diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/H5FDspace.c | 7 | ||||
| -rw-r--r-- | src/H5MFaggr.c | 58 |
2 files changed, 39 insertions, 26 deletions
diff --git a/src/H5FDspace.c b/src/H5FDspace.c index 19f9281..9895938 100644 --- a/src/H5FDspace.c +++ b/src/H5FDspace.c @@ -126,6 +126,7 @@ H5FD_space_init_interface(void) static haddr_t H5FD_extend(H5FD_t *file, H5FD_mem_t type, hbool_t new_block, hsize_t size, haddr_t *frag_addr, hsize_t *frag_size) { + hsize_t orig_size = size; /* Original allocation size */ haddr_t eoa; /* Address of end-of-allocated space */ hsize_t extra; /* Extra space to allocate, to align request */ haddr_t ret_value; /* Return value */ @@ -143,7 +144,7 @@ H5FD_extend(H5FD_t *file, H5FD_mem_t type, hbool_t new_block, hsize_t size, hadd /* Compute extra space to allocate, if this is a new block and should be aligned */ extra = 0; - if(new_block && file->alignment > 1 && size >= file->threshold) { + if(new_block && file->alignment > 1 && orig_size >= file->threshold) { hsize_t mis_align; /* Amount EOA is misaligned */ /* Check for EOA already aligned */ @@ -171,6 +172,10 @@ H5FD_extend(H5FD_t *file, H5FD_mem_t type, hbool_t new_block, hsize_t size, hadd if(file->cls->set_eoa(file, type, eoa) < 0) HGOTO_ERROR(H5E_VFL, H5E_NOSPACE, HADDR_UNDEF, "file allocation request failed") + /* Post-condition sanity check */ + if(new_block && file->alignment && orig_size >= file->threshold) + HDassert(!(ret_value % file->alignment)); + done: FUNC_LEAVE_NOAPI(ret_value) } /* end H5FD_extend() */ diff --git a/src/H5MFaggr.c b/src/H5MFaggr.c index 1435d18..aa982da 100644 --- a/src/H5MFaggr.c +++ b/src/H5MFaggr.c @@ -152,11 +152,9 @@ haddr_t H5MF_aggr_alloc(H5F_t *f, hid_t dxpl_id, H5F_blk_aggr_t *aggr, H5F_blk_aggr_t *other_aggr, H5FD_mem_t type, hsize_t size) { - hsize_t alignment = 0, mis_align = 0; - haddr_t frag_addr = 0, eoa_frag_addr = 0; - hsize_t frag_size = 0, eoa_frag_size = 0; - haddr_t eoa = 0; /* Initial EOA for the file */ - H5FD_mem_t alloc_type, other_alloc_type; + haddr_t eoa_frag_addr = HADDR_UNDEF; /* Address of fragment at EOA */ + hsize_t eoa_frag_size = 0; /* Size of fragment at EOA */ + haddr_t eoa = HADDR_UNDEF; /* Initial EOA for the file */ haddr_t ret_value; /* Return value */ FUNC_ENTER_NOAPI(H5MF_aggr_alloc, HADDR_UNDEF) @@ -174,6 +172,7 @@ HDfprintf(stderr, "%s: type = %u, size = %Hu\n", FUNC, (unsigned)type, size); HDassert(type >= H5FD_MEM_DEFAULT && type < H5FD_MEM_NTYPES); HDassert(size > 0); + /* Get the EOA for the file */ if(HADDR_UNDEF == (eoa = H5F_get_eoa(f, type))) HGOTO_ERROR(H5E_RESOURCE, H5E_CANTGET, HADDR_UNDEF, "Unable to get eoa") @@ -183,29 +182,37 @@ HDfprintf(stderr, "%s: type = %u, size = %Hu\n", FUNC, (unsigned)type, size); * through H5FD_alloc() */ if(f->shared->feature_flags & aggr->feature_flag) { + haddr_t aggr_frag_addr = HADDR_UNDEF; /* Address of aggregrator fragment */ + hsize_t aggr_frag_size = 0; /* Size of aggregator fragment */ + hsize_t alignment; /* Alignment of this section */ + hsize_t aggr_mis_align = 0; /* Mis-alignment of aggregator */ + H5FD_mem_t alloc_type, other_alloc_type;/* Current aggregator & 'other' aggregator types */ + #ifdef H5MF_AGGR_DEBUG HDfprintf(stderr, "%s: aggr = {%a, %Hu, %Hu}\n", FUNC, aggr->addr, aggr->tot_size, aggr->size); #endif /* H5MF_AGGR_DEBUG */ + /* Turn off alignment if allocation < threshold */ alignment = f->shared->alignment; if(!