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authorIndrajith K L2022-12-03 17:00:20 +0530
committerIndrajith K L2022-12-03 17:00:20 +0530
commitf5c4671bfbad96bf346bd7e9a21fc4317b4959df (patch)
tree2764fc62da58f2ba8da7ed341643fc359873142f /v_windows/v/old/vlib/builtin/map_d_gcboehm_opt.v
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Adds most of the toolsHEADmaster
Diffstat (limited to 'v_windows/v/old/vlib/builtin/map_d_gcboehm_opt.v')
-rw-r--r--v_windows/v/old/vlib/builtin/map_d_gcboehm_opt.v146
1 files changed, 146 insertions, 0 deletions
diff --git a/v_windows/v/old/vlib/builtin/map_d_gcboehm_opt.v b/v_windows/v/old/vlib/builtin/map_d_gcboehm_opt.v
new file mode 100644
index 0000000..93049b7
--- /dev/null
+++ b/v_windows/v/old/vlib/builtin/map_d_gcboehm_opt.v
@@ -0,0 +1,146 @@
+// "noscan" versions of `map` initialization routines
+//
+// They are used when the compiler can proof that either the keys or the values or both
+// do not contain any pointers. Such objects can be placed in a memory area that is not
+// scanned by the garbage collector
+
+module builtin
+
+[inline]
+fn new_dense_array_noscan(key_bytes int, key_noscan bool, value_bytes int, value_noscan bool) DenseArray {
+ cap := 8
+ keys := if key_noscan {
+ unsafe { malloc_noscan(cap * key_bytes) }
+ } else {
+ unsafe { malloc(cap * key_bytes) }
+ }
+ values := if value_noscan {
+ unsafe { malloc_noscan(cap * value_bytes) }
+ } else {
+ unsafe { malloc(cap * value_bytes) }
+ }
+ return DenseArray{
+ key_bytes: key_bytes
+ value_bytes: value_bytes
+ cap: cap
+ len: 0
+ deletes: 0
+ all_deleted: 0
+ keys: keys
+ values: values
+ }
+}
+
+fn new_map_noscan_key(key_bytes int, value_bytes int, hash_fn MapHashFn, key_eq_fn MapEqFn, clone_fn MapCloneFn, free_fn MapFreeFn) map {
+ metasize := int(sizeof(u32) * (init_capicity + extra_metas_inc))
+ // for now assume anything bigger than a pointer is a string
+ has_string_keys := key_bytes > sizeof(voidptr)
+ return map{
+ key_bytes: key_bytes
+ value_bytes: value_bytes
+ even_index: init_even_index
+ cached_hashbits: max_cached_hashbits
+ shift: init_log_capicity
+ key_values: new_dense_array_noscan(key_bytes, true, value_bytes, false)
+ metas: unsafe { &u32(vcalloc_noscan(metasize)) }
+ extra_metas: extra_metas_inc
+ len: 0
+ has_string_keys: has_string_keys
+ hash_fn: hash_fn
+ key_eq_fn: key_eq_fn
+ clone_fn: clone_fn
+ free_fn: free_fn
+ }
+}
+
+fn new_map_noscan_value(key_bytes int, value_bytes int, hash_fn MapHashFn, key_eq_fn MapEqFn, clone_fn MapCloneFn, free_fn MapFreeFn) map {
+ metasize := int(sizeof(u32) * (init_capicity + extra_metas_inc))
+ // for now assume anything bigger than a pointer is a string
+ has_string_keys := key_bytes > sizeof(voidptr)
+ return map{
+ key_bytes: key_bytes
+ value_bytes: value_bytes
+ even_index: init_even_index
+ cached_hashbits: max_cached_hashbits
+ shift: init_log_capicity
+ key_values: new_dense_array_noscan(key_bytes, false, value_bytes, true)
+ metas: unsafe { &u32(vcalloc_noscan(metasize)) }
+ extra_metas: extra_metas_inc
+ len: 0
+ has_string_keys: has_string_keys
+ hash_fn: hash_fn
+ key_eq_fn: key_eq_fn
+ clone_fn: clone_fn
+ free_fn: free_fn
+ }
+}
+
+fn new_map_noscan_key_value(key_bytes int, value_bytes int, hash_fn MapHashFn, key_eq_fn MapEqFn, clone_fn MapCloneFn, free_fn MapFreeFn) map {
+ metasize := int(sizeof(u32) * (init_capicity + extra_metas_inc))
+ // for now assume anything bigger than a pointer is a string
+ has_string_keys := key_bytes > sizeof(voidptr)
+ return map{
+ key_bytes: key_bytes
+ value_bytes: value_bytes
+ even_index: init_even_index
+ cached_hashbits: max_cached_hashbits
+ shift: init_log_capicity
+ key_values: new_dense_array_noscan(key_bytes, true, value_bytes, true)
+ metas: unsafe { &u32(vcalloc_noscan(metasize)) }
+ extra_metas: extra_metas_inc
+ len: 0
+ has_string_keys: has_string_keys
+ hash_fn: hash_fn
+ key_eq_fn: key_eq_fn
+ clone_fn: clone_fn
+ free_fn: free_fn
+ }
+}
+
+fn new_map_init_noscan_key(hash_fn MapHashFn, key_eq_fn MapEqFn, clone_fn MapCloneFn, free_fn MapFreeFn, n int, key_bytes int, value_bytes int, keys voidptr, values voidptr) map {
+ mut out := new_map_noscan_key(key_bytes, value_bytes, hash_fn, key_eq_fn, clone_fn,
+ free_fn)
+ // TODO pre-allocate n slots
+ mut pkey := &byte(keys)
+ mut pval := &byte(values)
+ for _ in 0 .. n {
+ unsafe {
+ out.set(pkey, pval)
+ pkey = pkey + key_bytes
+ pval = pval + value_bytes
+ }
+ }
+ return out
+}
+
+fn new_map_init_noscan_value(hash_fn MapHashFn, key_eq_fn MapEqFn, clone_fn MapCloneFn, free_fn MapFreeFn, n int, key_bytes int, value_bytes int, keys voidptr, values voidptr) map {
+ mut out := new_map_noscan_value(key_bytes, value_bytes, hash_fn, key_eq_fn, clone_fn,
+ free_fn)
+ // TODO pre-allocate n slots
+ mut pkey := &byte(keys)
+ mut pval := &byte(values)
+ for _ in 0 .. n {
+ unsafe {
+ out.set(pkey, pval)
+ pkey = pkey + key_bytes
+ pval = pval + value_bytes
+ }
+ }
+ return out
+}
+
+fn new_map_init_noscan_key_value(hash_fn MapHashFn, key_eq_fn MapEqFn, clone_fn MapCloneFn, free_fn MapFreeFn, n int, key_bytes int, value_bytes int, keys voidptr, values voidptr) map {
+ mut out := new_map_noscan_key_value(key_bytes, value_bytes, hash_fn, key_eq_fn, clone_fn,
+ free_fn)
+ // TODO pre-allocate n slots
+ mut pkey := &byte(keys)
+ mut pval := &byte(values)
+ for _ in 0 .. n {
+ unsafe {
+ out.set(pkey, pval)
+ pkey = pkey + key_bytes
+ pval = pval + value_bytes
+ }
+ }
+ return out
+}