diff options
Diffstat (limited to 'DOCS/man/options.rst')
| -rw-r--r-- | DOCS/man/options.rst | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/DOCS/man/options.rst b/DOCS/man/options.rst index b85b67c991..95bec1c3d3 100644 --- a/DOCS/man/options.rst +++ b/DOCS/man/options.rst @@ -4283,6 +4283,17 @@ Software Scaler ``--zimg-dither=<no|ordered|random|error-diffusion>`` Dithering (default: random). +``--zimg-threads=<auto|integer>`` + Set the maximum number of threads to use for scaling (default: auto). + ``auto`` uses the number of logical cores on the current machine. Note that + the scaler may use less threads (or even just 1 thread) depending on stuff. + Passing a value of 1 disables threading and always scales the image in a + single operation. Higher thread counts waste resources, but make it + typically faster. + + Note that some zimg git versions had bugs that will corrupt the output if + threads are used. + ``--zimg-fast=<yes|no>`` Allow optimizations that help with performance, but reduce quality (default: yes). Currently, this may simplify gamma conversion operations. |