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ircd::simd: De-inline output sink portion of print template.

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This commit is contained in:
Jason Volk 2022-04-30 13:57:29 -07:00
parent 628141c78d
commit 41c6c35b4c
2 changed files with 48 additions and 30 deletions
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42
include/ircd/simd/print.h
View file

@ -13,6 +13,8 @@
namespace ircd::simd
{
struct print;
/// Print the contents of the vector in "register layout" which are
/// little-endian hex integer preceded by '0x' with each lane being
/// space-separated. The fmt argument is reserved to offer some additional
@ -44,25 +46,30 @@ namespace ircd::simd
const T,
const uint &fmt = 0)
noexcept;
}
/// Print the contents of the vector to stdout; developer convenience.
/// One of the other functions in this suite must be selected by this
/// template to generate the desired string.
/// Print the contents of the vector to stdout; developer convenience.
/// One of the other functions in this suite must be selected by this
/// template to generate the desired string.
class ircd::simd::print
{
bool output(const mutable_buffer &, const string_view &, const bool lf);
public:
template<class T,
class F = decltype(print_mem<T>)>
bool
print(const T,
F&& printer = print_mem<T>,
const uint &fmt = 0,
const bool &lf = true);
}
};
/// Developer convenience. Reference another print_*() in the template. All
/// arguments are passed thru.
template<class T,
class F>
inline bool
ircd::simd::print(const T vec,
inline
ircd::simd::print::print(const T vec,
F&& printer,
const uint &fmt,
const bool &lf)
@ -73,25 +80,8 @@ ircd::simd::print(const T vec,
printer(buf, vec, fmt)
};
const auto term
const bool done
{
std::min(str.size(), sizeof(buf) - 1)
output(buf, str, lf)
};
assert(buf[term] == 0x0);
buf[term] = lf? '\n': buf[term];
const auto len
{
size(str) + lf
};
size_t wrote {0}, last {0}; do
{
last = ::fwrite(data(str) + wrote, 1, len - wrote, ::stdout);
wrote += last;
}
while(wrote < len && last > 0); // ensure last!=0 or break for error.
assert(wrote <= len);
return wrote == len;
}

30
ircd/simd.cc
View file

@ -121,9 +121,37 @@ ircd::simd::u512x1_lane_id
///////////////////////////////////////////////////////////////////////////////
//
// simd/debug.h
// simd/print.h
//
bool
ircd::simd::print::output(const mutable_buffer &buf,
const string_view &str,
const bool lf)
{
const auto term
{
std::min(str.size(), size(buf) - 1)
};
assert(buf[term] == 0x0);
buf[term] = lf? '\n': buf[term];
const auto len
{
size(str) + lf
};
size_t wrote {0}, last {0}; do
{
last = ::fwrite(data(str) + wrote, 1, len - wrote, ::stdout);
wrote += last;
}
while(wrote < len && last > 0); // ensure last!=0 or break for error.
assert(wrote <= len);
return wrote == len;
}
//
// Stringify into native integer (register) hex format value for each lane.
// Note that each value is prepended with '0x' by convention to indicate an