloc_bitmap_taskset_sscanf

int hwloc_bitmap_taskset_sscanf(hwloc_bitmap_t bitmap, const char *restrict string)

Parse a taskset-specific bitmap string and stores it in bitmap bitmap.

hwloc_bitmap_alloc_full

hwloc_bitmap_t hwloc_bitmap_alloc_full(void)

Allocate a new full bitmap.

hwloc_bitmap_singlify

int hwloc_bitmap_singlify(hwloc_bitmap_t bitmap)

Keep a single index among those set in bitmap bitmap.

hwloc_bitmap_isequal

int hwloc_bitmap_isequal(hwloc_const_bitmap_t bitmap1, hwloc_const_bitmap_t bitmap2)

Test whether bitmap bitmap1 is equal to bitmap bitmap2.

hwloc_bitmap_andnot

int hwloc_bitmap_andnot(hwloc_bitmap_t res, hwloc_const_bitmap_t bitmap1, hwloc_const_bitmap_t bitmap2)

And bitmap bitmap1 and the negation of bitmap2 and store the result in bitmap res.

hwloc_bitmap_isincluded

int hwloc_bitmap_isincluded(hwloc_const_bitmap_t sub_bitmap, hwloc_const_bitmap_t super_bitmap)

Test whether bitmap sub_bitmap is part of bitmap super_bitmap.

hwloc_bitmap_first_unset

int hwloc_bitmap_first_unset(hwloc_const_bitmap_t bitmap)

Compute the first unset index (least significant bit) in bitmap bitmap.

hwloc_bitmap_not

int hwloc_bitmap_not(hwloc_bitmap_t res, hwloc_const_bitmap_t bitmap)

Negate bitmap bitmap and store the result in bitmap res.

hwloc_bitmap_clr_range

int hwloc_bitmap_clr_range(hwloc_bitmap_t bitmap, unsigned begin, int end)

Remove indexes from begin to end in bitmap bitmap.

hwloc_bitmap_dup

hwloc_bitmap_t hwloc_bitmap_dup(hwloc_const_bitmap_t bitmap)

Duplicate bitmap bitmap by allocating a new bitmap and copying bitmap contents.

hwloc_bitmap_weight

int hwloc_bitmap_weight(hwloc_const_bitmap_t bitmap)

Compute the "weight" of bitmap bitmap (i.e., number of indexes that are in the bitmap).

hwloc_bitmap_set_ith_ulong

int hwloc_bitmap_set_ith_ulong(hwloc_bitmap_t bitmap, unsigned i, unsigned long mask)

Replace i -th subset of bitmap bitmap with unsigned long mask.

hwloc_bitmap_sscanf

int hwloc_bitmap_sscanf(hwloc_bitmap_t bitmap, const char *restrict string)

Parse a bitmap string and stores it in bitmap bitmap.

hwloc_bitmap_from_ulong

int hwloc_bitmap_from_ulong(hwloc_bitmap_t bitmap, unsigned long mask)

Setup bitmap bitmap from unsigned long mask.

hwloc_bitmap_or

int hwloc_bitmap_or(hwloc_bitmap_t res, hwloc_const_bitmap_t bitmap1, hwloc_const_bitmap_t bitmap2)

Or bitmaps bitmap1 and bitmap2 and store the result in bitmap res.

hwloc_bitmap_and

int hwloc_bitmap_and(hwloc_bitmap_t res, hwloc_const_bitmap_t bitmap1, hwloc_const_bitmap_t bitmap2)

And bitmaps bitmap1 and bitmap2 and store the result in bitmap res.

hwloc_bitmap_snprintf

int hwloc_bitmap_snprintf(char *restrict buf, size_t buflen, hwloc_const_bitmap_t bitmap)

Stringify a bitmap.

hwloc_bitmap_next_unset

int hwloc_bitmap_next_unset(hwloc_const_bitmap_t bitmap, int prev)

Compute the next unset index in bitmap bitmap which is after index prev.

hwloc_bitmap_nr_ulongs

int hwloc_bitmap_nr_ulongs(hwloc_const_bitmap_t bitmap)

Return the number of unsigned longs required for storing bitmap bitmap entirely.

hwloc_bitmap_xor

int hwloc_bitmap_xor(hwloc_bitmap_t res, hwloc_const_bitmap_t bitmap1, hwloc_const_bitmap_t bitmap2)

Xor bitmaps bitmap1 and bitmap2 and store the result in bitmap res.

hwloc_bitmap_alloc

hwloc_bitmap_t hwloc_bitmap_alloc(void)

Allocate a new empty bitmap.

hwloc_bitmap_next

int hwloc_bitmap_next(hwloc_const_bitmap_t bitmap, int prev)

Compute the next index in bitmap bitmap which is after index prev.

hwloc_bitmap_set

int hwloc_bitmap_set(hwloc_bitmap_t bitmap, unsigned id)

Add index id in bitmap bitmap.

hwloc_bitmap_fill

void hwloc_bitmap_fill(hwloc_bitmap_t bitmap)

Fill bitmap bitmap with all possible indexes (even if those objects don't exist or are otherwise unav...

hwloc_const_bitmap_t

const struct hwloc_bitmap_s * hwloc_const_bitmap_t

a non-modifiable hwloc_bitmap_t

Definition: bitmap.h:70

hwloc_bitmap_compare

int hwloc_bitmap_compare(hwloc_const_bitmap_t bitmap1, hwloc_const_bitmap_t bitmap2)

