Run final ghostscript in multithreaded mode

This step is serialized so all cores are not busy at this stage.
2015-07-30 23:20:04 -07:00
parent 9918c4020e
commit 454ee029c8
1 changed files with 2 additions and 1 deletions
@@ -31,13 +31,14 @@ def rasterize_pdf(input_file, output_file, xres, yres, raster_device, log):
            log.error('Ghostscript rendering failed')


-def generate_pdfa(pdf_pages, output_file):
+def generate_pdfa(pdf_pages, output_file, threads=1):
    with NamedTemporaryFile(delete=True) as gs_pdf:
        args_gs = [
            "gs",
            "-dQUIET",
            "-dBATCH",
            "-dNOPAUSE",
+            '-dNumRenderingThreads=' + str(threads),
            "-sDEVICE=pdfwrite",
            "-sColorConversionStrategy=/RGB",
            "-sProcessColorModel=DeviceRGB",