((alignment > 1) && (size >= f->shared->threshold))) alignment = 0; /* no alignment */ - if(alignment && aggr->addr > 0 && aggr->size > 0 && (mis_align = aggr->addr % alignment)) { - frag_addr = aggr->addr; - frag_size = alignment - mis_align; + /* Generate fragment if aggregator is mis-aligned */ + if(alignment && aggr->addr > 0 && aggr->size > 0 && (aggr_mis_align = (aggr->addr + H5FD_get_base_addr(f->shared->lf)) % alignment)) { + aggr_frag_addr = aggr->addr; + aggr_frag_size = alignment - aggr_mis_align; } /* end if */ alloc_type = aggr->feature_flag == H5FD_FEAT_AGGREGATE_METADATA ? H5FD_MEM_DEFAULT : H5FD_MEM_DRAW; other_alloc_type = other_aggr->feature_flag == H5FD_FEAT_AGGREGATE_METADATA ? H5FD_MEM_DEFAULT : H5FD_MEM_DRAW; /* Check if the space requested is larger than the space left in the block */ - if((size + frag_size) > aggr->size) { + if((size + aggr_frag_size) > aggr->size) { htri_t extended = FALSE; /* Whether the file was extended */ /* Check if the block asked for is too large for 'normal' aggregator block */ if(size >= aggr->alloc_size) { - hsize_t ext_size = size + frag_size; + hsize_t ext_size = size + aggr_frag_size; /* Check for overlapping into file's temporary allocation space */ if(H5F_addr_gt((aggr->addr + aggr->size + ext_size), f->shared->tmp_addr)) @@ -215,7 +222,7 @@ HDfprintf(stderr, "%s: aggr = {%a, %Hu, %Hu}\n", FUNC, aggr->addr, aggr->tot_siz HGOTO_ERROR(H5E_RESOURCE, H5E_CANTALLOC, HADDR_UNDEF, "can't extending space") else if (extended) { /* aggr->size is unchanged */ - ret_value = aggr->addr + frag_size; + ret_value = aggr->addr + aggr_frag_size; aggr->addr += ext_size; aggr->tot_size += ext_size; } else { @@ -247,8 +254,8 @@ HDfprintf(stderr, "%s: aggr = {%a, %Hu, %Hu}\n", FUNC, aggr->addr, aggr->tot_siz HDfprintf(stderr, "%s: Allocating block\n", FUNC); #endif /* H5MF_AGGR_DEBUG */ - if(frag_size > (ext_size - size)) - ext_size += (frag_size - (ext_size - size)); + if(aggr_frag_size > (ext_size - size)) + ext_size += (aggr_frag_size - (ext_size - size)); /* Check for overlapping into file's temporary allocation space */ if(H5F_addr_gt((aggr->addr + aggr->size + ext_size), f->shared->tmp_addr)) @@ -257,8 +264,8 @@ HDfprintf(stderr, "%s: Allocating block\n", FUNC); if((aggr->addr > 0) && (extended = H5FD_try_extend(f->shared->lf, alloc_type, f, aggr->addr + aggr->size, ext_size)) < 0) HGOTO_ERROR(H5E_RESOURCE, H5E_CANTALLOC, HADDR_UNDEF, "can't extending space") else if (extended) { - aggr->addr += frag_size; - aggr->size += (ext_size - frag_size); + aggr->addr += aggr_frag_size; + aggr->size += (ext_size - aggr_frag_size); aggr->tot_size += ext_size; } else { haddr_t new_space; /* Address of new space allocated */ @@ -304,19 +311,19 @@ HDfprintf(stderr, "%s: Allocating block\n", FUNC); HGOTO_ERROR(H5E_RESOURCE, H5E_CANTFREE, HADDR_UNDEF, "can't free eoa fragment") /* Freeing any possible fragment due to alignment in the block after extension */ - if(extended && frag_size) - if(H5MF_xfree(f, type, dxpl_id, frag_addr, frag_size) < 0) + if(extended && aggr_frag_size) + if(H5MF_xfree(f, type, dxpl_id, aggr_frag_addr, aggr_frag_size) < 0) HGOTO_ERROR(H5E_RESOURCE, H5E_CANTFREE, HADDR_UNDEF, "can't free aggregation fragment") } /* end if */ else { /* Allocate space out of the block */ - ret_value = aggr->addr + frag_size; - aggr->size -= (size + frag_size); - aggr->addr += (size + frag_size); + ret_value = aggr->addr + aggr_frag_size; + aggr->size -= (size + aggr_frag_size); + aggr->addr += (size + aggr_frag_size); /* free any possible fragment */ - if (frag_size) - if(H5MF_xfree(f, type, dxpl_id, frag_addr, frag_size) < 0) + if(aggr_frag_size) + if(H5MF_xfree(f, type, dxpl_id, aggr_frag_addr, aggr_frag_size) < 0) HGOTO_ERROR(H5E_RESOURCE, H5E_CANTFREE, HADDR_UNDEF, "can't free aggregation fragment") } /* end else */ } /* end if */ @@ -339,13 +346,14 @@ HDfprintf(stderr, "%s: Allocating block\n", FUNC); /* Sanity check for overlapping into file's temporary allocation space */ HDassert(H5F_addr_le((ret_value + size), f->shared->tmp_addr)); + /* Post-condition sanity check */ + if(f->shared->alignment && size >= f->shared->threshold) + HDassert(!((ret_value + H5FD_get_base_addr(f->shared->lf)) % f->shared->alignment)); + done: #ifdef H5MF_AGGR_DEBUG HDfprintf(stderr, "%s: ret_value = %a\n", FUNC, ret_value); #endif /* H5MF_AGGR_DEBUG */ - - if(alignment) - HDassert(!(ret_value % alignment)); FUNC_LEAVE_NOAPI(ret_value) } /* end H5MF_aggr_alloc() */ |