Compare bitmaps bitmap1 and bitmap2 in lexicographic order.

hwloc_bitmap_allbut

int hwloc_bitmap_allbut(hwloc_bitmap_t bitmap, unsigned id)

Fill the bitmap and clear the index id.

hwloc_bitmap_only

int hwloc_bitmap_only(hwloc_bitmap_t bitmap, unsigned id)

Empty the bitmap bitmap and add bit id.

hwloc_bitmap_to_ulongs

int hwloc_bitmap_to_ulongs(hwloc_const_bitmap_t bitmap, unsigned nr, unsigned long *masks)

Convert the first nr subsets of bitmap bitmap into the array of nr unsigned long masks.

hwloc_bitmap_taskset_snprintf

int hwloc_bitmap_taskset_snprintf(char *restrict buf, size_t buflen, hwloc_const_bitmap_t bitmap)

Stringify a bitmap in the taskset-specific format.

hwloc_bitmap_zero

void hwloc_bitmap_zero(hwloc_bitmap_t bitmap)

Empty the bitmap bitmap.

hwloc_bitmap_to_ith_ulong

unsigned long hwloc_bitmap_to_ith_ulong(hwloc_const_bitmap_t bitmap, unsigned i)

Convert the i -th subset of bitmap bitmap into unsigned long mask.

hwloc_bitmap_clr

int hwloc_bitmap_clr(hwloc_bitmap_t bitmap, unsigned id)

Remove index id from bitmap bitmap.

hwloc_bitmap_last_unset

int hwloc_bitmap_last_unset(hwloc_const_bitmap_t bitmap)

Compute the last unset index (most significant bit) in bitmap bitmap.

hwloc_bitmap_list_sscanf

int hwloc_bitmap_list_sscanf(hwloc_bitmap_t bitmap, const char *restrict string)

Parse a list string and stores it in bitmap bitmap.

hwloc_bitmap_to_ulong

unsigned long hwloc_bitmap_to_ulong(hwloc_const_bitmap_t bitmap)

Convert the beginning part of bitmap bitmap into unsigned long mask.

hwloc_bitmap_asprintf

int hwloc_bitmap_asprintf(char **strp, hwloc_const_bitmap_t bitmap)

Stringify a bitmap into a newly allocated string.

hwloc_bitmap_intersects

int hwloc_bitmap_intersects(hwloc_const_bitmap_t bitmap1, hwloc_const_bitmap_t bitmap2)

Test whether bitmaps bitmap1 and bitmap2 intersects.

hwloc_bitmap_first

int hwloc_bitmap_first(hwloc_const_bitmap_t bitmap)

Compute the first index (least significant bit) in bitmap bitmap.

hwloc_bitmap_list_asprintf

int hwloc_bitmap_list_asprintf(char **strp, hwloc_const_bitmap_t bitmap)

Stringify a bitmap into a newly allocated list string.

hwloc_bitmap_list_snprintf

int hwloc_bitmap_list_snprintf(char *restrict buf, size_t buflen, hwloc_const_bitmap_t bitmap)

Stringify a bitmap in the list format.

hwloc_bitmap_copy

int hwloc_bitmap_copy(hwloc_bitmap_t dst, hwloc_const_bitmap_t src)

Copy the contents of bitmap src into the already allocated bitmap dst.

hwloc_bitmap_from_ulongs

int hwloc_bitmap_from_ulongs(hwloc_bitmap_t bitmap, unsigned nr, const unsigned long *masks)

Setup bitmap bitmap from unsigned longs masks used as first nr subsets.

hwloc_bitmap_taskset_asprintf

int hwloc_bitmap_taskset_asprintf(char **strp, hwloc_const_bitmap_t bitmap)

Stringify a bitmap into a newly allocated taskset-specific string.

hwloc_bitmap_last

int hwloc_bitmap_last(hwloc_const_bitmap_t bitmap)

Compute the last index (most significant bit) in bitmap bitmap.

hwloc_bitmap_from_ith_ulong

int hwloc_bitmap_from_ith_ulong(hwloc_bitmap_t bitmap, unsigned i, unsigned long mask)

Setup bitmap bitmap from unsigned long mask used as i -th subset.

hwloc_bitmap_free

void hwloc_bitmap_free(hwloc_bitmap_t bitmap)

Free bitmap bitmap.

hwloc_bitmap_isset

int hwloc_bitmap_isset(hwloc_const_bitmap_t bitmap, unsigned id)

Test whether index id is part of bitmap bitmap.

hwloc_bitmap_set_range

int hwloc_bitmap_set_range(hwloc_bitmap_t bitmap, unsigned begin, int end)

Add indexes from begin to end in bitmap bitmap.

hwloc_bitmap_isfull

int hwloc_bitmap_isfull(hwloc_const_bitmap_t bitmap)

Test whether bitmap bitmap is completely full.

hwloc_bitmap_t

struct hwloc_bitmap_s * hwloc_bitmap_t

Set of bits represented as an opaque pointer to an internal bitmap.

Definition: bitmap.h:68

hwloc_bitmap_iszero

int hwloc_bitmap_iszero(hwloc_const_bitmap_t bitmap)

Test whether bitmap bitmap is empty.